3d printing equipment The most complete - SANDY TECHNOLOGY CO.

3dptek — Tue, 20 Aug 2024 01:02:20 +0000

China's foundry industry is large, stable growth rate, and occupies an important position in the global market. However, high pollution, high energy consumption and the development of the technical level is not high problems need to be solved. The "14th Five-Year Plan" for the foundry industry pointed out the direction of digital upgrading, especially in the aerospace industry, the depth of integration in the field of high-end manufacturing, but also high expectations. General Secretary Xi Jinping has repeatedly put forward to speed up the construction of "aviation power" for the development of China's aviation industry in the new era has raised expectations and pointed out the direction.

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.

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3d printing equipment The most complete - SANDY TECHNOLOGY CO.

3dptek — Mon, 01 Jul 2024 06:14:58 +0000

SANDY TECHNOLOGY Booth: Hall 4.1H, 4F05

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:srqwj.com

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

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3d printing equipment The most complete - SANDY TECHNOLOGY CO.

3dptek — Tue, 30 May 2023 09:07:00 +0000

May 8, the 21st China International Foundry Expo in Tianjin - National Convention and Exhibition Center grand opening, attracting nearly 1,000 well-known enterprises from more than 30 countries and regions and tens of thousands of professional visitors to the event.

(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.

Figure: Longyuan Molding 3DP Sand Printing Machine 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.

Figure: Oil filter holder 3DP sand mold, casting

Figure: New energy vehicle motor shell 3DP sand mold, castings and motor end cover castings

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 �?023�?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砂型打印设备AFS-J1600pro荣膺全国铸造装备创新奖最先出现在三帝科技股份有限公司�?/p>

3d printing equipment The most complete - SANDY TECHNOLOGY CO.

3dptek — Tue, 23 May 2023 09:26:00 +0000

In order to implement the spirit of the 20th CPC National Congress, deeply implement the Opinions on Deepening the Construction of Modern Vocational Education System, promote the integration of vocational education, industry and education, science and education, optimize the positioning of the type of vocational education, promote the high-quality development of vocational education, and provide high-end technical and skilled personnel for the modern industrial system, on May 19th, "Vocational Education Technology Innovation Achievements and Digital Intelligence Training Equipment Technology Exhibition", which was hosted by China Teaching Instruments and Equipment Co. Ltd. sponsored the "Education Technology Innovation Achievements and Digital Intelligence Training Equipment Technology Exhibition" in Hefei Binhu International Conference and Exhibition Center grand opening, held during the same period of the National Vocational Schools and Higher Education Schools Presidents' Joint Conference on the topic of the meeting, attracting nearly a hundred vocational colleges and universities in China and the industry's leading enterprises to join in the grand event.

(hereinafter referred to as "SANDI"), a new generation of 3D printing equipment and rapid manufacturing service provider, comprehensively demonstrated the results of additive manufacturing technology and applications, and "additive manufacturing green rapid manufacturing" to help equipment and manufacturing industry high-end, green and intelligent development and industry-industry-teaching integration community to promote talent training innovation and other hot topics for in-depth exchanges and discussions with participants. Ltd (hereinafter referred to as "SANDI"), a subsidiary of SANDI Technology, comprehensively demonstrated its additive manufacturing technology and application achievements in the meeting, and conducted in-depth exchanges and discussions with the participants on the "green additive manufacturing and rapid manufacturing" to help equipment equipment high-end, green and intelligent development of the manufacturing industry as well as the industry industry-industry-education fusion community to promote the innovation of talent cultivation.

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.

Figure: Large-size metal parts: 3DP sand rapid casting technology

Figure: Small and medium-sized precision metal/ceramic parts: BJM technology

Figure: Gradient metal technology process facilitates high-throughput material preparation

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!

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3d printing equipment The most complete - SANDY TECHNOLOGY CO.

