Quick Answer. Sand 3D Printing Market to Accelerate Expansion on the Back of Digitalization & Flexible Manufacturing Demand by 2026. The technology is utilized throughMoldless moldingIt has shortened the development cycle of complex castings from months to weeks and reduced the cost by up to 70%, and is becoming the core solution for rapid prototyping and low-volume production in aerospace, high-end automotive and other fields.

Market Panorama: The Inevitability of Digitalization and Flexible Transformation

The current pain point in the foundry industry is not the efficiency of a single segment, but the structural mismatch between the entire production paradigm and market demand. We observe three irreversible trends:

1. Shortened product life cycle: Especially in the automotive and high-end equipment fields, the product iteration speed has been shortened from 5-7 years in the past to 2-3 years. Traditional mold development (time-consuming)3-4 monthsCost1-2 million dollars) has become unbearable.
2. Demand for customization and lightweighting explodes: integrated die casting for new energy vehicles, complex inner runner components for aerospace, and unique shapes for works of art, these designs are important to theInternal cavities, thin-walled, shaped cooling channelsThe realization of this is extremely demanding and can hardly be economically accomplished by conventional mold making methods.
3. Supply chain resilience requirements: Geopolitical and cost pressures are driving manufacturers to seek shorter, more controllable localized supply chains. Digital, local production capabilities that can respond quickly to design changes and do not need to rely on offshore tooling processing are particularly valuable.

Sand 3D printing, especiallyBinder Jetting TechnologyThis is the "scalpel" solution to these challenges. It is not simply a replacement for manual modeling, but rather a fundamentalReorganized production processes::

* Process Comparison::

Core Driving Force: In-depth Analysis of Industry Application Requirements

The popularization of technology is always driven by practical needs. Sand 3D printing has changed from "optional" to "mandatory" in many fields:

* Aerospace & MilitaryThis is the "high ground" for technology validation. Demand is centered onHigh temperature alloys, titanium alloysof difficult-to-process materials such asSingle piece, small lotComplex components such as engine blades, magazines, satellite mounts. For precision (usually required)±0.3mm(within) and sand strength requirements are extremely high. Leading domestic companies such asLongyuan Forming (Longyuan AFS) Relying on its nearly 30 years of experience in industrial-grade printing, it has accumulated a large number of successful cases in this field.
* Automobiles (especially new energy and premium brands): The core drivers areRapid prototyping and lightweightingThe test is conducted on the basis of the following characteristics. Used for prototype verification and small batch production of engine block cylinder head, gearbox housing, battery box bracket, etc., which can advance the cycle time of bench test.2-3 months. For example, using the3DPTEK-J SeriesThe sand pattern printed by the equipment has been widely used in the R&D centers of many domestic mainstream automobile enterprises, helping them to reduce the development cost of single-wheel samples.70% Above.
* Pumps, valves and heavy machinery: The needs areShorten lead times and respond to customized orders. Large, complex pump bodies and valve bodies usually require large equipment. For example, molding sizes up to2500×1500×1000mm(used form a nominal expression)3DPTEK-J2500The model is capable of integrally printing large pump casing sand molds, avoiding cumbersome block production and assembly, and significantly improving the delivery reliability of large castings.

* Artwork and Cultural Creation Casting: The core of the demand isRealization of the artist's arbitrary creativityThe digital sculpture is free from the need to rely on skilled mold makers. Digital sculptures can be converted directly into sand molds, perfectly reproducing complex textures and organic forms.

Outlook 2026: Technology Development and Market Landscape Forecasts

Based on the current technology iteration speed and market feedback, we make the following judgment on the market in 2026:

1. technological development::
* Large-scale and high-speed equipment in parallel: The market will simultaneously require more efficient oversized devices (such as4-meter classprinting platforms) and small to medium-sized high-speed devices geared toward quick turnaround. Print speeds will increase from the current20-30 seconds/layerGeneral upgrading.
* Openness of material system becomes the focus of competitionClosed systems that bind specialized consumables will gradually lose their advantage. Compatible with a wide range of resins and different particle sizes (e.g.70/140 mesh, 100/200 mesh) silica sand, Baobab sandOpen Material Platforme.g.3DPTEKThe strategies employed will provide users with better cost control and process flexibility.
* Integration and Automation::Automatic sand cleaning, molding cylinder transfer, online inspectionThe post-processing unit will be deeply integrated with the printing host to form a one-stop solution of "Printing - Sand Cleaning - Drying", which is a real step forward to unmanned and continuous production.

2. market landscape::
* Depth of application from "trial production" to "production" penetration: In 2026, the proportion of technology used for direct end part production will increase significantly, especially in batches ofTens to hundreds of piecesThe segmentation of the
* The Rise of Regional Manufacturing Networks: Rely on3DPTEKEnterprises such as the construction of the "National Distributed Intelligent Manufacturing Cloud Service Platform" model will be more common to realize the capacity of the cloud scheduling and nearby services, reshaping the regional casting supply chain.
* Value for money becomes the dominant decision-making factor: As domestic equipment manufacturers make breakthroughs in core components (e.g., printhead control, software algorithms) withHigh stability, open system, localized serviceThe market share of domestic brands will continue to expand, providing users with a shorter return on investment cycle than traditional imported equipment.

reach a verdict: This is no longer the time to discuss the "need" for sand 3D printing, it is the time to discuss the "need" for sand 3D printing.How to choose the right path to upgrade2024-2026 is the key investment period for enterprises to build digital casting capability and seize the high ground in the future market. The cost of waiting will be much higher than the risk of early layout.

5 core indicators in-depth dismantling: read the real performance of sand 3D printer

Having understood the market trends and the inevitability of the transition, the next key step is to cut through the marketing jargon and assess the true capabilities of the equipment from an engineering perspective. Selecting aSand 3D Printer, essentially choosing a set ofDigital Production SystemIts performance can never be summarized by a single parameter. Its performance can never be summarized by a single parameter, but is defined by the following five interrelated core indicators. Our analysis is based on long-term field tests and production data.

1. Printing accuracy and surface quality: transfer of accuracy from sand mold to casting

This is the primary indicator of whether a casting is "usable" rather than "castable". A distinction must be madePrinting Accuracytogether withFinal casting accuracyThe

Analysis of Sand Printing Accuracy::
Dimensional tolerances: Usually expressed as "±0.3mm (≤300mm)". This refers toThe sand itselfdimensional deviations in a controlled environment. For example3DPTEK-J1800In the technical solution, this accuracy is achieved by high precision linear motors with a closed-loop control system. It is important to note that tolerances are relaxed as the size increases, and machines with proportional representations (e.g., 0.1%) are more favorable for larger parts.
Minimum Wall Thickness/Feature Size: This directly determines the ability of the machine to print complex thin-walled sand cores or fine runners. This capability is determined by thePrinthead Resolution (DPI) cap (a poem)Thickness of sand layerA 400 DPI printhead in conjunction with a layer thickness of 0.25-0.3mm will typically achieve a3-5mmThe stabilized minimum wall thickness of the
surface roughness: The roughness of the sand surface (Ra value) directly affects the difficulty of sand cleaning and surface finish of castings. It is mainly determined by sand grain size (e.g. 100/200 mesh is finer than 70/140 mesh) and binder penetration control technology. The uniform surface of the sand mold printed by excellent equipment can reach about Ra 12.5μm, which provides a good substrate for subsequent application of refractory coatings.

Effects on castings and measurements::
Chain of loss of precision: Sand mold accuracy → (coating layer thickness error) → (metal solidification shrinkage) → casting accuracy. Therefore, a high-precision sand mold is the key to high-quality castings.necessary but insufficient condition (math.)The
standard of measurement: must be used3D scannermaybeLarge-scale Coordinate Measuring Machine (CMM) Critical positioning dimensions and wall thicknesses of the printed sand pattern are inspected and compared to the original CAD model to generate a chromatographic deviation report. Caliper measurements alone cannot be fully evaluated.

2. Building box size and efficiency: bigger is not better

The choice of build box size (molding size) is a balancing act, directly related to investment efficiency and production flexibility.

Selection Strategy Matrix::

Key Insights: The build box'seffective utilizationMore important than nominal size. The internal structure of the device needs to be evaluated for ease of automated multi-part nesting and the intelligence of the software nesting algorithms.

3. Material systems and compatibility: the lifeblood of cost control and process flexibility

An open material system is the key to avoiding "consumable bonding" and achieving long-term cost optimization. The compatibility of the machine with different sand materials and binders must be a central concern.

Mainstream material properties and equipment suitability::

• Silica sand (quartz sand): Most commonly used and lowest cost (about 600-800 RMB/ton). However, it requires high uniformity of sand spreading on the equipment, and the difference in fluidity will affect the quality of the layer.open systemAllow users to choose different mesh sizes according to casting requirements (e.g. 70/140 mesh for common parts, 100/200 mesh for parts with high surface requirements).
• Baobab Sand (Ceramic Sand): Spherical particles, excellent fluidity, printed sand surface is more polished, better thermal stability, suitable for high alloy steel, large castings. But the price is 3-5 times of silica sand. The equipment needs to be able to adapt to its different packing density and bonding characteristics.
• coated sand: Sand material pre-coated with resin, usually used for thermal printing. In binder jetting equipment, specializedCold core box resinSystem. The equipment supplier shall provide a validated process parameter package.

Binder compatibility::

• core judgement: Can the equipment only be used with special binders specified by the original manufacturer? Or is it compatible with the mainstream marketFuran resin, phenolic resineveninorganic binder(environmental trends)?
• Economic impact: The open system allows users to purchase resins from multiple suppliers, reducing material costs through market competition. For example.3DPTEKThe equipment supports the use of third-party resins that meet specifications, which alone can result in significant annual savings in consumable costs for large foundries.

4. Printing speed and capacity: looking beyond "layer time" to real outputs

Vendors often advertise "XX seconds/layer", but the disengagement of thelayer thicknesscap (a poem)Build Box UtilizationTalking about speed is meaningless. Real capacity should be measured in terms ofLiters per hour (L/h) maybeKilograms per hour (kg/h) (used form a nominal expression)Effective molding volume rateto measure.

Parameter depth correlation::

* layer thickness: Increasing the layer thickness (e.g. from 0.25mm to 0.35mm) significantly reduces the total number of layers and shortens the print time, but at the expense of Z-axis accuracy and surface step effects. Superior equipment allows the0.2-0.5mmFlexible adjustment to part requirements within the range.
* Sand spreading and jetting speedBoth must be optimized in tandem. High-speed sanding needs to be matched to a high-speed scanning printhead system, otherwise it can become a bottleneck. For example, the use of parallel scanning with multiple printheads (such as the3DPTEK-J4000(using 16 nozzles) is the fundamental way to increase speed.

Real Capacity Calculation::
`Capacity per day ≈ build box volume × fill rate × (24 hours / total time for single box printing and preparation)`
Fill rate is dependent on part nesting density, while "total time" includes printing, sanding, sand preparation, etc. Highly automated machines (with automatic sand cleaning stations, alternating dual cylinders) can minimize non-printing time, thus improving overall equipment effectiveness (OEE).

5. Equipment reliability: the basis for stable production and a source of hidden costs

This is the metric that is most easily overlooked by parameter tables, yet determines long-term operational success or failure. Reliability is reflected inMean Time Between Failure (MTBF) cap (a poem)Critical component lifeUp.

Stability analysis of key components::

• printhead: Industrial piezo printheads typically have a life expectancy of1-2 years(depending on the level of maintenance). The core lies in the equipment'sink supply systemAvailability of constant pressure, recirculation, filtration and automatic cleaning to prevent clogging. The high cost of printhead replacement (up to tens of thousands of dollars per unit) makes the system's printhead protection design critical.
• Sanding system: Uniformity and consistency of sand spreading is the cornerstone of layer quality. The durability of the vibratory spreading mechanism and the wear cycles of the scrapers or rollers need attention. The system should be able to maintain a long-term spreading density error of less than 0.5 percent.±1%The
• Motion Control System: The ability to maintain the accuracy of linear motors/modules and guideways under long-term high-speed reciprocating motion. This is directly related to the equipment in3-5 yearsWhether the factory accuracy is still maintained after

Assessment methodology::

1. Access to historical data: Require vendors to provide equipment of the same typeOn-site runtime loggingcap (a poem)Critical Component Replacement LogThe
2. on-site inspection: Visits to users in production, especially those already using the equipmentMore than 2 yearsplants to hear their direct feedback on stability, failure frequency and maintenance costs.
3. stress test: During prototype testing, attempt to continuously print a high fill rate, time-consuming job and observe the device's performance on theLong-time warm-up stateOperational stability and accuracy consistency under

reach a verdict: Evaluation of oneSand 3D Printingmachine, it is important to use these five indicators as atotal systemThe trade-off. High accuracy can come at the expense of speed, and fully enclosed material systems are stable at the expense of cost control. For foundries looking for long-term competitiveness and return on investment, choosing a machine in theAccuracy, efficiency, material openness, reliabilityEquipment with an optimal engineering balance between the two, and with a sufficiently localized service case, is the first step towards success in digital casting.

