I. What is Sand 3D Printing? Core Definition + Process Characteristics (different from traditional mold making)

Sand 3D printing is based onPrinciples of Additive ManufacturingThis is an industrial technology that directly transforms digital CAD models into solid sand molds / cores. Instead of the traditional "mold-making - sand-turning" process, the sand mold is formed by laying sand layer by layer on the printer and curing it by spraying a binder. The core process isBinder jetting technologyThe J1600Pro, J2500, and J4000 models from 3DPTEK, for example, offer significant advantages over conventional molding:

Second, the foundry must use sand 3D printing 4 core reasons (to solve the industry pain points)

1. Reduced cycle time 80% for fast response to order requirements

While traditional processes take 2-4 weeks to produce complex sand molds (e.g. pump bodies, turbine casings), sand 3D printing takes only 1-2 days. Especially suitable forPrototype molding, small batch customization, emergency spare parts productionScenario -- A foundry uses the 3DPTEK J1600Pro to print sand molds of pump bodies from design to delivery in just 36 hours, a reduction of 80% compared to the traditional process, helping to bring products to market 2 weeks earlier.

2. Breaking through structural limitations and realizing difficult casting

Sand 3D printing eliminates the need for "mold release" issues, making it easy to create designs that would be impossible with traditional processes:

1. in the field of aerospaceTurbine blade internal cooling channels(The traditional process requires more than 5 sets of sand cores to be disassembled, which is prone to assembly errors);
2. AutomotiveLightweight thin-walled motor housing(Wall thickness can be as low as 2mm, conventional sand type is prone to fracture);
3. industrial machineryIntegrated oil passages transmission housing(Reduces post-drilling process and reduces scrap rate).

3. Long-term cost reductions 40%, offsetting equipment input costs

Despite the high initial investment in sand 3D printers, the cost advantage is significant when calculated over the full life cycle:

• Elimination of mold production costs (a set of large metal mold cost more than 100,000 yuan, 3D printing can be completely eliminated);
• Reduced scrap rate (digital design + simulation optimization, casting scrap rate reduced from 15% to less than 5%);
• Reduced labor costs (automated printing eliminates the need for manual assembly of multiple sand cores, reducing labor by 50%).

4. Comply with environmental requirements and realize green production

As global environmental regulations tighten (e.g., the EU REACH standard), sand 3D printing meets the need for environmental protection through two main technologies:

• adoptionLow Emission Binder(3DPTEK proprietary formulation with VOC emissions below industry standard 50%);
• Uncured sand can be 100% recycled, reducing solid waste generation and environmental treatment costs.

Three, sand 3D printing principle: 4 steps from design to sand (full process automation)

Sand 3D printing (binder jetting technology) is a simple, highly automated process that requires no complex human intervention, with the following core steps:

1. Digital Design and Simulation: Engineers use CAD software to build sand models, and simulate the flow of liquid metal, cooling and shrinkage processes through the 3DPTEK casting simulation system to optimize the pouring system and riser position of the sand model, so as to avoid defects such as shrinkage holes and porosity in the castings;
2. Layer-by-layer molding: The printer automatically lays down 0.26-0.30mm thick sand (quartz sand/chromite sand optional) and then, based on the slicing data, sprays the binder on the area to be cured and builds up the sand pattern layer by layer;
3. Curing and sand cleaning: After printing, the sand model is left to cure (strengthen) in a closed environment for 2-4 hours, after which the uncured loose sand (which can be recycled directly) is blown out with compressed air;
4. Casting and post-processingThe molten metal (aluminum alloy, steel, copper alloy, etc.) is poured into the sand mold, which is then cooled, cracked and removed for finishing - the entire process requires no human intervention in the sand mold making process.

Parameters of 3DPTEK Sand 3D Printer (Applicable to Different Industries)

3DPTEK, as an industry leader, has introduced several models of sand printers covering small to very large casting needs with the following core parameters:

Core AdvantagesAll models support "sand + binder" custom formulations, and 3DPTEK has over 30 proprietary formulations to match the needs of different alloys (e.g., aluminum alloy casting for low-viscosity binder, steel casting for high-temperature-resistant sand).

V. Sand 3D printing 4 major industry application scenarios (with actual cases)

1. The automotive sector: core support for the electrification transition

• Application Scenarios:Electric vehicle water-cooled motor housing, lightweight battery tray sand molding.;
• Example: A commercial electric truck manufacturer used the 3DPTEK J2500 to print a sand mold of the motor case, realizing an "integrated cooling channel" design, which improved the motor cooling efficiency by 30%, while reducing the weight of the case by 25% and increasing the range by 50km.

2. Aerospace industry: high-precision casting of complex parts

• Application Scenarios:Turbine blades, aero-engine combustion chamber sand molding.;
• Advantage: The dimensional accuracy of the sand mold reaches CT7 level, which meets the requirement of "zero error" for aerospace parts, and at the same time, avoids the scrapping of blades caused by the assembly error of traditional sand cores.

3. Industrial machinery industry: core components for large equipment

• Application Scenarios:Sand molding of large pumps and compressor housings.;
• Case: A heavy industry enterprise used 3DPTEK J4000 to print a 4-meter-long pump body sand mold, the traditional process requires the production of three sets of metal molds (costing more than 300,000 yuan), 3D printing directly eliminates the cost of molds, and shortens the production cycle from 4 weeks to 3 days.

4. Energy and marine industry: manufacture of very large castings

1. Application Scenarios:Ship propeller, wind turbine shell sand molding.;
2. Advantage: The J4000 model's 4-meter wide print size allows for the printing of very large sand molds in one pass, eliminating the need for splicing and reducing mold-fitting defects in castings.