3dptek — Fri, 28 Apr 2023 09:34:00 +0000

On May 8-11, the 21st China International Foundry Expo will be held in Tianjin - National Convention and Exhibition Center. (hereinafter referred to as "SANDI"), a new generation 3D printing equipment and rapid manufacturing service provider, will bring 3D printing green rapid casting solutions to the exhibition.

Figure: Longyuan Molding 3DP Sand Printing Equipment AFS-J1600Pro, AFS-J2100

Figure: Longyuan molding SLS constituent laser sintering equipment AFS-500, LaserCore-5300, LaserCore-6000

General Secretary Xi Jinping in the 14th National People's Congress emphasized the need to "promote the high-end, intelligent and green development of manufacturing industry". 2023 April, the Ministry of Industry and Information Technology and other three national ministries and commissions jointly issued the "Guidance on Promoting the High-quality Development of the Casting and Forging Industry" (MIIT Lian Tongzhuang [2023] No. 40) in the It is clearly pointed out that by 2025, no mold casting, sand 3D printing, lightweight and high strength alloy lightweight and other advanced process technologies to achieve industrialization and application. The development of the foundry industry will usher in the structural optimization of the accelerated adjustment period, promote the foundry industry to green, high-end, intelligent transformation and upgrading, has become an important engine to enhance the international competitiveness of the foundry industry, to achieve comprehensive and sustainable development.
SANDI Technology specializes in 3D printing green additive manufacturing equipment and services, has a wealth of experience in 3D printing services and casting experience, based on "process design, 3D printing, casting, machining and testing" and other integrated technology processes, can provide high-quality R & D trial production, small batch multi-species, complex structure of the metal products of the rapid manufacturing services. Manufacturing services. Through its Longyuan molding independent research and development of 3DP inkjet sand molding, SLS selective laser sintering 3D printing equipment, formed 3DP sand casting, SLS sand casting, SLS wax mold precision casting and a full set of process solutions. We can provide rapid manufacturing services for aluminum alloy, copper alloy, cast iron, cast steel, magnesium alloy, high-temperature alloy, titanium alloy, etc. for the users of aerospace, automobile, rail transportation, ship pump valve, engineering machinery, education and scientific research, and art casting industries.

Concurrent Live Events

Live Streaming Topics
Practice of 3DP sand printing technology in green casting application

broadcast time
May 8, 2023, 14:00 - 15:30

Live Streaming Instructor
Dr. Zhao Hao, Vice President of Product Technology of SANDY Technology
Mr. Tan Dawei, Director of Green Fast Casting and General Manager of Xinxin Casting, SANDI Technology

Offline Live Streaming Locations
National Convention and Exhibition Center (Tianjin)
Hall S13, Booth D07 SANDI TECHNOLOGY

Online Live Streaming Room

scan the code to watch

Live Streaming Cooperation
Polar Bear 3D Printing

Main content of the live broadcast

This live broadcast will share the successful application cases of 3DP sand printing technology in the green fast casting demonstration plant, and discuss how traditional foundry enterprises can seize the industrial development opportunities through scientific and technological empowerment under the new development pattern, seek progress amidst changes, and realize transformation and upgrading.

May 8-11, National Convention and Exhibition Center (Tianjin), SANDI booth: S13-D07, welcome to visit and exchange ideas!

三帝科技3D打印绿色快速铸造解决方案将参加中国国际铸造展最先出现在三帝科技股份有限公司�?/p>

3d printing equipment The most complete - SANDY TECHNOLOGY CO.

