Su enterprise independently developed industrial grade metal 3D printer
The world's largest industrial grade laser melting (SLM) metal 3D printer
As the first industrial documentary, the broadcast of CCTV's eight-episode large-scale documentary "The Great Power" (second season) has triggered a new round of Chinese industrial fever in the society. In the seventh episode of "Intelligent Pioneer", the camera is aimed at the world's largest 3D sand core printer. In Suzhou, there is also a 3D printing company dedicated to the industrial application of 3D printing in the manufacturing industry. The self-developed industrial grade laser melting (SLM) metal 3D printer, which was launched in October last year, both the molding size and the size of its own equipment are refreshed. world record.
The three-dimensional printing technology company named West Timor is located in Xiangcheng Economic Development Zone. A few days ago, the reporter saw this "Jumbo" industrial-grade constituency laser melting (SLM) metal 3D printer in the company's factory. It is 6.8 meters long and 6.5 meters high. The operator needs to use the escalator to carry on the feeding operation. According to reports, this machine can laserly print parts up to 750 mm long, 750 mm wide and 500 mm high. Prior to this, the highest standard of metal 3D printer printing in the world was 800 mm long, 400 mm wide and 500 mm high. “The increase in size means not only the printing of oversized industrial parts, but also the number of parts printed at one time.†Zhang Zhengwen, chairman of the company, explained that the speed of this multi-laser printer is 120 cubic meters per hour. Cm, 4-8 times more efficient than a single laser small printer.
Compared with the leading players in the industry, Sidi Mo is a young company with less than 3 years of permanent establishment and a permanent team of more than 20 people, but it is such a company that released the world's largest industrial grade in October 2017. After the selection of laser melting (SLM) metal 3D printers, the spread effect was far overseas, and the number of orders had already reached the end of 2018. At the same time, more than ten ventures came to the door.
Behind it is the company's strong independent research and development capabilities. As an expert in the National Thousand Talents Program, Zhang Zhengwen has been engaged in advanced manufacturing research for nearly 30 years. In 2010, he returned from the UK to develop and promote the industrialization of precision metal 3D printing technology and its industrial applications.
In 2012, Zhang Zhengwen undertook the “3D Printing Key Technology and Equipment Development†project of the 863 Program of the Ministry of Science and Technology. Subsequently, he led more than 20 research and development teams, spent nearly five years, overcoming many difficulties, in October 2017 developed and produced the world's largest industrial-grade constituency laser melting (SLM) metal 3D printer, widely used in aerospace In the fields of automobiles, high-end molds and even biomedical, 12 patents have been applied for or authorized. Currently, the machine has entered the mass production phase.
“The sand core you saw in the documentary was used on the casting mold. The mold was used to sand the metal blank and the machine was cut to cut the parts.†Li Daofen, deputy general manager of the company, said that their SLM Metal 3D printers are direct-printing products, and there are products that cannot be cut at all.
As a professor at the University of Exeter and Chongqing University, Zhang Zhengwen is now leading his team of students to focus on the important direction of future 3D printing – lightweight design. “3D printed parts can reduce weight by 50%-60%, and the limit is 70%, which is of great significance in aerospace, automotive, energy, medical and other fields.†Zhang Zhengwen said that new energy vehicles, artificial skeletons, rocket loads Weight loss is the direction of their key research in the future. He vividly compares the rocket load to 1 kilogram of weight, which is equivalent to saving 1 kilogram of gold.
(Editor)
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