Global Brand Power Showdown: A Comprehensive Comparison of International Giants and National Brands

With an in-depth understanding of the technical specifications, how to translate these parameters into specific brand and equipment choices is the clincher for purchasing decisions. GlobalSand 3D PrintingThe market is led by two major technology schools: the established players represented by Germany/USA, and the3DPTEK(SANDI Technology/Longyuan Molding) This section will provide an in-depth analysis of the technology accumulation and market strategy and actual performance of the company. This section will provide in-depth analysis from technology accumulation, market strategy and actual combat performance.

1. International giants: technology pioneers and market positioning

International brands, represented by German and American veterans, are the early definers of binder jetting technology, with the advantage of deep technical accumulation and globalized high-end market cases.

* Technical features and flagship models::
* German: by itsHigh-speed large-area printingThe centerpiece of this technology is the unique sand spreading and scanning system. Its flagship model has a molding size of up to 4000 x 2000 x 1000 mm and is designed for very large castings (e.g. wind power, ship components). Its technology line emphasizes production speed and large build volumes, giving it a head start in dealing with huge monolithic sand molds.
* United States of America: more focused onMaterials Science and Process StabilityThe company is well known for its in-depth research into the suitability of binder formulations for a wide range of casting materials. The company's equipment is used in automotive and aerospace R&D centers around the world and is known for the maturity and repeatability of its process packages.

* Strengths and Positioning::
* dominance: Long history of the brand, with a rich global case base of high-end applications (especially aerospace); extensive early patenting; and a relatively mature software ecosystem (e.g., integration with mainstream CAD/CAE).
* positioning (marketing): Key AnchorsHigh-end R&D organizations, large multinational enterprisesAs well as first tier users who are on a budget and have hardcore branding requirements. Their offerings often include specialized materialsClosed or semi-closed systemsThis ensures that the process is optimized, but the user's flexibility in material selection is relatively limited.

2. The rise of national brands: technological breakthroughs and localization advantages

in order to3DPTEKThe national brands represented by the company are not simple technology followers. They are based on a deep understanding of China's foundry industry ecology, out of aCost-effective, open and flexible, in-depth servicesThe path of differentiation.

Technological breakthroughs and typical models::

• Self-developed core: Taking 3DPTEK as an example, it has achieved in-house research and development from the underlying software (AFSWin3DP system), motion control to the ink supply system, freeing it from dependence on a specific upstream supply chain. This enables its equipment to respond quickly to local process demands for iteration.
• Product Matrix Coverage: We have formed a clear product line for the multi-level needs of the Chinese market:
• 3DPTEK-J1600 Pro/J1800The most widely proven "workhorse model" for medium-sized foundries and R&D centers is the one that achieves the golden balance of accuracy (±0.3mm), speed, and cost for molding sizes from 1600 to 1800mm.
• 3DPTEK-J2500/J4000: Standardize the international large-scale equipment to meet the heavy machinery, large pumps and valves and other areas of theAll-in-one large-size sand printingDemand. It improves the productivity of large-scale equipment while ensuring accuracy through multi-nozzle cooperative scanning and automated sand cleaning and transfer systems.

Core Competitive Advantages::

1. The ultimate price/performance ratioThe purchase cost of domestic equipment is usually only as low as that of international brands for the same molding size and accuracy level. 1/2 to 2/3. This dramatically lowers the initial investment threshold for digital transformation in foundries.
2. Open material system: This is a strategic difference. Domestic equipment generally supports the use of third-party sand materials (70/140 mesh, 100/200 mesh silica sand, pearl sand) and resins (furan, phenolic) that meet specifications, returning the choice of consumables and cost control to the user. Only one material, long-term operating costs can be further reduced. 20%-30%The
3. Deep localization service and fast response: Based on a nationwide network of distributed manufacturing service centers (e.g., in Beijing, Anhui, Zhejiang, Shandong, etc.), it can provide everything from equipment installation and process training to production support.24-hour rapid on-site response. This is essential to guarantee continuous production.
4. Production validation feeds into equipment developmentFor example, 3DPTEK operates a number of digital casting service centers and handles more than 2,000 prototyping projects annually. This "manufacturing services" and "equipment manufacturing" dual-wheel drive model, so that its equipment function updates directly from the real production pain points, more practical.

3. Multidimensional comparative analysis

The following table provides a direct comparison of the two types of brands in terms of key dimensions, with data based on public technical programs and industry research:

Concluding insights::
International brands and domestic brands are not simply "substitutes", but form a differentiated market stratification. For the pursuit of the world's top process verification, budget and strict requirements of the brand enterprise, international brands are still a reliable choice. However, for the vast majority of Chinese foundry enterprises, the core needs areStable, efficient, autonomous and controllable digital production capacity at an affordable cost. in order to3DPTEKThe national brands represented by theOpen system, in-depth localization services, proven reliability in mass production, and significant price/performance advantagesThe company has become the mainstream choice in the market and is redefining the value standard of industrial-grade sand 3D printing. Choosing a national brand is not only a cost consideration, but also a strategic partner who understands the pain points of Chinese manufacturing and can grow together with the enterprise.

Uncovering Hidden Costs: A Complete Financial Model for Equipment Procurement and Operation and Maintenance

After the technical parameters have been compared and the brand analyzed, a pragmatic manager must look at the financial aspect.Sand 3D PrinterThe investment decision should never be based on equipment quotations alone. It is a systematic investment whose true cost is determined by theInitial capital expenditure (CAPEX)cap (a poem)Ongoing operating expenses (OPEX)Together. Neglecting any one of these components can nullify the expected return on investment (ROI). This section will provide you with a complete framework for financial analysis.

1. Initial investment checklist: visible and invisible CAPEX

The price of the equipment body is just the tip of the iceberg. The initial investment for a complete system that can be put into production immediately consists of at least the following components:

Device Ontology and Core Configuration: i.e. the price of the printer mainframe. Need to clarify whether the offer includes standard configuration (such as a certain number of printheads, basic software licenses).
Installation, commissioning and basic training feesThe price of the equipment is typically 21 TP3T-51 TP3T, which includes machine set-up, leveling, electromechanical connections, commissioning of basic process parameters and initial operator training.draw attention to sth.: choose something like3DPTEKThese types of brands with multiple service centers across the country can effectively reduce the additional installation costs associated with remote travel.
Essential "post-processing equipment" investment (often underestimated)::

Initial stock of consumables: In order to start production, an initial stock of molding sand (e.g. silica sand, pozzolanic sand) and binder (furan/phenolic resin) needs to be purchased. For a medium-sized machine, for example, the first stock of sand usually requires 10-20 tons and a few hundred kilograms of resin.

2. Ongoing "Operational and Maintenance Equipment Cost (OPEX)" disaggregation

This is the "hidden engine" that determines long-term profitability. Accounting must be refined on a monthly/yearly basis:

Cost of consumables (variable cost body)::

• Printing Abrasives: The cost depends on the type of sand (about 600-800 RMB/ton for silica sand and 2,000-3,000 RMB/ton for Baobab sand) and thesand-iron ratio. Through optimized design (such as lightweight hollow structure), the sand-iron ratio can be reduced from the traditional 5:1-6:1 to 3:1-4:1, which directly saves more than 30% of sand cost.
• Bonding agent: Resin consumption is usually 1.5%-2.5% of the sand weight.Open material systemThe advantages are highlighted here: users can purchase more cost-effective compliant resins without being tied to high-priced specialty consumables. For example, costs can be reduced by $5-10 per kilogram by using compatible third-party resins.
• Core wearing parts - printheads: The industrial piezo printhead is a major consumable core component. Its life span is about 1-2 years, and the replacement cost of a single unit can reach tens of thousands of dollars.Annual printhead replacement budget. The equipment's nozzle maintenance system (e.g., automatic cleaning, recirculation filtration) can effectively extend its life.

Energy and indirect costs::

• Electricity consumptionThe main sources are the powder laying motor, the servo system, the heating unit (if any) and the air compressor. A medium-sized sand printer (e.g.3DPTEK-J1800) The rated power is usually in the 10-15KW, continuous printing of the daily power consumption can be considerable, need to be accounted for by the local industrial electricity prices.
• compressed air: For cleaning, pneumatic control, etc. A stable, clean source of dry air is required, with flow requirements typically ≥ 1.2 m3/min, the cost of preparation and use of which should be factored in.
• Annual maintenance contract (AMC): A maintenance contract with an equipment vendor is a smart way to ensure stable production and lock in repair costs. The cost is usually 3%-8%/year of the net price of the equipment, covering regular inspections, software upgrades and labor services.
• Spare parts inventory costs: In order to minimize downtime, factories need to stock a certain value of common spare parts (e.g., seals, sensors, filter elements), which takes up working capital.

3. Framework for measuring return on investment (ROI): from cost center to profit center

To assess ROI, it is necessary to quantify the technology that bringsRevenue enhancementtogether withCost savings. The following is a practical framework for measurement modeling:

Core Benefits and Savings Items:

• Zeroing out mold costsThis is the biggest savings for new product development or small batch production. Traditional complex metal molds often costHundreds of thousands to millions of dollars3D printing brings this cost right down to zero.
• Monetized value of shorter development cycles: Time is money. Market opportunities and premium income from advancing product launches should be discounted to earnings.
• * *Example*: If an automotive component passes bench testing and goes into production 60 days ahead of schedule, and assuming that the component's average daily profit contribution is $10,000, the gain would be600,000 dollars.The
• Labor and Site Efficiency Improvements: Automated printing reduces the reliance on advanced molders, and the labor required per unit of output drops dramatically. At the same time, the digital process reduces mold storage space.
• Material Utilization Improvement and Lightweighting Gains: The topology-optimized design of the sand pattern reduces the amount of sand used. More critically, the resulting castings are lightweight, bringing significant end-product performance improvements and life-cycle cost reductions in aerospace and new energy vehicles.

Simple Measurement Modeling of the Payback Cycle:

`Static payback period (years) = total investment (CAPEX) / annualized incremental net income'

Incremental annualized net income = (Annual tooling cost savings + development cycle reduction benefits + labor/material savings) - Annual OPEX additions
Typical Case Reference: Based on3DPTEKStatistics on its service-based manufacturing business and customer cases show that a scenario focused on complex part prototyping and low-volume production can typically reduce the cost of single-part sub-development through its equipment and process70% and aboveThe overall payback period can be controlled at 18-36 months Inside. The payback period may be shorter for users who use it directly in the production of high value-added parts.

Key Tips: The most accurate ROI analysis should be based on your own 1-2Typical ProductsPerform simulation measurements. It is recommended that during the selection phase, suppliers (e.g., the3DPTEK) offers parts specific to yourProcess Solution and Cost Analysis ReportThis will make the financial projections incredibly clear.

reach a verdict: ProcurementSand 3D Printingmachine, essentially buying a set of "time compressor"and"Complexity decoupler". The financial value is reflected not only in the explicit cost savings, but also in the strategic gains made by accelerating innovation and taking on high value-added orders. Building a complete financial model as described above is the final, and most important, step in making rational, confident investment decisions.

7 Steps to avoid the pitfalls of the procurement process: a practical checklist from requirements analysis to contracting

After the technical and financial analysis, the final decision depends on a rigorous procurement execution process. Based on our experience in delivering solutions to over 100 foundries, any omission in the process can result in a significant reduction in the effectiveness of the investment. Below is a seven-step checklist of practical steps from requirements to delivery.

Step 1: Define your needs - conduct a digital gap analysis

Do not blindly pursue the "state of the art". The first step should be to conduct an internal process audit to quantify the gap between the current situation and the target.
* Product Matrix Analysis: List your planned production for the next 1-3 yearsTypical castings for the first 5 categories. Record its:
* Maximum profile size(determines the lower limit of the device build box).
* Structural complexity(e.g., minimum wall thickness, number of internal cavities, determining requirements for equipment accuracy and software processing capabilities).
* Material & Weight(affects sand strength and paint process selection).
* Positioning of the production model: Define the main role of the device.

quantitative goalSet clear KPIs, such as "shorten the lead time for first sample of A products from 90 days to less than 15 days", "reduce the cost of molds for small-lot orders to less than 10%".

Step 2: Supplier in-depth research - penetrate the case to see the strength of the

A supplier's technical heritage and industry experience are more important than flashy brochures.
Examining technical strengths::

1. R&D History: Ask about the time to market and number of iterations of their first industrial equipment. For example.Longyuan Forming (Longyuan AFS) Since its inception in 1994, its technology iterations have been validated through a complete market cycle.
2. Autonomous rate of core components: Focus on asking whether the motion control system, ink supply system, and core software are self-developed. This is related to long-term technical support and customization capabilities.
3. Process Database: Demonstration of proven process parameter packages for different materials (e.g. cast iron, cast steel, aluminum alloys) is required. Mature suppliers should be supported by a systematic database.

