Dynamic characteristic testing device and method for spindle in rotation state
A technology of dynamic characteristics and testing device, which is applied in the direction of measuring device, testing of mechanical parts, testing of machine/structural parts, etc., can solve the problems of accurate testing of dynamic characteristics of difficult spindle rotation state, influence of test results, limited application, etc. Test system with less interference, low power consumption, accurate and efficient loading
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[0037] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0038] Such as Figure 1 to Figure 4As shown, the present invention provides a dynamic characteristic test device under the spindle rotation state, including a spindle 1, a frame 2, a fixed sleeve 3, a connecting bracket 4, an end cover 5, a handle assembly 6, an actuator assembly 7, Acceleration sensor 8 and displacement sensor 9; wherein, the main shaft 1 is installed on the frame 2, one end of the main shaft fixing sleeve 3 is installed on the frame 2, the other end is connected with one end of the connecting bracket 4, and the end cover 5 is installed on the connecting bracket 4 The other end of the knife handle assembly 6 includes a knife handle 601 and a bearing 602 and a bearing box 603 which are sequentially set on the knife handle 601 from the inside to the outside. One end of 601 is connected to the rotor of the main shaft 1, and the tip of t...
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