Improved holographic dynamic balancing method of high-speed main shaft
A high-speed spindle and holographic technology, applied in the field of holographic dynamic balance, can solve the problems of monitoring false alarms and wrong diagnosis conclusions, and achieve the effect of improving efficiency, improving accuracy and improving separation accuracy.
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 In order to understand the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings.
 figure 1 Shown, the concrete balancing step of the inventive method is:
 Step 1, collecting the original vibration signals of the two test sections at the balanced speed of the faulty spindle;
 Step 2, according to the error separation technology of the three-point method, the roundness error separation is performed on the vibration signals of the two sections at both ends of the main shaft, and the actual axis center track after the roundness error is eliminated is obtained;
 Step 3, according to the information fusion technology, obtain the power frequency two-dimensional hologram of each test section for the x and y components of the axis trajectory obtained in step 2; judge whether the main vibration main fault source is unbalanced; obtain each test The initial pha...
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