Validation Success Stories::
Request for "same-scenario" examples: If you manufacture pumps and valves, ask to see the pumps and valves case of theFull process documentation(from original CAD and printed sand photos to final castings and inspection reports) rather than a generalized list of industries.
Conduct user backtesting: Direct contact with reference customers provided by the supplier, preferably by visiting equipment already in useMore than 2 yearsof users. Key questions include, "What is the average annual number of equipment failures?" , "How responsive is the after-sales service?" and "Is the actual material cost consistent with the supplier's original estimate?"

Step 3: Ask for an on-site test print - talk in samples!

This is the most crucial aspect of avoiding "paperwork". It is important to insist onOfficial prototype testing for a fee or with a depositThe
Suggestions for the design of test samples::

1. Includes integrated features: Designing a program that containsThin walls (e.g. 5mm), thick parts, complex internal runners, fine surface textures and critical positioning datumsof the test pieces.
2. Simulation of real working conditions: it's better to just use one of your existing, medium-complexityReal Parts ModelPerform the test.

List of acceptance criteria::

• Dimensional accuracy: Inspection of key positioning dimensions and wall thicknesses using CMM, issuing deviation reports from CAD model. The acceptance criteria should be consistent with the supplier's commitment (e.g. ±0.3mm).
• Surface quality and sand cleaning performance: Observation of the uniformity of the sand surface, manual sand cleaning test, checking the internal complex cavities of thefesteringIs it good, with or without sticky sand.
• Strength test: Performs on printed sand molds or standard specimenstensile strengthcap (a poem)bending strengthTesting, the data should meet the casting requirements (usually tensile strength > 1.5 MPa).

Step 4: Evaluate the Solution Comprehensively - Equipment is Only the Tip of the Iceberg

The real value lies in the equipment-centeredTotal Solution MaturityThe
Software Ecological Assessment::

• Ease of use and pre-processing capabilities: Practical operation of their slicing software (e.g.3DPTEK's AFSWin3DP), testing its model repair, intelligent support generation, and multi-part nested nesting functionality and efficiency.
• data stream integration: Confirm whether their software supports the output format of your existing design process (e.g. STL, STEP) and the potential for interfacing with possible MES/ERP systems.

Process support capabilities::
Is the supplier able to provide the information from theOptimization of sand mold design (e.g. follow-on riser), printing, sand cleaning, coating to casting matchingof full-chain process consulting? This reflects the depth of its technical services.

Material supply chain stability::
For open systems, vendors are required to provideList of multiple qualified sand and resin suppliersTo ensure that the supply chain has alternatives to avoid the risk of supply disruptions.

Step 5: Contract Negotiation Points - Clarify Rights, Responsibilities and Benefits

Contracts are the last line of defense in safeguarding investments. Be sure to refine the technical annexes.
Performance Guarantee Clause: WillAcceptance criteria for step 3Write in an annex to the contract as a legal basis for final acceptance. Clarify the precision, strength, maximum print size and other parameters of theTest Methods and Qualification RangesThe

After-sales service response SLA (Service Level Agreement)::

• response time: Clearly differentiate between different levels of response time for telephone support, remote diagnosis, and arrival of on-site engineers (e.g., "on-site response within 48 hours for serious faults").
• Warranty Coverage and Duration: Clarify the warranty period for the entire machine (usually 1-2 years), as well as separate warranty policies for key components (e.g. printheads, linear motors).
• Software Upgrade Policy: Clarify whether there is a charge for software feature upgrades and bug fixes during and outside the warranty period.
• List of training contents: Contracts should detail the training course outline, duration, number of participants and assessment criteria to ensure effective knowledge transfer.

Step 6: Installation and Acceptance Planning - Clearing the Way for Production

Advance planning is the basis for ensuring the smooth commissioning of equipment.
Site preparation checklist::

• bear the weight (of the upper storeys of a building): Depending on the total weight of the equipment (e.g.3DPTEK-J2500 mainframe about 15 tons) and centralized load points to verify the plant floor load-bearing capacity (usually ≥ 3t/m2 is required, especially if there are plans to place equipment on the second floor).
• Electricity and GasReserve independent power supply (e.g. 380V/50Hz/15KW) and clean and dry gas source interface (pressure 0.6-0.8MPa, flow rate ≥1.2m3/min) in accordance with the specifications.
• Environment and Ventilation: Ensure that the installation area meets the temperature and humidity requirements (e.g., 22-28°C, 30-50%RH) and plan the dust collection and discharge system for the sand cleaning station.

Final Acceptance Test Program (FAT/SAT)::

• Factory Acceptance Test (FAT): If possible, go to the equipment factory for pre-acceptance, inspection of core components and air-running tests.
• Site Acceptance (SAT): After the equipment has been installed and commissioned in your plant, repeat theSample print test in the third step, using your approved measuring tools, perform the final acceptance signature in accordance with the standards attached to the contract.

Step 7: People Training and Knowledge Transfer - Activating Digital Productivity

The value of the equipment is ultimately unlocked by your team.
Building the core team: Training should coverProcess engineers, equipment operators, reprocessing and testing personnelThe
Skills transfer focus::
design side: Master the principles of sand mold design optimization for additive manufacturing (e.g., reducing supports, optimizing release angles).
production side: Proficient in daily operation of equipment, maintenance procedures, common troubleshooting and emergency response.
quality side: Establishment of 3D printing sand molds forSpecialized testing process and standardsThe
Require suppliers to provide a complete knowledge documentation packageThe company's product range includes operating manuals, maintenance manuals, process parameter libraries, and typical troubleshooting guides, which serve as long-term assets for the organization.

reach a verdict: ProcurementSand 3D PrinterIt is a systematic project. Following this seven-step checklist can transform technology impulses into rational strategic investments. Each step is designed toReducing risk, locking in value, and ensuring your team can truly harness the technologyThe blueprint for digital casting is thus transformed into tangible competitiveness and profitability.

Successful Application Apocalypse: 3 Industry-Leading Sand 3D Printing Landmarks

Theoretical analysis and parameter comparison are important, but the ultimate proof of the value of the technology lies in its ability to solve real-world engineering problems. The following three cases, all based on the domestic leading digital casting practice, they not only show theSand 3D Printingpotential, and moreover reveals how it reshapes the logic of production in different fields.

Case 1 (large engine block): integrated sand core and development cycle revolution

challengeA large diesel engine manufacturer in the south is facing two core bottlenecks in the development of a new generation of high-performance engines: one is the traditional mold making which leads to a long development cycle of cylinder block samples.3-4 months, which seriously slows down the R&D progress; secondly, the complexity of the cylinder bodyConformal cooling channelsThe traditional sand core cannot be manufactured as a whole, and needs to be bonded in pieces, with the risk of alignment error and leakage.

prescription: Adoption3DPTEK-J1800Sand 3D printers to implement an integrated printing solution.
1. data passthrough: A 3D model of the cylinder block with optimized follower waterways is imported directly into the printing software.
2. Integral molding: One-time printing of a complete cylinder sand combination containing all the complex internal cavities and water jacket cores, completely eliminating the mold and block core making process.
3. Process matchingThe use of high-strength furan resin and 100/200 mesh Baobab sand ensures that the sand core meets the requirements of complex structures and has the ability to≥1.8MPaThe tensile strength to withstand iron impact.

Results and insights::
* Cycle time compression: Reduced time from design to castable sand mold toWithin 2 weeksOverall R&D cycle compression70% and aboveThe
* Performance BreakthroughsThe integrated sand core ensures precise dimensions and sealing of the cooling channels, and bench tests have shown an increase in cooling efficiency of approx.15%The
* Cost reconstruction: Reduce the cost of a single round of prototype trials from the million-dollar level of the traditional model to$100,000 levelThis case proves that sand 3D printing is not only a "faster" tool for highly complex core components, but also a way of realizing a new dimension. This case proves that for highly complex core components, sand 3D printing is not only a "faster" tool, but also a way to realize the benefits of 3D printing.Design Freedom and Functional OptimizationThe only economical way to do this.

Case 2 (complex impeller pump): economic validation of small-lot rapid casting

challengeAn industrial pump and valve company often receives small orders (batch quantities of 5-50 pieces) for special materials (such as duplex stainless steel) or non-standard runner designs. The traditional way to make metal molds, high cost and delivery time of up to 8-12 weeks, resulting in long-term loss of orders or forced to give up the state.

prescription: Introduction3DPTEK-J1600 ProConstructs a rapid response process as a flexible production unit.
1. Domestic equipment economic supportThe model was chosen for its open consumables system that allows for the purchase of more cost-effective local resins and silica sand at a manageable cost per piece of molding material.
2. Fast process changeover: Upon receipt of the order, theWithin 24 hoursComplete model processing and print layout to initiate production.
3. Closing the loop on accuracy and quality: The critical dimensional accuracy of printed sand molds is stabilized at±0.3mmWith the strict coating process, the surface finish of the castings reaches Ra 12.5μm, which meets the customer's installation requirements.

Results and insights::
* The economic model holds: For small lot sizes of less than 50 pieces, the overall cost per piece is lower than traditional molding.40%-60%The first profitable production of small batches of specialty pump bodies was achieved.
* Delivery agility: Stable lead time from order confirmation to casting delivery10-15 working daysIt has become a core competency for companies to obtain high value-added orders.
* Reliability of domestic equipment: Equipment with a MTBF of more than2000 hoursThis case proves that under stable production environment, the domestic equipment can fully meet the requirements of industrial-grade reliability. This case is"Open system + cost-effective equipment" A classic triumph of the model in a low-volume flexible manufacturing scenario.

Case 3 (Cultural Heritage Reproduction): Digital Archiving and the Rebirth of Artistic Castings

challenge: A national cultural relics - a large bronze tripod restoration and reproduction project, its surface decoration is extremely complex, there are a large number of negative angles and deep grooves. The traditional mold will seriously damage the body of the artifacts, and silicone molds can not withstand the pouring pressure of large castings, the replica details of the loss of serious.

prescriptionDigital contactless process of "3D scanning + sand 3D printing".
1. High-fidelity digitization: First, the artifacts are scanned in three dimensions with high precision, and the error is obtained below0.1mmof the digital model to complete the digital archive.
2. Direct Printing of Sand Patterns: UseLongyuan Forming (Longyuan AFS) The sand printing machine prints digital models directly into sand molds for casting. The characteristics of the sand printing process perfectly preserve every detail of the decoration, including dead spaces that cannot be handled by conventional methods.
3. Traditional Craftsmanship Combined: Special refractory coatings are applied to the printed precision sand molds, which are then cast in bronze using the ancient lost wax (molten mold) casting process.

Results and insights::
* Non-destructive replication: the realization of the cultural heritage of thezero-touchReproduction, which fundamentally protects the security of cultural objects.
* Detailed reproduction: The replica has a high degree of clarity of ornamentation95% Above, far beyond the limits of traditional craftsmanship, it meets the highest requirements for archaeological research and exhibition display.
* Value ExtensionThe technology is not only used for reproduction, but also creates a "digital twin" of the artifact, providing a permanent digital foundation for future restoration, research and development of cultural derivatives. This case highlights the potential of sand 3D printing inReproduce any complex formand its irreplaceability as aDigital preservation and transmission of cultural heritageImportant value of key technologies.

Core revelationsTogether, these three cross-cutting examples show that the successful application of sand 3D printing has gone beyond the initial stage of "replacing molds". It is becomingDriving product innovation (e.g., Case 1's follow-the-shape waterways), reconfiguring production models (e.g., Case 2's small batch economics), and passing on cultural heritage (e.g., Case 3's digital rebirth) strategic technologies. By investing in this, we are investing in the core flexible capacity and innovation base to cope with the uncertainties of the future.

Frequently Asked Questions (FAQ)

After completing a comprehensive technical, financial and process analysis, we've compiled a list of high-frequency, core questions from decision makers in front-line foundries. These questions get to the heart of procurement and operations pain points and are designed to clear the final cognitive hurdles for you.

Q1: An industrial gradeSand 3D PrinterWhat is the price range? What is the price difference between domestic and imported equipment?

A. The price range is enormous, depending on size, precision and automation. Take, for example, the mainstream demand in the domestic market:
* Domestic equipmentAs3DPTEKof the J series, the entry-level investment for a medium-sized machine (molding dimensions of approximately 1800 x 1000 x 700 mm) is usually in the range ofRMB 1,500,000 to 3,000,000Range. Larger units (e.g. J2500/J4000) are in the higher price range.
* Imported high-end equipment: The price of the same level of equipment can be as high as the price of domestic equipment. 1.5x to more than 3xSome of the ultra-large or customized systems can be in the tens of millions of dollars range.