3dptek — Tue, 25 Aug 2015 06:29:57 +0000

　　On August 24th, Beijing, the autumn breeze was refreshing. The multimedia conference room of Petrochemical Research Institute located in PetroChina's innovation base had a warm atmosphere, where top domestic experts in refining and chemical technology gathered. Dr. Zong Guisheng, Chairman of Beijing SANDI Printing Technology Co., Ltd, Chairman of Shenzhen Seven Technology Co., Ltd, and Director of 3D Printing Special Committee of China Powder Metallurgy Technology Innovation Strategy Alliance, was invited to give a special report on "3D Printing Technology and Materials". Mr. Hu Jie, Vice President of Petrochemical Research Institute, Mr. Li Bohong, Deputy Director of Scientific Research Management Department, Mr. Huang Qiang, Director of Synthetic Resin Processing and Application Laboratory, Mr. Gao Fei, Director of Engineering Scale-Up and Process Laboratory, and Mr. Li Jingshan, Director of Party Affairs Office and Hospital Affairs Office, etc., attended the presentation, which was presided over by Dr. Xinshexuan, Deputy Chief Engineer of the Research Institute and Director of Key Laboratory of Synthetic Resin. Meanwhile, researchers from PetroChina Daqing Chemical Research Center and Lanzhou Chemical Research Center also participated in the communication and interaction of the presentation through video outside the site.

The scene of the presentation

　　In the report, Dr. Zong Guisheng first analyzed the importance of 3D printing technology from the height of the national manufacturing strategy. He pointed out that in today's escalating global manufacturing challenges, manufacturing is changing faster than ever. In order to be undefeated in the competition, we need to improve efficiency, shorten the time to market, and enhance flexibility, and these needs have driven the development of smart manufacturing. 3D printing, as one of the core technologies of smart manufacturing, has the great potential to change the entire production industry, and is expected to become a key part of China's high-end manufacturing industry, and to promote the upgrading of China's manufacturing industry. At the same time, the global manufacturing countries have introduced their own competitive strategy: the U.S. Obama administration will be 3D printing as a stimulus to the manufacturing industry back to accelerate U.S. economic growth as an important "weapon"; Germany's "Industry 4.0" strategy to support the industrial sector. Germany's "Industry 4.0" strategy supports the research and development and innovation of a new generation of revolutionary technologies in the industrial field; domestically, the "National Additive Manufacturing Industry Development Promotion Plan (2015-2016)" puts forward the initial establishment of a more complete additive manufacturing industry system by 2016, the industry's sales revenue to achieve an average annual growth rate of 30% or more, the aerospace and other direct manufacturing areas to reach the international advanced level and other goals; the "Made in China 2025" plan also includes the following Made in China 2025" plan also made clear the realization of long-term constraints on the development of manufacturing key common technology breakthroughs, to enhance the overall competitiveness of China's manufacturing industry tasks and goals.

　　For the current situation of the 3D printing industry and the development prospects of the Chinese market, Dr. Zong Guisheng pointed out that the current 3D printing industry is growing at an average annual rate of about 30%, desktop 3D printers and the civilian market is growing rapidly, and the growth of services exceeds the growth of equipment. The global market size is expected to exceed $20 billion by 2020. 2013, China's 3D printing market size of 2 billion yuan, and the market potential is huge, it is expected that only sports, recreational products, furniture and other 3D printing direct manufacturing industry annual output value of up to one trillion dollars, the global industry scale will reach one trillion dollars.

　　After that, Dr. Zong Guisheng elaborated on the technical characteristics and application advantages of 3D printing from the perspectives of 3D printing equipment and process respectively. He said that 3D printing technology creates a new ability to produce items of various shapes and sizes, enabling engineers to design more complex products that could not be realized before. 3D printing is widely used in aerospace, automotive manufacturing, casting, medical, due to its advantages of manufacturing complex parts, product diversification without increasing costs, assembly-free, cloud manufacturing, zero-skill manufacturing, portable manufacturing, net molding, Civil and other fields of rapid prototyping, rapid manufacturing. In the future, if the use of 3D printing thinking to design and manufacture products, will bring a new era of design and manufacturing.

