Hunan University applied the research results of the National Natural Science Foundation of China and successfully developed the first high-speed precision permanent magnet synchronous electric spindle in China. Its research results have reached the international advanced level.
This product is mainly used in modern high-speed processing machine tools, such as machining centers, grinding machines, milling machines, lathes, drilling machines, etc. Its axis integrates the dynamic thermal characteristics of the spindle system Design, precision machining and precision assembly, high-speed ceramic ball hybrid bearings, oil and gas lubrication and high-speed motor and drive technologies have won several national patents. The main technical indicators achieved include: maximum speed 18000 r / min, motor power 35kW, system stiffness 346 N / lm, rotation accuracy 0.0015 mm, dynamic balance accuracy G0.
According to the expert appraisal organized by the Science and Technology Department of Hunan Province, this electric spindle technology is mature, and there are major innovations in the core technologies of high-speed precision permanent magnet synchronous electric spindle design and technology. It has a good market prospect and its research results have reached the international advanced level. .