Why choose 3DPTEK sand 3D printing solution? (4 core competencies)

1. Full-scene equipment coverage, adapting to different capacity needs

From 1.6-meter compact machines (J1600Pro) to 4-meter ultra-large machines (J4000) forSmall batch trial production to large scale mass productionThe J1600Pro is available for small and medium-sized foundries with a capacity of 5-8 sand molds per day, and the J4000 is available for large foundries with a capacity of 2-3 oversized sand molds per day.

2. Proprietary material formulas to ensure casting quality

3DPTEK has more than 30granule – Exclusive formulation for bonding agents, optimized for different alloys:

1. Aluminum alloy casting: low viscosity binder, good sand permeability, reduce casting porosity;
2. Steel casting: high-strength binder, sand mold high temperature resistance (more than 1500 ℃), to avoid the defect of sand washing;
3. Copper alloy casting: low ash binder to prevent inclusions on the casting surface.

3. Integrated technical support to reduce the difficulty of transition

Provide "equipment + software + service" full-process support:

1. free of chargeCasting Simulation Software(Optimize sand design and reduce trial and error costs);
2. Inside the casting technology center, can assist customers in sand testing, casting process debugging;
3. Provide operator training (1 to 1 instruction to ensure equipment operation within 3 days).

4. Global after-sales network to ensure production stability

The equipment has been landed in more than 20 countries in Europe, Asia, the Middle East, etc., and the after-sales response speed is fast:

1. Domestic 24-hour door-to-door service (48 hours for remote areas);
2. 5 service centers abroad (Germany, India, USA, etc.) for quick replacement of spare parts;
3. Free equipment maintenance 2 times a year to extend the life of the equipment (average life of more than 8 years).

VII. Future Trends of Sand 3D Printing in 2025 (3 Directions to Watch)

1. AI+3D Printing for Zero Defect Casting

The future of sand 3D printing will be integratedAI Design Optimization System-- Input casting parameters (material, size, performance requirements), AI can automatically generate the optimal sand structure, while real-time monitoring of the printing process, by adjusting the amount of binder injection, sand laying thickness, to avoid cracks, uneven density and other problems in the sand, to achieve "zero defects " production.

2. Closed-loop sand recycling, material utilization rate of 98%

exploit (a resource)Automatic Sand Recovery SystemIn addition, the uncured sand and old sand will be screened, decontaminated and recycled, and the material utilization rate will be increased from the current 90% to more than 98%, which further reduces the material cost and meets the requirements of the "Double Carbon" policy.

3. Multi-material composite printing to expand application boundaries

The future of sand 3D printers will enable "sand + metal powder" composite printing - printing metal coatings on critical parts of the sand model (e.g., gates) to improve the sand model's high-temperature resistance, and to accommodateUltra-high strength steel, titanium alloyRefractory alloys such as casting, expanding the application in the field of aerospace, high-end equipment.

VIII. Conclusion: Sand 3D printing is not an "optional technology" but a "must-have transformational tool"

In the increasingly competitive metal casting industry, "fast response, complex structure, green cost reduction" has become the core competitiveness - sand 3D printing by shortening the cycle time of 80%, realizing difficult designs, long-term cost reduction 40% and help foundries break through traditional process constraints.

3DPTEK, as a leading company in the field of sand 3D printing, provides customized solutions for foundries of different sizes through multiple models of equipment, exclusive material formulations, and integrated technical support. Whether in the automotive, aerospace, industrial machinery or energy sectors, choosing sand 3D printing means choosing the double advantage of "cost reduction and efficiency + technological leadership", which is also the core way for foundries to survive in 2025 and beyond.

砂型 3D 打印技術：2025 年重塑金屬鑄造行業，縮短 80% 周期 + 降本方案解析最先出現在三帝科技股份有限公司。

Figure: Sanhe Precision and SanDi Technology sign strategic cooperation agreement

Figure: Goodyear Mould and SANDI Technology signed a strategic cooperation agreement

Cangzhou Bohai Sanhe Precision Manufacturing Co., Ltd. is a high-end casting head enterprise formed by a joint venture of several enterprises, including Japan Concord Foundry and Tianjin Binrui Trading, focusing on the research, development and production of precision castings for intelligent valve bodies, aviation hydraulic systems, gearboxes and other precision castings. In this cooperation, Sanhe Precision will introduce 3DP sand printing equipment of SANDI Technology to optimize the product development process and improve the production efficiency of complex castings, further consolidate its leading position in the global precision casting market and accelerate the upgrade to intelligent manufacturing.

Goody Mould (Shenyang) Co., Ltd. is a leading precision mold manufacturer in China, focusing on the design and production of molds for complex curved structural components such as industrial machinery, marine pumps and valves. Goody Mould will introduce SANDI's 3DP sand printing equipment for rapid verification of metal molds before development, which will significantly shorten the product development cycle, reduce the cost of the molds, and further enhance its competitiveness in the high-end mold market.

As a leading provider of 3D printing equipment and additive manufacturing services in China, SANDI Technology is committed to providing users in the foundry industry with all-round support from process optimization to production verification through its self-developed 3DP sand printing and SLS sand/wax equipment. In order to meet diversified market demands, based on 30 years of accumulation of powder laying technology, SANDI Technology has formed a complete product line of sand printing equipment, including 1.6m, 1.8m, 2.5m, 4m and other size series, covering the full size of 3DP casting sand printing from millimeter to meter level, which can meet the manufacturing needs of products of different sizes and materials, and, with lower unit cost and shorter delivery time, can help users maximize productivity.

Figure: 3DP casting sand printing equipment independently developed by SANDY Technology3DPTEK-J1600Pro/J1600Plus/J1800/J2500/J4000

From May 20-23, SANDI Technology is showcasing oversized casting sand printing and a full range of 3D casting solutions on-site during the China International Casting Expo, welcome to visit SANDI's booth (Hall S8-A06, Tianjin National Convention and Exhibition Center) to exchange ideas!

第23屆中國鑄博會開展首日，三和精密、固德模具與三帝科技達成戰略合作最先出現在三帝科技股份有限公司。

As a foundry owner, do you encounter this situation often?

