High-speed electric main shaft dynamic rigidity test device
A high-speed motorized spindle and dynamic stiffness technology, applied in the direction of machine gear/transmission mechanism testing, etc., can solve the problems of inability to meet the performance testing requirements of high-speed motorized spindle, inability to achieve non-destructive loading, difficult control and testing, etc., and achieve real-time measurement. , stable dynamic loading, low difficulty effect
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[0023] figure 1 Is a schematic diagram of the structure of the present invention, figure 2 It is the control principle diagram of the present invention, as shown in the figure: the high-speed electric spindle dynamic stiffness test device of this embodiment includes a base 17, a loading system and an automatic control unit 34;
[0024] The loading system includes an axial loading system, a radial loading system, and a test rod 2 fixedly arranged on a high-speed electric spindle 1;
[0025] The outer circle of the test rod 2 is provided with a radial rolling bearing 30, and the loading end of the test rod 2 is provided with a plane rolling bearing 27;
[0026] The axial loading system includes an axial loading rod 35 and an axial loading drive system. The axial loading drive system includes an axial loading servo motor, an axial loading drive screw 19 and an axial loading drive nut 21. The axial loading The drive screw 19 is matched with the power output shaft of the axially loaded ...
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