The core of the differenceIt's not just in the brand premium, it's in the reflection:
1. Material Systems Strategy: Imported equipment is mostly closed or semi-closed systems bound to specialized consumables, while domestic open systems (such as those used by 3DPTEK) allow for the use of better-cost third-party materials, with significant differences in long-term operating costs.
2. Integrated Solution Maturity: Imported brands dominate the globalized high-end case base; domestic brands areLocalized process adaptation, service responsiveness and cost effectivenessA decisive advantage has been constructed. For the vast majority of Chinese companies looking for a clear return on investment, the comprehensive cost advantage of domestic equipment generally shortens the payback period. 30%-50%The

Q2: What 'post-processing equipment' do I need to invest in besides the printer itself? What is the total cost share?

A. Post-processing is the key to guaranteeing production continuity and improving the quality of sand molds, and its investment is often underestimated, and may account for as much as 20%-40%. Required sessions include:

Key recommendations: When planning budgets, equipment vendors should be asked (e.g.3DPTEK) Provide the host computer with its matchingTotal solution and quotation for reprocessing unit, avoiding passive additional investment at a later stage.

Q3: What is the strength of sand molds with Binder Jetting technology? Can it meet the requirements of all casting metals?

A. Modern binder jetting technology has been able to produce sand molds that meet the strength requirements of most casting scenarios.
* Typical intensity data: With furan or phenolic resins, the tensile strength of printed sand forms is typically up to 1.5 - 2.5 MPa, higher flexural strength, which is enough to cope with:
* :: Casting of light metals such as aluminum alloys and magnesium alloys.
* :: Cast iron (gray, ductile) and plain cast steel.
* Most stainless steels and high temperature alloys.
* Extreme condition verification: For extreme conditions (e.g., oversized castings weighing several tons, pours with very high hydrostatic head), the strength of the sand mold is not the only consideration, but needs to be evaluated in a comprehensive manner.Sand dispersibility, outgassing (typically <12 ml/g) and thermal stability.. This needs to be done byProcess validationto determine. Leading domestic suppliers such asLongyuan Forming (Longyuan AFS)With its experience in operating foundries, the company is able to offer its customers a package of proven process parameters for specific materials (e.g. high chrome steels, high temperature alloys).

Q4: What are the main challenges and costs of daily operation and maintenance of equipment? How to control it?

A. The main challenge is to maintain long-term system stability with controllable consumable costs.
* Core challenges::
1. Print Head Maintenance: Preventing nozzle clogging is a top priority. Choose a spray nozzle that hasBuilt-in circular filtration, constant pressure ink supply and automatic cleaning functiondevices (such as the 3DPTEK-J series design) can greatly reduce this risk.
2. Sand management: Particle size distribution, temperature and humidity control of recycled sand directly affects the quality of laid powder. A standardized sand handling process needs to be established.
* Cost components and control::
* Cost of consumables (approx. OPEX 60%-70%): Sand and resin are the biggest expenses.Selection of equipment for open material systemsIt is the most effective means of controlling costs, and it allows you to source the most cost-effective compliant materials from the competitive marketplace.
* Critical component replacement (e.g. print head): Industrial printheads are consumables with a life span of approximately 1-2 years. This needs to be set aside in the annual budget. Quality equipment design can extend their life.
* Energy and Maintenance: Electricity, compressed air consumption and annual maintenance contracts (AMC) are fixed expenses. Choosing energy-efficient and reliable equipment reduces these costs at the source.

Q5: What are the most overlooked key contract terms during procurement negotiations?

A. In addition to price and delivery, the following technical terms are crucial but often overlooked:
1. Performance guarantee clauses with clear acceptance criteria: Contracts must be accompanied by technical annexes.quantizeAccuracy (e.g. ± 0.3mm), strength (e.g. tensile strength ≥ 1.8MPa) and other key indicators, and write down theTest methods, tools and remedies for failure to meet standards (e.g., repair, replacement or refund)Avoid vague expressions such as "industry-leading". Avoid vague expressions such as "industry-leading".
2. Attribution of Software and Intellectual Property: Explicit agreement:
* :: Upgrade policy for operating software, process control software (is there a charge inside or outside the warranty period?). .
* :: Materials specific to your business that are generated in the course of collaborative commissioning.Database of optimized process parametersThe intellectual property rights are attributed and used.
3. Quantified after-sales service level agreements (SLAs): Instead of just saying "provide timely services", it should be clear:
* response time: Specific timeframes for telephone support (e.g., within 2 hours), remote diagnosis (e.g., within 4 hours), and on-site arrival of an engineer (e.g., within 48 hours of a serious failure).
* Spare parts supply time: Maximum time for stocking and delivery of commonly used spare parts and critical components (e.g. printheads).
* On-site support staff qualifications: Requirement to send engineers with extensive backgrounds in casting processes, rather than maintenance personnel with only mechanical knowledge.

?? Recommendations for next steps
At this point, you have acquired a complete set of knowledge from market trends, technical indicators, brand comparisons to financial modeling and procurement processes. The value of theory is to guide practice.

We highly recommend that you start the following two steps immediately to get your planning off the ground:
1. Internal combing: Use the first step of this article's 7-Step Pit Avoidance Process to quantify the current cost and cycle time of 1-2 of your own typical products.
2. Get customized analytics: Bring your specific part model and contact a company like3DPTEK (SANDY TECHNOLOGY/LONGYUAN MOLDING) This is a supplier with experience in both equipment manufacturing and large-scale production services.Ask them to provide you with a free process feasibility analysis and preliminary cost-benefit estimate for this part.. It's the best way to validate technology fit at zero cost and get the most intuitive ROI projections.

immediate action, is the beginning of closing the digital gap with your competitors.

2026砂型3D打印機終極采購指南：避坑清單與品牌對比最先出現(xiàn)在三帝科技股份有限公司。

When the wheel of time quietly crossed 2025, we stood at the threshold of the old and the new and looked back at the resounding footprints that SANDI Technology had walked. This year, we took hardcore innovation as ink and digital intelligence as scroll, and waved a magnificent picture of industrial upgrading on the canvas of the times. When the first ray of dawn of 2026 is about to sprinkle the earth, we are full of gratitude and pride, and harbor unlimited expectations for the future.

2025: Innovation Leads, Breaks the Waves

Compacting the product matrix and constructing a full-series layoutIn 2025, SANDEK has completed the series layout of full-size equipment from millimeter scale to meter scale, and realized the comprehensive coverage of 3DP sand printing, BJ binder jet metal/ceramic printing, SLS selective laser sintering and SLM selective laser melting, and other intelligent equipments. It is especially worth mentioning that our 4-meter super-large-size 3DP casting sand printer 3DPTEK-J4000 has been awarded the title of 2025 Additive Manufacturing Quality Product, which has become a solid base to support the innovation and development of customers in various fields.

Refinement of the technical core, showing the bottom of innovationThis year, we not only realized the stable mass production of large-size sand printing equipment, but also innovatively launched the "flexible area molding technology without sand box", which provides a new solution to solve the problem of large and complex casting manufacturing. This year, we not only realized the stable mass production of large-size sand printing equipment, but also innovatively launched the "no sand box flexible area molding technology", which provides a brand new solution for solving the problem of manufacturing large and complex castings. In the field of high-end heat dissipation, we successfully realized the precision molding of high thermal conductivity composite materials, and the core performance of our products exceeded the international standard of MIM, demonstrating our excellent technical strength.

Promote global layout and internal and external synergiesIn 2025, the domestic business of SANDI Technology has realized leapfrog growth, with significant year-on-year growth in performance scale, widely serving more than 500 high-quality customers in aerospace, power and energy. Overseas market is also soaring, business in more than 30 countries and regions around the world, overseas revenue accounted for a significant breakthrough. Our equipment is exported to Italy, Turkey, Spain, South Korea and other key markets in Europe and Asia, the globalization of the operating system is increasingly perfect.

Expanding the business ecosystem and opening up new frontiersIn August, we successfully acquired Shenzhen Shuanglong Dental Research Technology Co., Ltd, which is not only an important layout of the digital dental field, but also obtains the mature channels covering more than 30 countries and international certification qualification, which lays a solid foundation for entering the high-end dental market.

Strategic Financing Landed, Strengthening the Roots of DevelopmentIn 2025, we successfully completed two strategic investments from the Beijing New Materials Industry Fund and SINOMACH Industry Fund. These funds will be used for the pre-investment of binder jet equipment (BJ/3DP), ceramic printing process expansion, copper diamond chip heat sink capacity construction, accelerated product overseas and talent construction, further consolidating our leading position in the binder jet 3D printing field.

2026: A journey of 10,000 miles, a cloud of high sails

In the new year, SANDI will continue to promote the "1-2-N" development strategy, that is, to take one set of 3D printing technology as the core, plowing 3D casting and 3D powder metallurgy two major solutions, expanding N application scenarios, to build a richer industrial ecology.

Consolidate technological leadership and strengthen the innovation systemAs a domestic enterprise that simultaneously masters four core 3D printing technologies, namely SLS, SLM, 3DP and BJ, we will continue to utilize the advantages of "Trinity" innovation system. As a domestic enterprise that simultaneously masters the four core 3D printing technologies of SLS, SLM, 3DP and BJ, we will continue to take advantage of the "Trinity" innovation system and integrate the resources of Guoqian Science and Technology Research Institute, postdoctoral workstation and enterprise R&D team to continue to promote technological innovation and maintain the leading position in the industry.

Upgrade casting ecology and expand application areas. Through the 8 3D Smart Manufacturing bases laid out in China, in 2026 we will focus on promoting the large-scale application of 3D printing in high-voltage electrical and rail transportation fields, and reshaping the traditional casting ecology through new construction, expansion and mergers and acquisitions to realize large-scale application production and delivery.

Deepen powder metallurgy and implement differentiation strategyBJ Technology is a leading manufacturer of AI chip thermal management equipment. Relying on the advantages of BJ technology of "high efficiency, low cost, no thermal stress", we will implement differentiated equipment strategy in the field of AI chip thermal management, providing customized solutions for research institutes and industrial users. Suzhou SANDI Precision will focus on the field of binder jetting 3D printing copper diamond heat dissipation, and realize the batch delivery of applications in this field.

Expanding Digital Healthcare, Perfecting Precision Manufacturing. On the basis of having the first 3D printed titanium alloy hearing aid medical device registration certificate in China, through the merger and acquisition of Shenzhen Shuanglong Dental Research, we will further expand the 3D printed orthopedic application field, improve the layout of precision medicine, and contribute more power to the cause of human health.

Build an industrial Internet platform to accelerate digital transformation. In the new year, we will focus on building the 3D Smart Manufacturing Industrial Internet Platform, comprehensively improving the company's digital management capabilities, and at the same time making efforts in going overseas and unmanned factory construction to create a new paradigm of future-oriented intelligent manufacturing.

The heart is as solid as a rock and the mission is as strong as ever

Pragmatism, innovation, synergy, growth - these four keywords are deeply imprinted in the pursuit of values and development concepts of SANDY TECHNOLOGY.

From 1994, when we successfully developed the first commercialized industrial-grade 3D printer with independent intellectual property rights in China to the present, SANDI Technology has always been adhering to the mission of "Starting from 3D printing, upgrading manufacturing with digital technology". With more than 30 years of innovation, we have witnessed and participated in the wave of digital transformation of China's manufacturing industry.

Looking forward to 2026, we will continue to work hand in hand with our global partners to promote the integration of 3D printing technology into thousands of industries with a more open attitude, a more innovative spirit and more pragmatic actions, injecting new kinetic energy into the high-quality development of the manufacturing industry, and contributing more "SANDI Solutions" to the intelligent manufacturing in China and even in the world.

Thank you for the trust and support of every customer, partner and employee. Let's work hand in hand to meet the excitement and splendor of 2026! Happy New Year!

President Zong Guisheng

Beijing SANDI Technology Co.

December 31, 2025

以創(chuàng)新之筆，繪智造蒼穹 |?三帝科技2026年新年獻詞最先出現(xiàn)在三帝科技股份有限公司。

Figure: SANTI TECHNOLOGY 4 meters 3DP casting sand printer 3DPTEK-J4000

Equipment order hotline: 13811566237

For aerospace, electric energy, heavy machinery and other fields in the manufacture of ultra-large castings in the long-standing problems of long production cycle, high cost of molds, complex structure molding difficulties, 3DPTEK-J4000 with a number of innovative technologies to provide solutions:

Its innovative "no sand box flexible area molding technology" not only breaks through the size limitations of traditional casting, supporting a maximum of 4 meters of sand integrated manufacturing, but also to achieve a very competitive cost control.