--Customers want to do small quantities of trial parts, do a metal mold to 200,000, the result of the order is only 50 pieces, a calculation found that the mold cost more than the money earned, can only give up the order!
--The customer had an order for an aerospace part with honeycomb structure, and the traditional sand core assembly error was bigger than the part size, so it was a big headache to stare at the scrapped casting!
--Competitors with 3D printing took a well-known automotive battery pack orders, their own offer is lower than others 30% or did not win the bid, and finally inquired about the delivery of people faster than us 2 months, very helpless!

--Customers do not move to change the design of the warehouse piled up more than 300 sets of scrap molds, checking the accounts found that the mold inventory occupied half a year of profit, which is too painful to taste!

--Customers sent a complex structure of the pieces over, and said that the price is not a problem, an assessment found that the traditional casting process can not be done, looking at such a high value-added orders can only be given up!

Below we help all bosses one by one to sort out clearly, an article to let you fully understand the 3D printing sand casting technology!

What is sand 3D printing?

Sand 3D printing is a relatively new technology, simply put, is like building blocks, with special materials layer by layer "pile" out of the casting sand.

In the past, the traditional method of making sand molds may need to make molds first, and then use the molds to shape, the process is more complicated, and if you want to make some sand molds with very strange and complex shapes, it will be particularly difficult and costly. But sand 3D printing is different, it works with a 3D model in your computer. You input the data of the 3D model of the designed casting into the 3D printer, and the printer will, according to the shape and structure of the model, put special sand or sand-like materials, according to the layer by layer in a precise way and bonded up, just like using countless thin "sand pieces" gradually built into a complete sand mold. In this way, no matter how complex the shape, as long as it can be designed in the computer, it can be printed out, and the speed is quite fast, and do not need to make complex molds like the traditional method, can save a lot of time and cost it.

Principle of Sand 3D Printer

Sand 3D printing is usually done usingBinder Jetting (BJ)The basic principle is as follows:

1. spread sand: The printer spreads a specific casting sand (e.g. silica sand, ceramic sand or coated sand) evenly over the printing platform.
2. spray binder: The spray nozzles precisely spray the binder according to a computer model (CAD data) to bond the sand grains in a specific area.
3. pile up repeatedly: The platform is lowered, sand is spread again and the binder is sprayed, curing and molding layer by layer until the entire sand print is completed.
4. reprocess: Remove unbonded loose sand, harden and clean the printed sand model, which can then be used for metal casting.

What are the core problems addressed by 3D printed sand casting?

The existence or birth of each technology must have its "mission". Commonly known as a solution to a particular problem, to meet market demand, this is the value of its existence. Below we take a look at the sand 3D printing technology to solve the thorny problems encountered in the traditional casting, as follows:

• Manufacture of complex shaped partsTraditional sand casting to manufacture complex shapes is difficult and costly, such as aviation engine blades inside the fine cooling channels, traditional processes are difficult to accurately mold. 3D printing sand based on digital models, can easily turn complex shapes into reality, from the dense concave, raised automotive engine block sand, to have a subtle biomimetic structure of the shell of the medical device sand, can be perfectly rendered.
• long production lead timeTraditional sand casting need to go through a long process of designing molds, manufacturing molds, debugging molds, large-scale mold manufacturing cycle often exceeds a few months. 3D printing sand without mold production, directly according to the digital model printing, design modification is only required to operate the model on the computer, reprinting can be, can significantly shorten the production cycle. Such as research and development of new automotive engine block, the traditional casting mold scrap remake at least two weeks, 3D printing sand can be completed on the day of the new model printing, the next day can be put into casting.
• Difficulty in cost controlTraditional casting mold manufacturing material waste is serious, the utilization rate of complex mold materials is less than 30%, and high labor costs. 3D printing sand on-demand printing, accurate sand, material utilization rate of more than 90%, reduce waste. High degree of automation of the printing process can reduce labor costs. Take a small foundry as an example, with an annual production capacity of 5,000 pieces of small pipe fittings castings, after the introduction of 3D printed sand, the material cost will be reduced by 150,000 yuan per year, and the labor cost will be cut by 200,000 yuan.
• Low precision of castingsThe traditional sand mold due to mold wear, parting surface fitting error, casting size deviation often exceeds ±1mm, subsequent machining allowance, material waste, and prone to local loosening, sand entrapment and other defects, resulting in uneven mechanical properties of the casting. 3D printing of the sand model by the digital model of the precise drive, sand size accuracy of up to ±0.5mm, can achieve uniform compactness, to avoid uneven sand loose, and at the same time optimize the solidification process to significantly reduce shrinkage holes, shrinkage, to ensure reliable internal quality of the casting. At the same time, the solidification process is optimized, greatly reducing shrinkage holes and shrinkage loosening, and ensuring stable and reliable internal quality of castings.
• High environmental pressureTraditional casting mold manufacturing produces a large amount of waste metal, waste plastic, sand processing waste sand piles up. 3D printing sand production, unused sand can be recycled and reuse, very little waste, and the printing process does not require a large number of chemical binders, reducing the emission of hazardous gases, and improve the workshop environment. According to statistics, after the adoption of 3D printing sand mold, the casting workshop waste emissions reduced by more than 80%, dust, harmful gas concentration of environmental standards.

How does a foundry evaluate if they need to buy a sand 3d printer?

