Numerically-controlled machine tool spindle health degree quantitative evaluation method
A technology for health degree and quantitative evaluation, applied in complex mathematical operations, computer-aided design, geometric CAD, etc., to achieve the effect of simple operation, avoidance of losses, and convenient parameter modification
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[0039] The present invention will be further described below through specific embodiments in conjunction with the accompanying drawings. These embodiments are only used to illustrate the present invention, and are not intended to limit the protection scope of the present invention.
[0040] S1, calculate the characteristic index after removing the noise from the collected vibration signal and voltage signal generated by the spindle in the working state of the machine tool, and then obtain the current health index of the equipment according to the formula;
[0041] S2, substituting the health index into the formula to solve the equation to obtain the service life of the main shaft of the current equipment;
[0042] S3, putting the service life into the formula to obtain the health prediction formula of the equipment.
[0043] In said step S1, C S = 1.2C P =1.71C f =2.46C St = 0.43 C = 3.67 N = 2.5
[0044] Get AI=3.6 EI=4.1 SI=2.01 RI=1.53, substitute into the formula, s=A...
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