This technology, combined with high-precision nozzle and intelligent algorithms, can realize the integral molding of thin-walled, multi-dimensional curved surfaces and complex cavities (such as the spiral cooling water channel) of large components, solving the efficiency, cost and welding defects arising from the traditional process of making large parts that require segmental casting and then welding. Practical application shows that the technology can make large and complex castings to shorten the production cycle of more than 50%, for example, will weigh 1 ton of aluminum alloy castings delivery time from 60 days to 15 days compressed significantly.

The company also provides open-source material process system, which can be adjusted according to the user's needs; supporting high-performance resin binder, curing agent, cleaning agent, to ensure the quality and stability of molding.

Based on 30 years of accumulation of powder laying technology, SANDI Technology has independently developed full-size 3DP casting sand and SLS casting sand/wax series printers from millimeters to meters, which can satisfy the manufacturing needs of products of different sizes and materials, and help users maximize their productivity with lower unit cost and shorter delivery time. 

Figure: SANDY TECHNOLOGY 3DP Casting Sand Printer 3DPTEK-J1800/J1800S/J2500

Figure: SANDY Technology SLS Casting Sand/Wax Printer AFS-500/LaserCore-5300/LaserCore-6000

The honor of being on the list of 2025 additive manufacturing quality products is a full affirmation of SanDi Technology's adherence to independent innovation and deepening of the path of industrialization. Starting from 3D printing, upgrading manufacturing with digital technology. In the future, SANDI Technology will continue to help more manufacturing enterprises realize quality and efficiency improvement and transformation and upgrading through its leading equipment, materials and full chain service capabilities, and contribute to the development of new quality productivity.

[About SANDI TECHNOLOGY

(3D Printing Technology, Inc.) is a national high-tech enterprise and a "small giant" enterprise specializing in industrial-grade additive manufacturing (3D printing) equipment and rapid manufacturing services. The company has built a complete industrial chain covering technology research and development, equipment and material production, process support and manufacturing services, and is in a leading position in a number of core technologies such as binder jetting (BJ/3DP) in China, and is actively promoting the large-scale application of 3D printing in the fields of casting upgrading, advanced heat dissipation, and precision medical care.

上榜！三帝科技粘結劑噴射裝備榮膺2025年增材制造優(yōu)質(zhì)產(chǎn)品最先出現(xiàn)在三帝科技股份有限公司。

Recently, a subsidiary of Beijing SANDI Technology Co.Wugong Xinxin Nonferrous Metal Casting Co.（The project of "5N Ultra High Purity Aluminum Preparation Demonstration Equipment Development and Supporting Processes" jointly declared by Xinxin Foundry (hereinafter referred to as Xinxin Foundry) and Xi'an University of Technology (hereinafter referred to as Xi'an University of Technology) was successfully selected as one of the key core technology industrialization projects to be supported by Shaanxi Province in 2025 (hereinafter referred to as the Project). The project "Development of 5N Ultra-high-purity Aluminum Preparation Demonstration Equipment and Supporting Process", jointly declared by Xi'an University of Technology (XUT) and Xi'an University of Technology (XUIT), has been successfully selected as one of the projects to be supported by "Unveiling and Hanging" for the industrialization of key core technologies of key industrial chains in Shaanxi Province in 2025. The program aims to promote the industrialization of key core technologies by targeting and deploying key core technology research and development for the short boards of key industrial chains through the method of "unveiling the list of commander-in-chief".

Ultrahigh-purity aluminum (purity ≥ 99.999%) is a key basic material indispensable to high-end manufacturing fields such as semiconductor integrated circuits, solar cells, aircraft navigation systems, radar and so on. Due to its preparation technology barriers are extremely high, for a long time, the material preparation technology is monopolized by foreign countries, China's demand is highly dependent on imports, has become a prominent short board of the industrial chain security.

The unveiled project aims to research and develop complete sets of preparation technology and demonstration equipment for ultra-high purity aluminum above 5N level with complete independent intellectual property rights, aiming to build a demonstration production line with an annual output of 30 tons, and to realize that the key indexes such as material purity, product size, production efficiency and energy consumption and environmental protection have reached the international advanced level.

The project proposes a new process of "melt multi-field coupling solidification regulation multi-link integration of fine aluminum preparation", which aims to realize efficient, low-consumption and green preparation of large-diameter ultra-high-purity aluminum ingots by integrating the synergistic effect of ultrasonic field, electromagnetic field, temperature field and other physical fields. The core technology of the project has three major innovations:

1. Engineering efficient purification methods and equipment. Achieve axial high gradient and radial balanced temperature field control of ultra-high purity aluminum ingot with diameter 50-160mm, and the comprehensive removal efficiency of impurities is increased to 80%.

2. Multi-field coupling integrated process. Technically replace the traditional electrolysis method and establish a fully automated production process route with low energy consumption and low pollution.

3. Frontier mechanism research. In-depth revelation of the changing law of solute boundary layer under rotating magnetic field, providing theoretical support for process optimization.

The project is implemented by Xinxin Casting as the main body of industrialization, and Xi'an University of Technology provides cutting-edge technology research and theoretical support, which is a model of the deep integration of "industry, academia, research and application". Xinxin Casting gives full play to its own rich experience and engineering capabilities in non-ferrous metal melting, casting, precision machining and industrialization, and Xi'an Polytechnic University to form a strong alliance with the top scientific research strength in materials science, solidification theory and other aspects.

As a high-tech enterprise focusing on the field of high-end casting and new materials under the banner of Three Emperor Technology, Xinxin Casting, relying on the strategic support of the parent company in scientific and technological innovation and industrial layout, has continued to increase investment in research and development, and has built an advanced manufacturing system covering 3DP sand printing, precision machining, and full-process testing, which lays a solid foundation for undertaking this kind of major scientific and technological research projects.

Xi'an University of Technology has profound scientific research accumulation in the fields of composite materials and solidification technology, and its research results have won the second prize of the National Science and Technology Progress Award, and the cooperation between the two sides will give full play to the advantages of each side in the engineering application and cutting-edge research.

After the successful implementation of the project, it will not only fill the blank of domestic high-end ultra-high purity aluminum scale green preparation, meet the urgent needs of semiconductor, new energy, aerospace and other industries, and bring considerable economic benefits, but also drive Shaanxi Province and even the whole country "aluminum magnesium and aluminum deep-processing" industry chain to the high-end, green upgrading.

喜報！欣鑫鑄造5N超高純鋁制備項目獲批陜西省重點產(chǎn)業(yè)鏈關鍵核心技術產(chǎn)業(yè)化“揭榜掛帥”支持最先出現(xiàn)在三帝科技股份有限公司。

Photo: SANTI TECHNOLOGY's industrial-grade 3D printing equipment shipment(Source: SANTI TECHNOLOGY)

As Xia Chunguang, co-founder of MoFang Precision, said, "The more precise a part is, the higher the cost of developing and producing it in the traditional way." This is precisely the core competitiveness of Chinese industrial 3D printing companies going overseas - they not only export products, but also export a new manufacturing paradigm.

01 Industry journey: from "laboratory" to "globalization"

The global 3D printing market is witnessing explosive growth. According to Mordor Intelligence, the global 3D printing market size is expected to exceed $110 billion by 2030, growing at a CAGR of more than 36% during 2025-2030.

The regional market landscape is distinct: North America accounted for 41.681 TP3T of global spending, while Asia-Pacific is expected to expand at a CAGR of 26.471 TP3T, making it the fastest growing region.

In this wave of globalization, Chinese industrial 3D printing enterprises present a unique path to the sea.

MoFang Precision's overseas experience is quite legendary. 2019, MoFang Precision displayed additive manufacturing equipment with a printing precision of up to 2 microns at an industrial exhibition in the U.S., which triggered onlookers.

Figure: Precision prototypes manufactured by Mofang Precision (source: internet data)

A foreign friend saw the print sample, one knee on the ground, close and carefully scrutinized for a long time. The breakthrough in precision allowed Mofang Precision to open up the market of developed countries.

In only 3 years, MoFang Precision has set up overseas branches in the United States, Japan, Germany, Britain and other places. In 4 years of going to sea, the products are exported to 35 countries, and the proportion of overseas sales reaches 50%.

SANDI Technology has chosen a different path. By mastering the four industrial-grade 3D printing technologies of SLS (Selective Laser Sintering), SLM (Selective Laser Melting), 3DP (Sand Printing), and BJ (Binder Jet), and exporting the equipment, SANDI TECH has precisely targeted the Eurasian market, where the demand for digital dentistry is strong and the price-performance ratio is sensitive.

Its overseas revenue soared from almost zero to $15% in a year, achieving a substantial breakthrough.

02 Path exploration: three sea lanes, four global playing styles

The paths of Chinese industrial 3D printing companies to the sea can be broadly categorized into three distinctive shipping lanes, and the success of SanDi Technology demonstrates the effectiveness of a hybrid model.

The first one is "technological conquest".

Mofang Precision relies on its self-developed "surface projection microstereolithography" technology to realize high-precision detail printing of 2 microns, and control the tolerance size in the range of +-10 microns. This technological breakthrough makes Mofang Precision the only company in the world to successfully provide high-precision additive manufacturing solutions.

Technological innovation has become the fulcrum for them to pry the global market.

Figure: Map of R&D and production of Mofang Precision equipment (Source: official website of Mofang Precision)

The second is "cost-disruptive".

Through supply chain consolidation, Intelligent Pie has been able to source display screens for light-curing 3D printing at a significantly lower price than the market price, and in 2019, they are launching the "Mars" series, which is the market's first device in the $300 range that combines 2K printing accuracy.

While the average pricing of domestic brands at the time was around $500, overseas brands were upwards of $1,000 USD.

Figure: ELEGOO DLP Light Curing 3D PrinterMARS 4 DLP (Source: ELEGOO website)

The third is "ecological networking".

Some companies have followed HP's model of building an Additive Manufacturing Network to enable localized production and rapid response by building a global manufacturing and service network, and Korall Engineering, along with partners such as HP, has achieved the ability to locally print and deliver spare parts in the oil and gas industry in a matter of days.

The fourth is a "technology + M&A hybrid".

SANDI Technology has taken a unique path combining technology and mergers and acquisitions. 2025, SANDI Technology acquired Shenzhen Shuanglong Dental Research Technology Co., Ltd, a company that specializes in high-end customized dentures. This move not only allows SANDI Technology to obtain the mature channels established by Shuanglong Dental Research covering more than 30 countries and regions in the world, such as America, Europe, Australia, Southeast Asia, etc., but also take over all of its international certifications and customer resources in one go, realizing the leapfrog development of the process of going abroad.

Figure: Titanium alloy bridge (Source: Shenzhen Shuanglong Dental Research)

03 Cracking the Dilemma: Challenges and Responses on the Way to the Sea

The road of industrial 3D printing to the sea is not a smooth one, and enterprises need to face a series of challenges.

Trade barriers are the primary challenge.

Against the backdrop of the continued increase in U.S. tariff policies, China's industrial-grade 3D printer companies are facing multiple challenges such as surging export costs, supply chain restructuring and limited market access.

Certification bottlenecks should likewise not be ignored.

"Flight hardware such as turbine nozzles or pressurized valves must comply with rigorous fracture toughness and fatigue testing," reports Mordor Intelligence, "and the current rulebook is written for subtractive machining; as a result, additive parts undergo redundant sample testing, extending schedules by as much as 18 months."

In this regard, through the merger and acquisition of Shuanglong Dental Research, SanDi Technology has obtained the European Union CE, U.S. FDA and China's Class II medical device certification, paving the way for products to travel the international market.

Intellectual property risks follow.

As a technology-intensive industry, 3D printing companies face a complex IP environment, especially in mature markets in Europe and the United States.

In the face of these challenges, companies that have successfully gone overseas have adopted a variety of coping strategies.

Localization of supply chain layout is an effective means to deal with trade barriers. The study suggests that Chinese enterprises can optimize global capacity allocation through the distributed layout model of "regional manufacturing centers + localized manufacturing units".

SANDI has implemented lean management in all aspects of production to ensure the reliability and consistency of product quality. In addition, the company has reached strategic cooperation with a number of international high-quality logistics service providers to customize safe and efficient transportation solutions for each order, fully guaranteeing the timeliness and integrity of global equipment output.

Internationalization of technical standards is the key to break through the certification bottleneck. Mofang Precision's innovative ability has been recognized by the Prism Award, an authoritative award in the global optoelectronic science and technology industry, and in March 2021, Mofang Precision became the first company in China to win the award, beating two well-known U.S.-listed companies.

Market diversification is a strategic choice to diversify risks. Intelligent Pie Europe and the United States users accounted for 92%, but at the same time also sell products to more than 70 countries and regions around the world.