The price of a sand 3D printer is not cheap (usually the larger the size the more expensive), to buy is relatively cautious, especially small and medium-sized foundries. In order to help bosses to assess whether there is a need to buy, we have specially organized the following some evaluation points, to give the boss of the traditional foundry a reference, and then according to their own situation to decide whether to buy:

production requirement

• Product complexity: If the foundry often produces complex shapes, castings with fine structure or internal channels, such as aero-engine blades, automobile cylinder blocks, etc., the traditional process is difficult to meet the requirements, sand 3D printer can play an advantage.
• Production size and lot size: For small-volume, multi-variety casting production, sand 3D printers offer the flexibility to quickly switch products without the need to make molds, reducing costs and cycle time. However, for large-scale, single-species castings, traditional processes may be more cost-effective.
• Delivery period requirementsThe sand 3D printers allow for shorter lead times and quicker order response if the customer has stringent lead times.

cost-effectiveness

• Investment in equipmentThe cost of purchasing a sand 3D printer, installation and commissioning costs, and maintenance costs need to be taken into account.
• running cost: Includes printing materials, energy consumption, and labor costs. Compare with the traditional casting process and analyze the high and low long-term running costs.
• potential gainConsider the potential benefits of using sand 3D printers in terms of improved product quality, shorter cycle times, and lower scrap rates.

technical capability

• Employee Skills: Evaluate how well your current employees know 3D printing technology and whether you need to train or recruit specialized talent.
• Technical Support: To understand the technical support capability of the equipment supplier, including whether the services such as installation and commissioning, training and fault repair are timely and effective.

market competition

• Industry Trends: Keep an eye on your peers to see if they are already adopting sand 3D printing, and if competitors are already using it and gaining an advantage, foundries may need to consider purchasing it in order to remain competitive.
• client needThe purchase of sand 3D printers can help to meet the needs of customers who want to see foundries adopting advanced technologies to improve product quality and productivity, as well as to increase their competitiveness in the marketplace.

environmental requirement

• If the local environmental protection requirements are strict, the traditional casting process is under great pressure in terms of waste sand treatment and exhaust gas emission, etc., sand 3D printers can help enterprises meet the environmental protection requirements due to the advantages of high material utilization rate and low waste.

What kind of talent is needed for sand 3D printing?

Considering that many traditional foundry enterprises may not be equipped with 3D printing sand casting related professionals, we have specially organized the position of workers need to have what aspects of the skills and usual job duties, so that factories in the recruitment of reference.

Professional Requirements:

1. Mechanical Engineering, Materials Science, Foundry Engineering, Additive Manufacturingand other related majors;
2. Familiarity with sand 3D printing (Binder Jetting) technology and experience in operating related equipment is preferred;
3. skillful useCAD, 3D modeling software (e.g. SolidWorks, AutoCAD, Magics, etc.), with basic data processing skills;
4. Understand the casting process, familiar with sand material properties, post-treatment process and common casting defects analysis;
5. Ability to maintain and troubleshoot equipment and independently solve common problems in equipment operation;
6. Good teamwork skills, able to work closely with casting engineers and production team to optimize the production process;
7. Strong learning ability to quickly grasp new technologies and a keen interest in the application of additive manufacturing in the foundry industry.

Job Description:

1. be in charge ofSand 3D Printerday-to-day operations, including equipment commissioning, print job execution and quality control;
2. Process 3D printing data, including CAD model optimization, slicing and printing parameter settings;
3. Supervise the printing process to ensure that the quality of the sand mold meets the casting requirements and that the necessary post-processing (e.g., cleaning, hardening, etc.) is performed;
4. Responsible for the maintenance of equipment, troubleshooting and solving problems in the printing process to ensure stable equipment operation;
5. Collaborate with the casting technology team to optimize the process of 3D printing sand molds to improve casting quality and production efficiency;
6. Research and introduce new materials and processes to continuously improve the application of sand 3D printing in casting production;
7. Responsible for in-house training of personnel on 3D printing technology to improve the overall technical level of the team.

summarize

In summary, sand 3D printing technology has brought many opportunities and changes for traditional foundries, which can effectively solve a series of thorny problems faced by the traditional casting process, such as the manufacturing of complex shaped parts, long production cycle, difficult to control the cost, poor casting accuracy and environmental protection pressure. Through a comprehensive assessment of production demand, cost-effectiveness, technical capabilities, market competition and environmental requirements, foundry owners can be more scientific and rational judgment whether to introduce sand 3D printer. Equipped with professional technical personnel, is to ensure that this technology in the foundry in the smooth landing, play the key to maximize performance.

In the increasingly competitive foundry market, take the initiative to embrace new technologies, and actively make changes, may be able to seize the first opportunity to realize the transformation and upgrading of enterprises and sustainable development. For traditional foundries, sand 3D printing technology is not only a technology change, but also a breakthrough in the development of bottlenecks, enhance core competitiveness of the perfect opportunity. I hope that all foundry bosses can combine the actual situation of their own enterprises, fully weigh the pros and cons, to make the most suitable for the long-term development of the enterprise's decision-making, so that the enterprise in the tide of the times to ride the waves, sailing to a broader market blue sea.

3D打印砂型鑄造，傳統鑄造廠老板必看最先出現在三帝科技股份有限公司。

I. High-precision and complex structure manufacturing capability

Sand mold 3D printers are able to create sand molds with extreme precision, which is essential for producing high-quality castings. While traditional methods of sand mold making are often overwhelmed by the complexity of the structures, 3D printing makes it easy. It is able to accurately reproduce every detail of a design drawing, whether it is a complex internal cavity, a fine texture or a thin-walled structure. This high-precision manufacturing capability not only improves the dimensional accuracy and surface quality of the castings, but also reduces subsequent machining processes and production costs. For example, in the aerospace field, some key components require extremely high precision, and sand mold 3D printers can produce sand molds that meet strict standards, thus ensuring the quality and performance of the final casting, and meeting the demanding requirements of aerospace products for safety and reliability.

II. Shortening the production cycle

The traditional sand mold production process is usually more cumbersome, need to go through the mold design, production, assembly and other aspects, consuming a lot of time. Sand mold 3D printer greatly simplifies this process, it can be directly based on the digital model of the sand mold layer by layer printing, without the need to make molds and complex assembly operations. This shortens the production cycle significantly, enabling companies to bring products to market faster and seize the first opportunity. Taking automobile manufacturing as an example, the development cycle of new models is often very tight, sand mold 3D printer can make sand molds for automobile engines and other parts in a short period of time, accelerating the trial production process, helping enterprises to verify and optimize their products faster, and improving the overall research and development and production efficiency.

