【Stunt】
Original title: Precision grinding technology makes aerospace parts "fine"
Workers' Daily-China Workers' Network reporter Zhang Xi
The attitude control system is a key system to maintain the stability of spacecraft in orbit, and the coordination accuracy of wheel and axle parts directly affects the control accuracy and operation life of the actuator in the system.
Li Xiaobao, a special technician of the Precision Manufacturing Center of Tianjin Aerospace Electromechanical Equipment Research Institute and winner of the National May Day Labor Medal, applied precision grinding technology to strictly control the shape and size tolerance of the processing part within 1.5 microns, and the surface roughness was better than Ra0.2 microns, realizing the micron-level processing of the mating surface of the gear train parts. This technology solves the processing problem of a single small batch of aerospace attitude control parts, and greatly reduces the processing cost.
Source: China Workers' Daily