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当车工无法同时将活动垫片垫在所有卡爪上以保护已加工件光滑的表面时,解决方法是(见图):将铝垫片剪到或切割到合适的尺寸,用丙酮或酒精清洗卡爪
The solution (see photo) is when the tradesman can not simultaneously pad the movable gasket over all the jaws to protect the smooth surface of the machined part. Cut the aluminum gasket to the appropriate size and clean it with acetone or alcohol Claw