III. Cost reduction

The purchase of a sand mold 3D printer requires a certain initial investment, but in the long run, it can bring significant cost reductions for enterprises. On the one hand, as mentioned earlier, it reduces the mold making and assembly in the traditional sand mold making process, reducing labor costs and mold costs. On the other hand, as 3D printing can realize high-precision manufacturing, it reduces the scrap rate and subsequent processing costs. In addition, 3D printing technology can also optimize the design of the sand mold, so that it meets the requirements of the premise of more lightweight, thus reducing the use of casting materials, further reducing costs. For some small batch but a variety of products for the enterprise, sand mold 3D printer cost advantage is more obvious, because it does not need to make a special mold for each product, greatly reducing the production cost and inventory pressure.

IV. High degree of design freedom

Sand mold 3D printers offer designers a high degree of design freedom. Traditional manufacturing processes are often limited by the structure of the mold and the manufacturing method, and designers need to consider many process factors when designing a product, thus compromising the design. 3D printing technology, on the other hand, breaks down these limitations and allows designers to give full play to their imagination and design more innovative and unique product structures. For example, they can design castings with complex internal runners to optimize product performance, such as improving heat dissipation efficiency or fluid flow performance. This increased design freedom not only helps companies develop more competitive products, but also promotes innovation in the industry as a whole.

V. Personalization

With the diversification of market demand and the trend of individualization becoming more and more obvious, personalized customization has become an important development direction of the manufacturing industry. Sand mold 3D printer can precisely meet this demand, it can according to the customer's specific requirements, quickly create a unique sand mold, to achieve personalized custom production. Whether it is a single piece of customization or small batch customization, sand mold 3D printer can easily deal with. This is important for some high-end equipment manufacturing, medical equipment and other fields.

VI. Environmental protection and sustainable development

In today's era of environmental protection and sustainable development, sand mold 3D printers also have certain advantages. The traditional sand mold production process will produce a large number of waste and pollutants, such as waste mold materials, chemical reagents, etc., causing greater pressure on the environment. The sand mold 3D printer in the manufacturing process is relatively more environmentally friendly, it is mainly used in sand and other environmentally friendly materials, and can be optimized through the design and printing parameters to reduce the waste of materials. In addition, because 3D printing technology can achieve precision manufacturing, reducing the production of scrap, further reducing the impact on the environment. Therefore, the purchase of sand mold 3D printers is in line with the company's environmental philosophy and social responsibility, and helps the company achieve sustainable development.

To sum up, purchasing sand mold 3D printer has many advantages, including high precision and complex structure manufacturing ability, shorten the production cycle, reduce costs, high design freedom, personalized customization and environmental sustainability. For modern manufacturing enterprises, sand mold 3D printer is not only a kind of advanced production equipment, but also an important tool to enhance the competitiveness of enterprises and realize innovative development and sustainable development. With the continuous progress of technology and the continuous expansion of the application, I believe that the sand mold 3D printer will play an important role in more areas, for the development of the manufacturing industry to bring new opportunities and changes. Therefore, when considering the production upgrade and development strategy of enterprises, the purchase of sand mold 3D printer is a choice worth serious consideration.

為什么要購買砂模3D打印機最先出現在三帝科技股份有限公司。

This sand 3D machine is a technological breakthrough. It adopts the sandbox-less flexible zone molding technology, an innovation that allows it to mold sand molds up to 4 meters in size, and can customize the extended printing platform according to the actual needs, even to meet the production needs of the 10 meter + level, and the 7 meter machine is now available for pre-order. This breakthrough breaks the traditional casting equipment in the size of the limitations, for the production of large castings to provide the possibility. In the past, the manufacture of large sand molds faced many difficulties, not only requiring huge equipment and complex processes, but also high costs and low efficiency. The emergence of 3DPTEK-J4000 has changed this situation, making the manufacture of large sand molds more convenient and efficient.

In terms of economic performance, this domestic sand 3D machine also has significant advantages. It breaks the conventional phenomenon that the larger the molding size of the equipment, the higher the price, 4 meters and larger size equipment and 2.5 meters equipment price difference. This means that companies can obtain larger sand molding capacity at a lower unit cost, significantly reducing production costs. At the same time, the shorter delivery time also improves productivity and enhances market competitiveness. In today's fierce market environment, cost and efficiency are the key factors for the survival and development of enterprises, 3DPTEK-J4000 undoubtedly provides strong support for foundry enterprises.

In terms of equipment parameters, 3DPTEK-J4000 also demonstrates its professionalism and advancement. The main body covers an area of 21000×7000×4000mm and weighs about 45t, such a huge body contains fine craftsmanship. The resolution of the nozzle is up to 400dpi, which can guarantee the precision and quality of the sand mold, and the molding thickness is between 0.2 - 0.5mm, which can meet the requirements of different castings. In terms of molding materials, it is compatible with quartz sand, ceramic sand and other materials, providing more choices for enterprises.

3DPTEK-J4000 The application areas are wide-ranging and cover a number of important industries such as aerospace / space, high voltage electrics, energy power, industrial machinery / marine pumps and valves, automotive (fuel / new energy) and many others. In the aerospace industry, high precision sand molding is essential for manufacturing complex aero-engine components and spacecraft structures. This sand molding 3D machine can meet the strict requirements of aerospace parts for precision and performance, providing strong technical support for the development of China's aerospace industry. In the automotive industry, whether it is a fuel-fired vehicle or a new energy vehicle, the manufacture of key components such as engine blocks and transmission cases requires high-quality sand molding. 3DPTEK-J4000 can be used to improve the manufacturing precision and efficiency of automotive parts, reduce production costs, and improve the overall performance and quality of the automobile.

