Intelligent diagnosis method and device for abnormal working state of spindle system of machining center
A technology of working status and intelligent diagnosis, applied in the field of CNC machine tools, can solve the problems of long modification and debugging cycle, low calculation efficiency, complex update algorithm, etc., and achieve the effect of shortening maintenance time, improving production efficiency, and small machine tool changes
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[0044] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.
[0045] combine figure 1 , this embodiment describes in detail the intelligent diagnosis method for the abnormal working state of the spindle system of the machining center of the present invention, as figure 1 As shown, it includes the following steps:
[0046] S11: collect the current vibration signal of the spindle;
[0047]S12: Process the collected current vibration signal of the main shaft, extract the characteristic parameters of the current vibration signal of the main shaft, and obtain the characteristic vector reflecting the current state of the main shaft;
[0048] S13: Compare the eigenvector of the c...
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