Compensation process capable of increasing machine precision of numerical-controlled lathe and magnetic striction compensation mechanism
A technology for compensating mechanism and processing accuracy, which is applied in the direction of metal processing machinery parts, metal processing, metal processing equipment, etc., can solve the problems of high price, high cost, unsuitable mechanism of action, etc., to suppress chatter, improve processing accuracy, Overcome technically complex effects
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[0040] Below in conjunction with accompanying drawing, the present invention is described in detail:
[0041]A method for compensating the accuracy of CNC lathes through compound feed. The main principle of this method is that, in view of the technical difficulties in online detection of machine tool machining accuracy, the feed error within the full stroke range of the machine tool is measured by a dual-frequency laser interferometer. The off-line displacement compensation of the modular magnetostrictive compensation mechanism cooperates with the macro-displacement feed of the CNC lathe for micro-displacement feed; when the error compensation signal is superimposed on the error compensation signal at the same time, when the compensator is driven by a small-amplitude vibration signal with a fixed frequency for vibration cutting, it can Effectively suppress the chatter phenomenon during machine tool cutting, improve the machining accuracy of the workpiece, and complete the stora...
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