卡尺测量面修磨余量 ,是指在保证测量面修磨合格的同时又使零位对准的情况下测量面上磨去的余量。通常卡尺获得修磨余量的方法有四种 :挤压法、敲击法、镀铬法和金属喷涂法。这几种方法在使用中应注意 :一、在游标卡尺的修理过程中 ,获得卡尺测量面修磨余量 ,要使修磨余量愈少 Caliper measuring surface grinding margin, is to ensure that the measured surface grinding qualified at the same time make the zero alignment of the measured surface grinding away margin. There are usually four ways to get a grinding allowance for calipers: extrusion, percussion, chrome plating and metal spraying. These methods should be noted that in use: First, in the vernier caliper repair process, to obtain the caliper measuring surface grinding allowance, to make grinding less allowance