　　The National Additive Manufacturing Industry Development Advancement Plan (2015-2016), in particular, puts forward that efforts should be made to break through the special materials for additive manufacturing, and by 2016, the independent production of special materials will be basically realized to meet the needs of industrial development and application. The material and application of 3D printing is also a topic of particular concern to the experts here. In this regard, Dr. Zong Guisheng introduced that the polymer materials used in 3D printing mainly include thermoplastics, photosensitive resins, rubber materials, composite materials, etc., while biomaterials, cellular materials, DNA framework materials, stem cell materials and other materials with great future prospects are also in the research and development stage. Plastic is the most commonly used printing material in the field of 3D printing, and its common types are: ABS plastic, PLA (polylactic acid), nylon, PC, glass-filled polyamine, and through the mixing of different ratios of materials, nearly 120 kinds of soft and hard different new materials can be produced. From the current application of China's 3D printing market, ordinary materials occupy half of the world, domestic self-developed mid-range material products accounted for about 40%, foreign high-quality imported consumables accounted for 10%.

　　Dr. Zong Guisheng said that the 3D printing process parameter package of materials is an important value-added factor for printing materials. Talking about the application of materials in 3D printing, Dr. Zong put forward requirements and prospects for synthetic polymer materials and new application areas through the introduction and analysis of the properties and applications of several typical common materials for 3D printing.

　　Finally, for the current development of the domestic 3D printing industry is faced with technology, products, R & D, applications, standards and other challenges, Dr. Zong Guisheng suggests that through enterprise-led, talent gathering, government support and a high degree of marketization to deal with. Government departments and industry enterprises should change their thinking, from the previous respective, fragmented R & D, sales of lone combat, slow natural growth of the development model, and gradually transformed into a platform for the operation of the overall planning, R & D, project R & D, synergistic, mergers and acquisitions of the growth, and through the industry associations to build a professional platform, technical exchanges, participation in the development of industry standards, and ultimately through the integration of resources to achieve a win-win cooperation.

Participants responded enthusiastically to Dr. Zong Guisheng's wonderful speech, interacting and actively asking questions in Beijing, Daqing and Lanzhou.

[About China Petroleum and Chemical Research Institute]
　　Petrochemical Research Institute (PRI) is a research institute directly under PetroChina Company Limited, which consists of 9 research institutes and exercises operational leadership over 4 chemical research centers in Lanzhou, Daqing, Jilin and Liaoyang, and centrally undertakes the tasks of PetroChina's R&D in refining and chemical technology. Petrochemical Research Institute is the decision support and production technology service center for PetroChina's refining business, high-tech R&D center and high-level refining science and technology talent training center, and its development goal is to be a "first-class, internationally renowned" refining technology research institute, providing technical support for the development of PetroChina's refining business. Its main functions are: tracking the international refining and chemical technology development trend, providing strategic decision-making support for the company's downstream business development; based on the company's development planning and production needs, proposing and undertaking major refining and chemical technology research, basic research, applied research, and advanced reserve technology research projects; organizing and carrying out domestic and foreign research and development cooperation in refining and chemical technology, and doing a good job in the digestion, absorption and re-innovation of the key technologies and introduced technologies for the leading products; being responsible for the pilot testing of major technologies, and the development of the refining and chemical technology research and development center. It is also responsible for pilot and industrial tests of major technologies, engineering research of refining and chemical technologies, promotion of scientific research results, technical services and technical training.

[About Beijing SANDI Printing Technology Co.
　　Beijing Three Emperor Printing Technology Company (3DP Technology, Inc.) is a high-tech holding company focusing on the research, development, production, and sales of 3D printing systems (equipment, materials, processes, software) and their applications. Founded by one of the world's first 3D printing doctors, China's first high-tech enterprise focusing on 3D printing, developed China's first industrial 3D printer in 1993, rapid prototyping machine, won the Beijing invention gold medal. The company has independent intellectual property rights, the main products and services: industrial 3D printers, 3D printing materials, and everything printing services. At present, the company has more than 140 high-end equipment users and more than 100 processing service users, the market application is mainly in the aviation, aerospace, automotive, and medical fields. (Text/Jiayu)

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