| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem that correction lift data includes an error in the case of smoothing added acceleration of original lift data in a processing method of a non-true circular workpiece. SOLUTION: Only parts J1A to J1C where the deflection the added acceleration J1 of the original lift data L1 are extracted, and the extracted parts J1A to J1C are subjected to smoothing processing to correct the added acceleration J1. Lift data are calculated from the corrected added acceleration, and the non-true circular workpiece is processed on the basis of the lift data. Then, the deflections of the added acceleration J1 are smoothed, and therefore, machine vibrations during being processed are suppressed. Since only the parts J1A to J1C having large deflections of the added acceleration are smoothed, data deviation between before and after correction is suppressed.
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