Abstract 3D printed metal parts reporter learned from the 705 Research Institute of CSIC in Xi'an High-tech Zone on the 2nd, after a year of research and development, the company made a major breakthrough in the field of 3D printer technology, realized by means of metal direct sintering rapid prototyping technology. 3D printing, into...
3D printed metal parts
According to reports, direct metal laser sintering technology is the jewel in the crown of 3D printing technology. Because of the direct deposition of laser-melted metal powder, the structure has a density of more than 99%, which is close to the forged material body. At present, the technology is mainly used in the world to manufacture high-stressed components and complex components and irregular components that cannot be processed by conventional processes. It can achieve 90% to 95% of the highest strength of the same grade metal, with high precision and minimal molding constraints. The characteristics are widely used in the field of high-end precision parts manufacturing.
For a long time, direct metal laser sintering technology has been dominated by a small number of 3D printing giants in Germany and the United States. In August 2014, 705 Kunming Branch established the U3 team of the additive manufacturing division, specializing in the research and product development of this technology. Through the introduction of excellent technical teams at home and abroad, we will accelerate the research and development of key technologies in the fields of additive manufacturing such as “mechanical structure, intelligent control, software engineering, and new materialsâ€. After completing the development and finalization of the fused deposition technology printer, the focus is on breaking through the metal laser sintering molding technology. After a year of research and development, the prototype of the first direct metal laser sintering technology with independent intellectual property rights was finally completed.
At present, the technical team of the institute has used this key technology to complete the sintering test of 316L stainless steel, titanium alloy and other metal powder parts.
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