In addition, 3DPTEK-J4000 also focuses on after-sales service, good after-sales service is an extension of product quality, which can make users feel more at ease in the process of use, solve problems encountered in a timely manner, and ensure the smooth progress of production.

The appearance of the latest domestic large-size sand 3D machine 3DPTEK-J4000 is the result of the continuous innovation and development of China's manufacturing industry. With its advanced technology, superior performance, wide range of applications and perfect after-sales service, it brings brand new development opportunities for the foundry industry. Here is an article discussing in detail asWhat to buy sand 3D printerThe

In the future, with the continuous progress of 3D printing technology and the in-depth promotion of its application, I believe that this sand 3D machine will play an important role in more fields, promote the development of manufacturing industry to the direction of high-end, intelligent and green, and inject a new impetus for high-quality development. We also look forward to domestic 3D printing technology can continue to innovate, make more breakthroughs, in the international arena to show the strong strength of China's manufacturing industry.

國產最新大尺寸砂型 3D打印機：創新引領鑄造業變革最先出現在三帝科技股份有限公司。

Recently, the list of "2024 Global Foundry Industry Innovative Technology and Product Awards" was announced.Beijing SANDI Technology Co.(hereinafter referred to as "SANDY Technology") was honored as "2024 Global Foundry Industry Innovative Technologies and Products" for its self-developed large-size 3DP sand printer 3DPTEK-J4000.

The equipment breaks through the traditional processing size limitations, and can form sand molds of up to 4 meters. Innovative use of no sand box flexible area molding technology, support for local printing, only 2 meters + the price of the equipment, can be economically and efficiently realize the manufacture of sand molds of oversized (7 meters of equipment synchronization to accept reservations). At the same time, the company provides open-source material process, 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.

For more details, please pay attention to the "75th World Foundry Conference", which will be held in Deyang City, Sichuan Province on October 26-28, SANDY will bring 3D casting solutions (Booth No. B13) to the exhibition and make a wonderful sharing in the "2024 Global Foundry Innovation Technology and Product Launch" on the 27th. Innovative technologies and products conference" in the 27th to do wonderful sharing.

Chart:3D Casting Solutions

三帝科技4米3DP砂型打印機榮登2024全球鑄造行業創新技術與產品榜單最先出現在三帝科技股份有限公司。

August 10, by the 27 provinces (cities, autonomous regions) 4 cities Foundry Society and the Hong Kong Foundry Industry Association hosted the 23rd National 27 provinces (cities, autonomous regions) 4 cities and 1 region casting academic conference was held in Guiyang. The meeting focused on the theme of "aerospace - casting strong country", from the national school / association of experts, leaders and entrepreneurs on behalf of more than 200 people gathered together to talk about the development of the industry. Beijing SANDI Technology Co., Ltd. participated in the co-organization of the conference.In the forum of the conference on the morning of the 10th, Dr. Zong Guisheng, Chairman of the Board of Directors of Beijing SANDI Technology Co., Ltd. made a keynote report titled "3D Printing Empowers Casting". Dr. Zong Guisheng proposed that the core mark of advanced manufacturing technology is low cost, high efficiency and quality. Compared with the traditional casting process, 3D printing technology in the field of high-end complex structural casting with efficiency, cost and quality advantages. In the report, Dr. Zong Guisheng through the demonstration of the use of three emperor technology SLS coated sand core and 3DP resin sand shell combined with 3D printing composite process, the manufacture of aero-engine key components of the casting of the combination of sand molds, to achieve the large size of the thin-walled, complex and fine piping and other complex structural components of the 3D casting applications, as well as the use of three emperor technology 3DP sand combined with low-pressure precision casting technology and advanced Solidification control process, to achieve large-size thin-walled structure and complex runners of an underwater vehicle power unit key parts of the 3D casting applications, in-depth description of the 3D printing technology in sand casting applications in cost, quality, environmental protection, intelligence and other advantages.On the evening of 10th, "3D Empowerment" SANDI Technology Night Reception hosted by Beijing SANDI Technology Co., Ltd. was held in Guiyang Qunsheng Haosheng Hotel.Photo: Zhao Jin, Dean of the School of Mechanical Engineering, Guizhou University, gave a speech for the dinner partyPhoto: Dr. Zong Guisheng, Chairman of Beijing SANDI Technology Co.Figure: Yan Qun, General Manager of Guangxi Zhongyue Gravity Casting Co.Photo: Dr. Zong Guisheng and President Zhao Jin presenting prizes to the winners of the on-site raffleSANDI Technology independent research and development launched 4 meters + level of super-large size 3DP sand printer has become the dinner scene of the newest net red, the current amount of potential purchase intention of 40 million yuan. The equipment breaks through the traditional processing size limitations, the maximum molding 4 meters of sand, and creative use of the sand box without flexible regional molding technology, breaking the phenomenon of the larger the size of the equipment molding, the more expensive the equipment price, 4 meters of the equipment is only the price of the 2 meters + level of equipment, with lower unit costs and shorter delivery time, cost-effective realization of the oversized sand manufacturing, and can be customized to expand the printing platform to meet the 10 meters + level, and can be used to meet the user's needs on-demand! Customized extension of the printing platform to meet the production needs of the 10 m + level (6 m / 8 m / 10 m equipment has been in the synchronization of accepting reservations). At the same time, the company provides open source material process, can be adjusted for the user on demand; supporting high-performance resin binder, curing agent, cleaning agent, to ensure the molding quality and stability.Picture: 3D Printing Technology's "One Million Promotions Scheduled for Reduction" photo card activity, attracting many guests to participate [About 3D Printing Technology] Beijing 3D Printing Technology, Inc. is a 3D printing equipment and additive manufacturing service provider, national high-tech enterprises, specialized and special new enterprises, the Ministry of Industry and Information Technology, additive manufacturing typical application scenarios supplier. Ltd. is a 3D printing equipment and additive manufacturing service provider, a national high-tech enterprise, a specialized, refined, special and new enterprise, and a typical application scenario supplier of additive manufacturing of the Ministry of Industry and Information Technology. At the same time has a laser and binder jet 3D printing equipment and materials technology and application process, business covers 3D printing equipment, raw materials development and production, metal parts rapid manufacturing services, 3D printing process technology support services, etc., to establish a complete 3D printing additive manufacturing industry chain, widely used in aerospace, ships, pumps and valves, automotive, energy and power, industrial machinery, rail transportation, 3C electronics, education and scientific research, sculpture and cultural creation, rehabilitation and medical industries.