SANDI Technology, on the other hand, has accurately cut into high-growth markets such as Turkey and Spain. In Turkey, for example, the scale of its dental industry is expected to reach 5 billion U.S. dollars in 2025, dental tourism contributes 70% share, of which the 3D printing denture equipment orders increased year-on-year up to 55%, the market opportunity is huge.

04 Future strategy: from "product to sea" to value to sea

As the global 3D printing market continues to mature, Chinese companies are upgrading their overseas strategies.

Supply chain strategy is shifting from pure export to global capacity placement.

"Regionalized production networks" and "technology localization strategies" have become important means of coping with changes in the global trade environment. Some leading companies have begun to strategically locate in emerging economies such as Southeast Asia, Central and Eastern Europe, and Latin America.

Technology development is showing a diversification trend.

Metal 2 micron high precision detail printing, and control the tolerance size in the range of +-10 micron, +-25 micron respectively.

Some of SANDI Technology's early equipment has been in continuous and stable operation for more than 20 years, which has earned it a very high level of trust in the market. The four core 3D printing technologies it has mastered can provide the mature technical assurance required for diversified manufacturing needs.

Market expansion extends from developed countries to emerging markets.

Asia Pacific has become the fastest growing region in the global 3D printing market, with the Chinese government's "Made in China 2025" policy driving the growth of local companies.

The business model has also evolved from single device sales to diversification.

Some organizations have begun to offer "print-by-the-hour" subscription services that combine maintenance, calibration and powder replenishment into a single invoice. This hybrid approach blurs the line between hardware and services, smoothing out revenue streams during macroeconomic cycles.

05 Future Outlook: From "Manufacturing to Overseas" to "Ecological Overseas"

The next stage of industrial 3D printing overseas will be the shift from product output to the construction of a global digital manufacturing ecosystem.

The digital supply chain is becoming a core competency.

Korall Engineering's approach heralds this trend - they identify key components, model modular systems, and automate the derivation of variants. These data sets are then made available to certified manufacturing partners via Korall's own Oktopus platform.

The transformation of servitization has become a value growth point.

The 3D printing services market is expected to outpace the hardware market at a CAGR of 25.21% from 2025 to 2030.Contract manufacturers such as Stratasys Direct Manufacturing, Materialise, and Protolabs utilize multi-site networks to distribute loads, allow customers to prototype in ten days and receive parts that meet ISO-13485 production standards.

A global collaborative network will be the ultimate form.

HP is connecting part requirements with its partner network through its Additive Manufacturing Network program. Similarly, Korall has partnered with HP, Assembrix and Sparely to implement a series of secure remote printing jobs.

Dozens of industrial-grade granular 3D printers are working 24/7 in an intelligent factory in Zhuhai. They are printing automotive parts and consumer products of different specifications according to orders from customers in Europe and North America.

On the workshop's electronic screen, a global production status map flashes in real time, marking manufacturing nodes spread across continents.

At the same time, SANDI's shipment list continues to grow with orders from Italy, Turkey, Spain and South Korea, witnessing the transformation of China's industrial 3D printing from technological catch-up to global leadership.

Zong Guisheng, founder of SANDI Technology, believes that from technological breakthroughs to global layout, we are redefining the position of Chinese manufacturing in the global industrial chain.

His eyes are reflecting the new chapter of China's industrial 3D printing overseas - that is not only the flow of products, but also the manufacturing paradigm, technical standards and industrial ecology of global integration. (Source: Zongguancun Public)

工業(yè)3D打印出海破局：從中國智造到全球制造最先出現(xiàn)在三帝科技股份有限公司。

The 7th Asia Powder Metallurgy International Conference & Exhibition (APMA2025) was successfully held from October 19 to 22, 2025 in Qingdao, Shandong Province. Co-organized by the Powder Metallurgy Industry Technology Innovation Strategy Alliance (CPMA) and the Chinese Society for Metals (CSM), the conference brought together top experts and enterprise representatives in the field of powder metallurgy from home and abroad. BJ Binder Jet Metal/Ceramic Printer independently developed by SANDY Technology3DPTEK-J400PDr. Zong Guisheng, Director of 3D Printing Committee of Powder Metallurgy Industry Technology Innovation Strategy Alliance and Chairman of SANDI Technology, was awarded "Outstanding Contribution Award of Powder Metallurgy".

As an important participant of the conference, SANDI Technology was deeply involved in a number of agendas. Dr. Zong Guisheng served as the chairman of the Additive Manufacturing sub-forum of the conference and gave an invited report on "BJ Binder Jetting Manufacturing", sharing the cutting-edge practice of this technology in promoting the high efficiency and low cost of the powder metallurgy industry.

Dr. Zong Guisheng pointed out in the report that traditional powder injection molding faces pain points such as high mold costs, long development cycles and limited product sizes. Through binder jet (BJ) 3D printing technology, SANDI Technology has realized moldless manufacturing, rapid prototyping of complex structures and large-size parts production, effectively helping the industry to achieve cost reduction and efficiency. Currently, the technology has been applied on a large scale in 3C electronics, automotive, aerospace, AI chip cooling, liquid cooling system and other fields.

BJ Binder Jet Metal/Ceramic Printing System Enables Efficient Precision Manufacturing

SANDI Technology has systematically mastered a full set of key technologies of BJ binder jet metal/ceramic molding equipment, materials and processes. Its 3DPTEK-J160R/J400P/J800P series printing equipment, integrated with precise powder supply, high density powder laying and high precision inkjet control system, to effectively deal with the small particle size powder laying problems, support 400-1200dpi high-resolution printing, the highest molding accuracy of ± 0.1mm, the highest molding efficiency of 3600cc/h. The highest molding efficiency is 3600cc/h.

Figure: SANDY TECHNOLOGY BJ Binder Jet Metal/Ceramic Molding Printer 3DPTEK-J160R/J400P/J800P

In terms of material system, the company has developed more than 20 kinds of process formulations, such as water-based environmentally friendly and solvent-based high-efficiency type, covering a wide range of metal materials such as stainless steel, titanium alloy, high-temperature alloy, as well as ceramic and non-metal materials such as silicon carbide. Through systematic control of the degreasing and sintering process, the company has realized precise control of the shape and performance of the products, and the performance of the products meets and partially exceeds the international standards.

Based on the advantages of "high efficiency, low cost and no thermal stress" of BJ technology, SANDI has made important breakthroughs in the field of heat dissipation, successfully realizing the high-quality molding of copper-diamond, copper-silicon carbide and other composites, and the performance is better than the international standard of MIM. The company implements differentiated equipment strategy, for scientific research institutions and chip design enterprises, to provide scientific research equipment 3DPTEK-J160R, for rapid prototyping and thermal design verification; for liquid-cooled servers and other industrial users, to provide integrated industrial solutions (equipment + special powder / binder + process package), to help customers shorten the process development cycle of 60% or more.

SLM Laser Metal Printing Expands Technology Boundaries with Gradient Material Systems

In addition to binder jetting technology, SANDI Technology has also independently developed metal printing systems including SLM selective zone laser melting equipment AFS-M120/M400, gradient metal equipment AFS-M120X(T), and multi-material additive and subtractive material integration equipment AFS-M300XAS, etc., and completed a variety of stainless steel, titanium alloy, aluminum alloy, die steel, cobalt-chromium alloy, nickel-based alloy and other We have also completed the process development of various materials such as stainless steel, titanium alloy, aluminum alloy, mold steel, cobalt-chromium alloy and nickel-based alloy.

Among them, AFS-M120X(T) can realize the continuous gradient accurate powder supply of two or more metal materials, which is suitable for the research of composite metal material properties; AFS-M300XAS supports the gradient combination of up to four materials, and realizes the continuous gradient change in the horizontal direction, and material composition switching or gradient change in the vertical direction, which is promising for the development of high-throughput materials, aerospace, automotive, medical and mold processing, and other fields. It has broad prospects in the fields of high-throughput material development, aerospace, automotive, medical and mold processing, etc.

SANDI Technology always focuses on the synergistic development of industry, academia and research, and maintains close cooperation with Shenzhen Vocational and Technical University, Shenzhen Tsinghua University Research Institute, Shanghai Jiaotong University, University of Science and Technology of Beijing and other universities and scientific research institutes, and continues to promote the basic research and transformation of BJ technology in the materials, processes and applications, to help industrial molds, high-end cutting tools, 3C electronic precision components and complex large-size shaped ceramic products and other areas of large-scale application. The scale application of BJ technology.

[About SANDI TECHNOLOGY

SANDI Technology is a national high-tech enterprise and a "small giant" enterprise specializing in industrial-grade additive manufacturing (3D printing) equipment and rapid manufacturing services. The company has built a complete industrial chain covering technology research and development, equipment and material production, process support and manufacturing services, and is in a leading position in a number of core technologies such as binder jetting (BJ) in China, and is actively promoting the large-scale application of 3D printing in the fields of casting upgrading, advanced heat dissipation, and precision medical care.

三帝科技祝賀第七屆亞洲粉末冶金國際會議成功舉辦最先出現(xiàn)在三帝科技股份有限公司。

It is reported that the 3DP sand printing equipments provided by SANDI Technology to many domestic manufacturing enterprises in Liaoning, Hebei, Henan, Jiangsu, Guizhou and other places have been sent out successfully in recent days. When the equipment arrives at the customer's site, the professional technical team of SANDI Technology will follow up the assembly, debugging and acceptance work at the first time to ensure that the equipment is put into production quickly and operates stably. At present, SANDI's equipment and services have covered 26 provinces (including autonomous regions and municipalities directly under the Central Government), widely serving the main foundry industry belt and intelligent manufacturing clusters, and continuing to provide power for the transformation and upgrading of customers.

At the same time, the overseas market expansion has achieved remarkable results. A number of 3D printing equipments sent to Korea, Turkey, Italy, France, Spain and other regions have been successfully shipped and are about to be delivered. At present, SANDI's products and services have covered many key markets in Europe and Asia, such as East Asia, South Asia, Western Europe, Eastern Europe, etc. The globalized operation system is becoming more and more perfect, showing strong international competitiveness.

With more than 30 years of experience in industrial-grade 3D printing, SANDI Technology has deep experience in powder laying technology and stable and reliable equipment. After years of market verification, the 3D printing equipment purchased by some users in the early stage of the company's business has been in stable operation for more than 20 years. The company also masters selective laser sintering (SLS), selective laser melting (SLM), sand 3D printing (3DP) and binder jetting (BJ) four core 3D printing technology, its "3DP + SLS" composite sand process has been selected by the Ministry of Industry and Information Technology of the typical application of additive manufacturing scenarios, can provide mature technical support for the diversified manufacturing needs. It can provide mature technology guarantee for diversified manufacturing needs.

In the production process, SANDI Technology comprehensively implements lean management, continuously optimizes the process of equipment assembly and commissioning, and ensures the reliability and consistency of product quality while improving production efficiency by strengthening cross-departmental collaboration and standardized on-site operations. All key components are strictly inspected and qualified before entering the assembly, realizing the whole process of quality traceability and precise control from parts to the whole machine.

In the delivery process, the company strictly implements the factory verification mechanism, the relevant person in charge checks and inspects the equipment one by one according to the "Application for Equipment Factory Permit", and carries out special marking and explanation for the customer's personalized needs, so as to ensure that the equipment is delivered accurately and in good condition. Through efficient cross-departmental collaboration and real-time information transfer, the company realizes seamless connection from production to delivery, and continues to consolidate the advantages of efficient delivery.

SANDI Technology not only provides high-performance equipment, but also focuses on full-cycle services. We provide comprehensive hands-on training and process guidance to our customers through our 3D Smart Manufacturing Centers throughout the country. Through the after-sales team in Beijing, Shaanxi, Hebei, Henan, Guangxi, Shandong, Anhui and other regions to provide timely response and nearby service, effectively guarantee the continuous and stable operation of customer equipment. At the same time, the company actively promotes market synergy and resource sharing to help customers expand business opportunities and enhance market competitiveness.

In addition, SANDY Technology attaches great importance to the professional capacity building of the team, through regular training and production coordination mechanism, to continuously improve the assembly efficiency and product quality. The company has reached strategic cooperation with a number of international high-quality logistics service providers to customize safe and efficient transportation solutions for each order, fully guaranteeing the timeliness and integrity of global equipment output.

Under the background of accelerated intelligent and digital transformation of the global manufacturing industry, SANDY Technology, relying on the three-in-one synergistic innovation system of "Guoqian Science and Technology Research Institute, post-doctoral workstation, and enterprise R&D team", continuously breaks through the key technologies, optimizes the performance of the products, and continues to improve the international marketing and service network and enhance the overseas localized service capability, to provide high-performance 3D printing equipment and rapid manufacturing integrated solutions for global customers with global vision and international standards. Global vision and international standards to provide global customers with high-performance 3D printing equipment and rapid manufacturing solutions to empower the high-quality development of the manufacturing industry.

