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三爪卡盘精度失准的主要原因,是卡盘的平面螺纹配合间隙增大和卡爪工作面的磨损,为此,我们在旧、废三爪卡盘上,根据所
The main reason for the misalignment of the three-jaw chuck is that the plane thread of the chuck is matched with the increase of the clearance and the wear of the jaw face. Therefore, on the old and the spent three-jaw chuck,