三帝科技3D打印設備意向訂單超4000萬，助力第23屆鑄造學術會議舉辦最先出現在三帝科技股份有限公司。

The 22nd China International Foundry Expo will be held on July 4, 2024 in Shanghai - National Convention and Exhibition Center (No. 333, Songze Avenue, Qingpu District, Shanghai), Beijing SANDY Technology Co. In order to return the support of the majority of users, our company proudly launched the "million subsidies, booking discount" new promotional activities! During the exhibition period, the booking of oversized casting sand printer 3DPTEK-J4000 and above size models, 100,000 off, limited to 10, welcome inquiries and orders!

The final interpretation of the rules of this promotion belongs to Beijing SANDI Technology Co.

Ultra-large size 3D casting sand printer 3DPTEK-J4000

SANDI Technology's self-developed oversized 3DP sand printer 3DPTEK-J4000 breaks through the traditional processing size limitations, the maximum molding 4 meters of sand. The device creatively adopted the sandbox-free flexible area molding technology, breaking the phenomenon that the larger the size of the equipment molding, the more expensive the equipment. With lower unit cost and shorter delivery time, cost-effective realization of oversized sand manufacturing, and can be customized according to user needs to expand the printing platform to meet the production needs of the 10 m + level (6 m/8 m/10 m equipment has been in the synchronization of accepting reservations).

In order to meet the diversified market demands, SANDY Technology has self-developed and launched full-size 3DP casting sand printers, SLS casting sand/wax printers and PMMA wax printers, which help users maximize their productivity with lower cost per unit and shorter delivery time.Introduction of English version of sand 3D printer

Figure: 3DP Casting Sand Printer

Figure: SLS Casting Sand/Wax Printer

Additive manufacturing services (3D casting)

With nearly 30 years of experience in 3D printing service and casting, based on the integrated technology process of "process design, 3D printing, casting, machining and testing", SANDI can provide high-quality R&D trial production, small-lot, multi-species, complex structure of metal products rapid manufacturing services. Through self-developed 3DP inkjet sand molding, SLS selective laser sintering, PMMA and other 3D printing equipment, the company has formed a full set of process solutions, such as 3DP sand casting, SLS sand casting, SLS wax mold fine casting, PMMA fine casting and so on. We can provide users with rapid manufacturing services for aluminum alloy, copper alloy, cast iron, cast steel, magnesium alloy, high-temperature alloy, titanium alloy and so on.

"SLS+3DP" sand composite process

The company's unique "SLS coated sand molding process + 3DP resin sand molding process" combination of sand mold manufacturing, complex structural components (large, thin-walled, small pipelines, etc.) can be realized in high-precision, high-strength integrated casting molding, the process has been selected by the Ministry of Industry and Information Technology of the typical application of additive manufacturing scenarios.

3DP sand casting process

No need to open the mold, can realize the large, thin-walled, fine pipeline, complex structure parts of the high-precision and high-strength integrated casting molding. Short production cycle, small batch production advantage is obvious, design flexibility, can be modified in time, reduce production costs. Improve the production environment, reduce labor intensity, save labor costs, greener, smarter.

SLS wax casting process

No need to open the mold, can realize the complex structure, thin-walled, large size products of high precision and high strength integrated precision casting molding. Short production cycle, small batch production advantage is obvious.

PMMA wax mold casting process

Significantly shorten the processing cycle, reduce production costs, no need to open the mold and add support, no warping and deformation in the molding process, reduce the post-treatment steps, and high molding accuracy. The company's self-developed materials with strong disappearance and low ash content can reduce casting defects and improve the yield rate, which has been successfully applied in the casting industry.

Contact: Manager Han

Contact: 13811566237

Website:www.hnanf.cn

Address: Building 2, No.7 House, Jin Yi Street, Shunyi District, Beijing, China

百萬補貼 預訂立減丨三帝科技3D鑄造解決方案將登陸中國國際鑄造展最先出現在三帝科技股份有限公司。

(hereinafter referred to as "SANDI"), a new generation of 3D printing equipment and rapid manufacturing service provider, comprehensively demonstrated 3D printing green rapid casting solutions such as 3DP/SLS sand rapid casting and SLS wax precision casting. (hereinafter referred to as "Longyuan Molding") won the "National Foundry Equipment Innovation Award" for its self-developed 3DP sand printing equipment AFS-J1600Pro.

AFS-J1600Pro equipment adopts international first-line high-precision, high-throughput nozzle, with high-performance molding process and intelligent algorithm technology, which can provide users with excellent molding accuracy, balanced and controllable casting performance and excellent reliability. The equipment is equipped with a new generation of high-speed vibration type powder spreading system, automatic feeding system and self-developed equipment control software, etc., sand size accuracy, high strength, low gas generation, excellent surface quality; equipment operation is simple, stable and reliable, with printing warning prompts, visual monitoring of the intelligent system can realize the whole process of processing of real-time monitoring and record traceability; open-source material process, can be adjusted for the user as needed; Matching high-performance resin binder, curing agent, cleaning agent, to ensure the molding quality and stability. The equipment can be widely used in aerospace and military, automotive, rail transportation, ship pumps and valves, construction machinery and other fields.