[About SANDI TECHNOLOGY

(3D Printing Technology, Inc.) is a national high-tech enterprise and a "small giant" enterprise specializing in industrial-grade additive manufacturing (3D printing) equipment and rapid manufacturing services. It has been invested by many organizations, including Jinko Junchuang, CICC Capital, Zhongke Haichuang, Become Capital, Beijing New Materials Fund, and SINOMACH Fund, etc. The company has been invested by the Ministry of Economic Affairs of the People's Republic of China. Aiming at cost reduction, efficiency improvement and quality improvement, the company has built a complete industrial chain covering the R&D and production of 3D printing equipment and materials, process technology support and rapid finished product manufacturing. Widely served in aerospace, electric power and energy, ship pumps and valves, automotive, rail transportation, industrial machinery, 3C electronics, rehabilitation and medical care, education and scientific research, sculpture, culture and creativity and other fields.

三帝科技設備生產(chǎn)發(fā)貨忙 全力運轉(zhuǎn)保交付最先出現(xiàn)在三帝科技股份有限公司。

Chapter 1: Deep Dive: The Root Challenge of Traditional Casting Defects

1.1 Common casting defects and their deep causes

Casting defects are the direct cause of high scrap rates. These defects are not accidental, but are dictated by the physical and process limitations inherent in conventional casting processes.

firstlystomatogether withshrinkage. Porosity mainly originates from the involvement or inability to effectively discharge gases (e.g. hydrogen, mold outgassing) in the liquid metal during the pouring and solidification process. When the dissolved gases in the liquid metal are released due to reduced solubility during cooling and solidification, bubbles will form inside or on the surface of the casting if they are not discharged in time. Related to this is shrinkage, which is a natural phenomenon of volume contraction of the metal during solidification. If the cooling system is not properly designed, resulting in local mold temperature is too high, or insufficient complementary shrinkage, it will form internal voids or depressions, the so-called shrinkage holes.

Next.sandwichedtogether witherror type (math.). In conventional sand casting, sand molds and sand cores usually need to be assembled and bonded after being made from multiple pieces separately. In this process, any tiny rupture of the sand core or improper bonding may lead to sand particles being caught in the metal liquid, forming sand entrapment defects. In addition, if the mold parting surface or the sand core is not positioned accurately, it may also lead to the casting of the upper and lower parts of the misalignment of the mis-shape defects.

endcold storagetogether withcrackles. When the fluidity of the metal liquid is poor, the pouring temperature is too low, or the runner design is narrow, the two metal streams are solidified without being fully integrated at the leading edge, leaving a weakly connected cold segregation. And during cooling and solidification, if there are uneven stresses within the casting, thermal cracks may occur during shrinkage.

1.2 The traditional mold manufacturing "high cost" and "low efficiency" dilemma

Another core pain point of the traditional casting process is its mold manufacturing process. Traditional wood or metal core box manufacturing is a labor-intensive, highly skilled worker-dependent process with long lead times and significant costs. Any minor design change means that the mold needs to be rebuilt, resulting in high additional costs and weeks or even months of waiting time.

This over-reliance on physical molds also fundamentally limits the design freedom of castings. Traditional mold-making processes are unable to mold complex internal runners and hollow structures in one piece, which must be disassembled into multiple independent sand cores and then assembled by complex tooling and labor. ². This process limitation forces designers to compromise and sacrifice part performance for manufacturability, such as simplifying cooling channels to accommodate drilling processes that do not allow for optimal cooling.

To summarize, the high scrap rate of traditional casting is not an isolated technical problem, but a product of its core processes. The traditional "physical trial and error" mode makes the foundry in the discovery of defects, need to go through a long process of mold modification and retesting, which is a high-risk, inefficient cycle. 3D printing's revolutionary value is that it provides a "moldless" solution, fundamentally reshaping the entire production process, will be the traditional "physical trial and error" mode, will be the traditional "physical trial and error" mode, will be the traditional "physical trial and error" mode, will be the traditional "casting" high scrap rate is not an isolated technical problem, but its core process products. The revolutionary value of 3D printing is that it provides a "moldless" solution that fundamentally reshapes the entire production process, transforming the traditional "physical trial-and-error" model into a "digital simulation validation" that puts the risk in front of the process, thus eliminating most of the causes of scrap at the source.

Chapter 2: 3D Printing: A Revolutionary Breakthrough from Technology to Solution

2.1 Moldless production: eliminating the root causes of obsolescence

The core advantage of 3D printing is its "moldless" production method, which allows it to bypass all of the mold-related challenges inherent in traditional casting, thus radically reducing scrap rates.

Directly from CAD to sand mold. Binder Jetting in Additive Manufacturing is the key to making this happen. It works by precisely spraying liquid binder onto thin layers of powder (e.g. silica sand, ceramic sand) from an industrial-grade printhead based on a 3D CAD digital model. By bonding layer by layer, the 3D model in the digital file is constructed in the form of a solid sand mold or sand core. This process completely eliminates the need to rely on physical molds. Because there is no need for lengthy mold design and manufacturing, the mold-making cycle can be shortened from weeks or even months to hours or days, enabling "print-on-demand" and rapid response to design changes, dramatically reducing up-front investment and trial-and-error costs.

One-piece molding and complex structures. 3D printing's layered manufacturing approach gives unprecedented design freedom. It is able to mold complex sand cores that would traditionally have to be split into multiple parts, such as the meandering runners inside an engine, into a single monolithic piece. Not only does this simplify the casting process, but more importantly, it completely eliminates the need for core assembly, bonding and misalignment, thus eradicating common defects such as sand entrapment, dimensional deviations, and misshaping caused by such issues.

2.2 Optimization process: data to guarantee casting quality

The value of 3D printing goes beyond "moldlessness" itself. It elevates the manufacturing process to a whole new digital dimension, allowing data to be verified and optimized before physical manufacturing, turning "after the fact" into "before the fact".

Digital Simulation and Design. During the digital design phase prior to 3D printing, engineers can use advanced Finite Element Analysis (FEM) software to perform accurate virtual simulations of the pouring, make-up shrinkage and cooling processes. This makes it possible to anticipate and correct potential defects that could lead to porosity, shrinkage or cracks before actual production. For example, by simulating the flow of the liquid metal in the runners, the design of the pouring system can be optimized to ensure smooth filling and effective venting. This digital foresight greatly improves the success rate of the first trial run and guarantees casting yields at the source.

Excellent sand properties. 3D printed sand molds, due to their layer-by-layer construction, can achieve uniform densities and air permeability that are difficult to achieve with traditional processes. This is crucial for the casting process. Uniform gas permeability ensures that gases generated inside the sand mold can escape smoothly during the pouring process, significantly reducing porosity defects caused by poor venting.

Cooling with shape. Conformal cooling technology is another revolutionary application of 3D printing in the field of casting molds. Mold inserts manufactured through metal 3D printing have cooling runners that can be designed to exactly mimic the surface contours of the casting. This achieves fast, uniform cooling, significantly reducing deformation and shrinkage due to uneven shrinkage, thus dramatically reducing the scrap rate. According to data, molds with follow-through cooling can reduce injection cycle times by as much as 70%, while significantly improving product quality.

From "physical trial and error" to "digital foresight". The core contribution of 3D printing is to transform the traditional foundry model of "trial and error" into "anticipatory manufacturing". It enables foundries to perform numerous iterations in a digital environment in a cost-effective manner, which is a fundamental shift in mindset and business process. This "hybrid manufacturing" model makes 3D printing easier to adopt by traditional foundries and enables the most efficient production. For example, 3D printing can be used to create the most complex and error-prone sand cores, and then combined with sand molds made using traditional methods to "build on the strengths".

Chapter 3: SANTI TECHNOLOGY: A Digital Engine to Empower the Foundry Industry

3.1 Core equipment: "hard power" for casting innovation

As a pioneer and leader in the field of additive manufacturing in China, 3DPTEK provides strong "hard power" support for the foundry industry with its self-developed core equipment.

The company's core product lines are3DP Sand Printerthat highlights its leadership in technology. Flagship devices3DPTEK-J4000With an extra-large molding size of 4,000 x 2,000 x 1,000 mm, it is highly competitive on a global scale. This extra-large size allows large, complex castings to be molded in one piece without the need for splicing, further eliminating potential defects caused by splicing. At the same time, for example

3DPTEK-J1600PlusDevices such as these offer high accuracy of ±0.3 mm and efficient printing speeds, ensuring that superior quality is achieved while producing quickly.

In addition, SANTI Technology'sSLS (Selective Laser Sintering) Equipmentseries, such asLaserCore-6000The machines are also excellent in the field of precision casting. This series of equipment is particularly suitable for the manufacture of wax molds for investment casting, providing a more accurate solution for high-end, fine parts in aerospace, medical and other fields.

It is worth mentioning that SANDI Technology is not only an equipment supplier, but also an expert in material and process solutions. The company has developed more than 20 binders and 30 material formulations, compatible with cast iron, cast steel, aluminum, copper, magnesium and other casting alloys. This ensures that its equipment can be seamlessly integrated into a wide range of casting applications, providing customers with comprehensive technical support.

3.2 All-link services: integrated casting solutions

The competitive advantage of SANDI Technology lies not only in its hardware, but also in the integrated solutions it provides along the whole chain. The company has a strong "Trinity" innovation system - "research institute + post-doctoral workstation + R&D team". This model ensures continuous technology iteration and innovation momentum, and its accumulation of more than 320 patents is a strong proof of its technological leadership.

The company offers a "one-stop" turnkey service from design and 3D printing to casting, machining and inspection. This vertically integrated model greatly simplifies the customer's supply chain management, reduces communication costs and risks, and allows the foundry to focus on its core business.

3.3 Classic Case: Data-Driven Proof of Value

Successful cases are the most persuasive tool to convince potential customers. Through a series of real-world projects, SANDY Technology has quantified the significant business value that 3D printing technology brings.

in order toAutomotive water-cooled motor housingAs an example, this case perfectly demonstrates how the 3DP sand casting process solves the one-piece molding problem of "large size, thin wall, complex spiral cooling channels". ²¹. The successful application of this technology in the field of new energy vehicles has proved its significant advantages in the production of high-performance, complex structure castings.

On the otherIndustrial pump bodyIn the case of SANDI, SANDI adopted the hybrid manufacturing model of "3DP outer mold + SLS inner core". This complementary strategy shortened the production cycle by 80%, and at the same time improved the dimensional accuracy of the castings to CT7 level, which perfectly proved the powerful effect of the hybrid manufacturing mode.

The joint venture project with Xinxin Foundry provides the strongest business argument. By introducing 3D printing technology, the foundry achieved a turnover increase of 1,35%, doubled its profitability, halved its lead time and reduced its costs by 30%. This series of quantitative data provides irrefutable proof of the return on investment of 3D printing technology in the foundry industry.

The following table visualizes how 3D printing can address the pain points of the foundry industry on both a technical and business value level:

Chapter 4: Looking to the future: digitalization and sustainability in the foundry industry

3D printing technology is leading the foundry industry from the traditional "manufacturing" to "smart manufacturing" fundamental transformation. According to the relevant report, the scale of China's additive manufacturing industry continues to grow at a high rate, and in 2022 it will exceed RMB 32 billion. This data clearly shows that digital transformation has become an irreversible industry trend.

In the future, 3D printing will be deeply integrated with artificial intelligence (AI), IoT and other technologies to achieve full automation and intelligent management of production lines. Foundries can use AI algorithms to optimize casting parameters and IoT sensors to monitor the production process in real time, thus further improving yield rates and production efficiency.

In addition, the unique advantages of 3D printing in realizing complex lightweight design will help automotive, aerospace and other downstream industries to improve product performance and reduce energy consumption, which is a perfect fit for the requirements of global sustainable development. 3D printing's on-demand production mode and extremely high material utilization (can be recycled more than 90% unbonded powder), also significantly reduces the generation of waste, for the casting industry to bring the environmentally friendly development path for the foundry industry.

concluding remarks 3D printing is not the end of casting, but its innovator. It gives the traditional foundry industry unprecedented flexibility, efficiency and quality assurance through its two core advantages of "moldless" and "digital". It enables foundries to free themselves from the plight of high scrap rates and enter a new era of greater efficiency, competitiveness and embrace of innovation. For any foundry seeking to stand out in a competitive market, embracing 3D printing technology, represented by SanDi Technology, is no longer an optional choice, but a necessary path to the future.

3D打印如何解決鑄造高報廢率問題：革新鑄造工藝，提升品質(zhì)與效率最先出現(xiàn)在三帝科技股份有限公司。

Eliminating shrinkage holes has always been a complex challenge for foundries and engineers, with traditional methods often relying on experience and adjusting mold design, pouring systems and cooling processes through trial and error . However, with the advent of additive manufacturing technologies, especially industrial-grade sand 3D printing, casting design and production have been revolutionized, providing unprecedented new ways to completely solve shrinkage problems.  