During the same period, the art sculpture "The Heroic Winds of the Han Dynasty" by Tongling Bronze Age Sculpture Co.

During the exhibition, SANDI Technology conducted an online live broadcast entitled "3DP Sand Printing Technology in Green Intelligent Casting Application Practice" through NJB Live Platform, which was jointly presented by Dr. Zhao Hao, Vice President of Product Technology of SANDI Technology, and Mr. Tan Dawei, General Manager of Xinxin Foundry, and attracted thousands of viewers to pay attention to the interaction.

In 2023, the Ministry of Industry and Information Technology, the National Development and Reform Commission, the Ministry of Ecology and Environment jointly issued the "Guidance on Promoting the High-Quality Development of the Foundry and Forging Industry" (Ministry of Industry and Information Technology Joint Communication and Installation 〔2023〕 No. 40), it is clearly pointed out that, by 2025, the focus of the field of high-end castings, forgings, breakthroughs in the core technology, mastering a number of core technologies with independent intellectual property rights, integrated die-casting molding, moldless casting, sand molding 3D printing, ultra-high-strength steel hot forming, precision cold temperature hot forging, lightweight high-strength alloys lightweight and other advanced process technologies to achieve industrialization and application, in the key tasks put forward to "develop advanced casting technology and equipment", focusing on the development of "short process casting, sand 3D printing and other advanced casting technology and equipment. ."

Dr. Zhao Hao analyzed and interpreted the role and business opportunities of 3DP sand printing technology in green rapid casting in his report, and shared the molding process, intelligent algorithm technology, and sand process solutions of the company's self-developed 3DP inkjet sand printing equipment.

He said that 3DP sand printing technology in green intelligent casting can be mainly used for complex, high-end product manufacturing, such as aerospace, military and other fields, improve product structure design, improve product performance; rapid R & D trial production, such as new energy automotive parts and components of the R & D trial production, to reduce the mold investment and waste, and improve the production environment; small batch multi-species manufacturing, such as ships, pumps and valves, equipment and instruments and other fields, data Data-driven, rapid flexibility, accelerate new product development. By joining hands with Xinxin Casting, SANDI can provide users with one-stop, full-process rapid casting delivery solutions.

Tan Dawei, General Manager of Xinxin Casting, further shared the process flow of 3DP sand green fast casting through several typical application cases of 3DP sand printing in actual casting production, and analyzed the positive impacts brought by 3DP technology in terms of delivery cycle, cost of small batch production, mold accuracy and economic benefits.

Through the deep cooperation with SANDI Technology, Xinxin Foundry became the first foundry in Shaanxi Province to introduce the advanced technology of 3DP sand printing fast casting, and successfully transformed into a green fast casting demonstration factory.

The exhibition will last until May 11th, China National Convention and Exhibition Center (Tianjin), SANDI Technology booth: Hall S13 - Booth D07, welcome to visit and communicate with us!

三帝科技3DP砂型打印設備AFS-J1600pro榮膺全國鑄造裝備創新獎最先出現在三帝科技股份有限公司。

As one of the new technologies of high-end equipment manufacturing, the application of additive manufacturing technology in the high-end equipment manufacturing industry has been developing rapidly, which can solve the problems of R&D trial production, small batch, integrated and complex structure product production and manufacturing in a low-cost and more convenient way. For example, 3DP sand casting technology can realize the green, low cost and high efficiency manufacturing of large size metal parts; BJM binder jetting technology can realize the rapid manufacturing of small and medium size precision metal/ceramic parts. At present, additive manufacturing in new materials, new processes of in-depth research and development applications are promoting the innovation and upgrading of industrial technology in various industries, and at the same time, the demand for new comprehensive technical skills personnel is also rapidly increasing.

At the end of 2022, the General Office of the Central Committee of the Communist Party of China and the General Office of the State Council issued the Opinions on Deepening the Reform of the Construction of a Modern Vocational Education System, which explicitly proposed to promote vocational colleges to carry out industry-industry-teaching fusion communities and municipal industry-teaching consortia. Priority is given to key industries and key fields such as the new generation of information technology industry, high-grade CNC machine tools and robots, high-end instruments, aerospace equipment, ships and marine engineering equipment, advanced rail transportation equipment, energy electronics, energy-saving and new energy vehicles, new materials, etc., to support leading enterprises and high-level higher education and vocational schools to take the lead in the formation of schools, scientific research institutes, and upstream and downstream enterprises, etc., to participate in the cross-regional Support leading enterprises and high-level higher education institutions and vocational schools to lead the formation of cross-regional industry-teaching integration communities involving schools, research institutions and upstream and downstream enterprises.

SANDI Technology focuses on additive manufacturing green additive manufacturing equipment and services, has a wealth of experience in additive manufacturing and high-end equipment manufacturing, through its Longyuan molding independent research and development of 3DP inkjet sand molding, SLS selective laser sintering, SLM selective laser melting, BJ binder jet metal/ceramic printing and other intelligent equipment and related materials, process system, forming a 3DP sand casting, SLS sand casting, SLS wax mold precision casting, BJ binder jet metal/ceramic printing, SLM gradient metal and other intelligent equipment and related materials, process system and a full set of process solutions, serving the aerospace and military, automotive, rail transportation, ship pumps and valves, construction machinery, education and scientific research, art casting and other fields. As a leading leading enterprise in the industry, SNDT can provide comprehensive, advanced and reliable additive manufacturing industry resources and service support for vocational education institutions, and promote the innovation of industry-education fusion and create an industry-industry-teaching fusion community of continuous innovation and development through the cooperation of teacher training, talent cultivation and output, curriculum innovation, scientific research cooperation and transformation, and socialization service of technology and products.

The exhibition will last until May 21st, welcome to visit SANDI booth in Hall 2, B188-B191 to have a discussion!

三帝科技增材制造：綠色快速制造推動行業產教融合創新最先出現在三帝科技股份有限公司。