1. Root causes of casting shrinkage: geometrical limitations of conventional molds

To understand how 3D printing solves problems, it is first necessary to deeply analyze the pain points of traditional casting. The main reasons for shrinkage formation can be attributed to two things:

1. Compensate for shrinkage deficiencies: As a casting solidifies and shrinks, it needs to be constantly replenished with liquid metal through the pouring system and riser. If the replenishment channels are not properly designed or are insufficient, the liquid metal cannot be transported to the areas most in need of replenishment, resulting in the creation of voids. ?
2. Uneven solidification: If the cooling rate of different areas of the casting is not consistent, the heat is difficult to effectively disseminate, the formation of hot joints (hot spot). These hot spots are the last solidified areas, when the surrounding metal has solidified, they lack the liquid metal supplement, very easy to form shrinkage holes. ?

In conventional casting, molds and cores are manufactured with physical tools whose geometry is limited by machinability and releaseability. For example, the holes drilled for cooling water paths can only be straight lines. . This makes it difficult for engineers to design complex, curved make-up shrinkage channels or follow-through cooling channels inside the mold to precisely control the solidification process, thus increasing the risk of shrinkage defects The  

2. 3D printing solutions: freedom of design to give "life" to molds and dies

The core strengths of industrial sand 3D printers areDesign Freedomcap (a poem)No mold productionIt prints sand molds and cores layer by layer directly from 3D CAD files. . This characteristic radically breaks through the geometric limitations of conventional processes and provides several powerful means of eliminating shrinkage as follows:  

Option 1: Optimize the fill and contraction channel, precise infusion

Using 3D printing technology, engineers can design the optimal make-up shrinkage system inside the mold without having to consider machinability.

• Integrated pouring system: Traditionally, the sprue system (including the sprue and riser) has to be fabricated and assembled separately. 3D printing allows the entire sprue system, the filler riser and the mold itself to be printed in one piece. This integrated design ensures a seamless connection and precise alignment of the channels, greatly reducing the risk of shrinkage failure due to assembly errors. ?
• Design of precise filler risers: 3D printing allows the precise design and printing of shrinkage risers above the hot joint areas of the casting, ensuring a constant flow of molten metal to fill the void created by solidification shrinkage. It has been shown that overflow risers above the casting can effectively vent gases, thus reducing porosity defects in the casting. ?
• Eliminate undercutting and complex structural barriers: In traditional processes, complex undercuts and internal passages require multiple cores to be assembled, which not only increases assembly errors, but can also easily lead to dislodged or misaligned cores. 3D printing allows multiple individual cores to be combined into a single, complex, integrated core, eliminating the need for assembly altogether, and improving the accuracy and quality of the casting. ?

Option 2: Conformal cooling for uniform solidification

For the molds themselves, 3D printing can be equally revolutionary. ByConformal cooling(conformal cooling) technology, which allows the design of cooling channels inside the mold that match the surface contour of the casting. The  

• Principle: Conventional cooling channels are drilled in straight lines and do not cover all the areas that need to be cooled, resulting in uneven temperatures in the mold . Conformal cooling, on the other hand, uses 3D printing to integrate curved, serpentine cooling waterways into the mold so that they fit snugly on the surface of the casting . ?
• Advantage: This design results in more uniform cooling and significantly reduces the risk of localized overheating of the mold. A more balanced temperature gradient means that the solidification process is more controlled, radically reducing the formation of hot joints and thus preventing shrinkage. It has been demonstrated that the use of a form-following cooling mold reduces the temperature variation during mold cooling to as low as 18°C, thus significantly reducing the risk of casting warpage. ?

Scenario 3: Digital Simulation and Rapid Iteration to Prevent Problems Before They Happen

The digital workflow of 3D printing provides engineers with valuable opportunities for "trial and error" before going into production. The  

• Casting simulation software: Engineers can use casting simulation software (e.g. Cimatron) to simulate the flow and solidification of molten metal. If the simulation results show a risk of shrinkage, the mold design can be quickly adjusted, e.g. by changing the location of the sprue or riser, and then tested virtually again. ?
• Rapid prototyping and iteration: If a physical prototype is required, 3D printing can print a mold or core in hours or days. This allows engineers to iterate and validate designs multiple times at a fraction of the cost and speed. This agile development model is unimaginable in traditional casting, which requires expensive mold making and long waiting times. ?

3. Not just eliminating defects, but a leap in efficiency

The use of 3D printing technology to solve the problem of casting shrinkage, bringing not only the improvement of product quality, but also a series of chain of business value:

• Reduce costs: 3D printing significantly reduces production costs by eliminating the expensive physical mold and tooling manufacturing aspects . According to research, 3D printing can save up to 50%-90% compared to traditional methods . ?
• Shorten the delivery time: Mold making time has been reduced from weeks or even months to hours, allowing companies to respond more quickly to market demands . In one case, a company was able to reduce lead times by 9 weeks by using a sand 3D printer. ?
• Reduce scrap rates: The accuracy and consistency of the molds have been greatly improved, reducing casting defects due to human error or mold wear, thus significantly reducing scrap rates. ?
• Simplify the process: Consolidating multiple parts into a single integrated component simplifies complex assembly processes and reduces reliance on highly skilled labor. ?

Conclusion: 3D printing - a "cure" for the foundry industry

Casting shrinkage is not an isolated technical problem, but the traditional casting process in the face of complex design and high-precision requirements of the systematic challenges exposed. Industrial sand 3D printers, with their unique technological advantages, offer a "cure" for the problem at its source. It eliminates the risk of shrinkage by giving engineers unprecedented design freedom, enabling them to build optimized internal structures and cooling systems. The  

For the pursuit of excellent quality, efficient production and cost optimization of modern foundry enterprises, 3D printing is no longer dispensable "additional options", but to promote industrial upgrading, in the fierce competition in the market to win the first chance of the key technology. It is not just a piece of equipment, but also to the "digital casting" bridge to the future, so that the former "casting problems" to be solved! The

3D打印如何通過優(yōu)化內(nèi)部結構來消除鑄件縮孔最先出現(xiàn)在三帝科技股份有限公司。

I. Equipment selection strategy based on casting size

The size of the casting is a central factor in determining the specification of a sand 3D printer, which needs to be selected with a balance between current needs and future developments:

1. Statistical analysis of existing casting dimensions
   1. Enterprises need to comprehensively sort out the past 1-2 years of casting orders, categorized by product type (such as automotive parts, aviation structural components, pumps and valves shells), statistics on the length, width and height of each type of casting size range, drawing size distribution histogram. For example, an automobile foundry statistics found that 60% engine block castings in 300-500mm in length, width 200-350mm, height 150-250mm;
   1. Identify the "core size range" with the highest percentage and use it as a basis for filtering printers. As in the case above, 3DPTEK's 3DPTEK-J1800(molding size 1800×1200×1000mm) can easily cover most of the engine block sand printing needs, to avoid "small horse-drawn cart" (equipment molding size is too large, waste of equipment space and printing costs) or "too big to use" (equipment) (equipment molding size is not enough to print large castings).
2. Considering future business expansion
   1. Combined with the enterprise's market planning for the next 3-5 years, new product development plan, prejudge the casting size changes that may be involved. If you plan to develop the wind power equipment castings business, you need to investigate in advance the size of wind power hubs, blades and other large castings (wind power hub diameter of up to 3-5 meters), to reserve enough space for equipment upgrades;
   1. If large castings are only occasionally undertaken, consider 3DPTEK's 3DPTEK-J4000 Ultra-large size printer (maximum molding size 4000×2000×1500mm), or "sand cut block + combined assembly" printing strategy (3DPTEK equipment supports localized printing, which facilitates the operation of the cut block), to reduce the cost of equipment procurement.
3. Handling of special size requirements
   1. For castings with special dimensions such as extra-long, extra-wide, extra-thin, etc. (e.g., elongated shaft castings with an aspect ratio of more than 5:1, thin-walled parts with a thickness of less than 5mm), it is necessary to examine the printing accuracy and stability of the equipment in addition to the molding dimensions. 3DPTEK's bonded injection technology ensures that the molding of special-sized castings is performed with a high degree of precision of ±0.3mm, thus avoiding the scrapping of castings due to deviations in dimensions. avoid scrapping the castings due to dimensional deviation.

Second, suitable for the casting material equipment parameters selection

Different casting materials (e.g. cast iron, cast aluminum, cast steel) have different requirements for sand strength, air permeability and gas generation, which need to be matched with the corresponding equipment parameters and material technology:

1. Material properties and sand demand analysis
   1. Cast iron parts: due to the good fluidity of iron and moderate solidification shrinkage, the strength of the sand mold is required to be high (tensile strength ≥ 0.8MPa) to prevent the sand mold from erosion and breakage during pouring. The high-strength furan resin binder matched with 3DPTEK equipment, together with silica sand, can meet the needs of sand mold printing for cast iron parts;
   1. Aluminum casting: Aluminum liquid solidification speed is fast, easy to absorb air, the sand type is required to have good air permeability (air permeability value ≥ 150) and low outgassing (outgassing ≤ 15ml/g), to avoid casting porosity defects. 3DPTEK's open-source material process can be adjusted according to the needs of the binder formula, suitable for ceramic sand, zirconia sand and other low outgassing, high air permeability sand, to meet the casting of aluminum casting sand print.
2. Material compatibility and parameter adjustment
   1. The 3DPTEK sand 3D printer supports a wide range of casting sands (including quartz sand, pearl sand, chromite sand, etc.), allowing companies to choose sand materials flexibly according to casting materials and cost considerations. For example, when producing high-end stainless steel castings, zirconium sand (high temperature resistant and chemically stable) is used with 3DPTEK's special binder to improve the sand mold's anti-washout and anti-sticking properties;
   1. The nozzle parameters (e.g., orifice diameter, spraying frequency) and heating and curing parameters (curing temperature and time) of the equipment need to be precisely adjusted according to the characteristics of the sand material and the type of binder. For example, when using fine-grained quartz sand, it is necessary to reduce the diameter of the spray hole (e.g., from 0.3mm to 0.2mm) and increase the spraying frequency to ensure that the binder evenly covers the sand particles; for thermosetting binder, it is necessary to optimize the heating curing curve (e.g., increase the curing temperature from 150℃ to 180℃, and extend the curing time from 30 seconds to 45 seconds), so as to ensure that the strength of the sand pattern curing.
3. New material application and technical support
   1. As the casting industry's demand for high-performance, lightweight castings increases, new types of sand materials (such as composite sand mixed with metal powders and nano-modified sand) are gradually being applied. 3DPTEK continues to research and develop new material processes that can be customized to meet the needs of enterprises and customize material solutions to help them quickly realize the application of new materials in sand printing.

Comprehensive Advantages of 3DPTEK Sand 3D Printers

1. Full-size product matrix: 3DPTEK has a full line of sand 3D printers ranging from 1.6 meters to 4 meters in size, including 3DPTEK-J1600Pro,3DPTEK-J1600Plus,3DPTEK-J1800,3DPTEK-J1800S,3DPTEK-J2500,3DPTEK-J4000 A variety of models, such as to meet the different sizes of enterprises, different sizes of castings printing needs, to avoid enterprises due to the limitations of equipment specifications missed orders.
2. open source material processIt supports users to adjust the binder and sand material formula as needed to reduce the material cost 20%-30%. At the same time, it is equipped with high-performance resin binder, curing agent and cleaning agent to ensure the stable quality of sand molding and solve the problems of material selection and process optimization of the enterprise.
3. High-precision molding technologyThe company adopts piezoelectric inkjet technology, high-resolution inkjet system, and special binder formula to realize ±0.3mm high-precision printing, which effectively reduces the machining allowance of the castings, improves the quality of the castings and the production efficiency, and is especially suitable for aerospace, automotive and other industries with stringent requirements for precision.
4. Flexible area molding without sand boxAs 3DPTEK-J4000 Innovative use of sandbox-free flexible area molding technology, support for local printing, can economically and efficiently realize the manufacture of oversized sand molds, compared with the traditional box printing, the equipment footprint is reduced by more than 30%, and the printing cost is reduced by 15%-20%.

Through the above selection strategy based on casting size and material, combined with the comprehensive advantages of 3DPTEK sand 3D printers, enterprises can accurately match the parameters of the equipment to achieve a high degree of compatibility between equipment performance and production needs, and at the same time improve the quality of castings, reduce production costs and enhance market competitiveness.

2025 砂型 3D 打印機選型指南：根據(jù)鑄件尺寸、材質(zhì)選對設備參數(shù)最先出現(xiàn)在三帝科技股份有限公司。