卡盘修理是一项较困难的工序,它的修换率高,批量小,种类多,且质量要求较严。卡盘爪的更换数量也各不相同。按一般的习惯修理方法是:卡爪的配制首先经车、刨加工,再用人工锉研,以便达到与卡盘体卡爪槽的精密配合,然后车制卡爪的内外卡口(即沟纹),最后热处理。这种方法缺点很多,不但锉研的工作量很大,而且在热处理后往往因变形而不易保证质量。我厂经过几年来的摸索试验,找到了一种比较可靠的修理方法。一年多来, Chuck repair is a more difficult process, its high rate of replacement, small batch, variety, and the quality requirements of more stringent. The number of chuck jaws varies as well. According to the general habit of repairing method is: the preparation of jaws first car, planing processing, and then manual file research, in order to achieve with the chuck body claw groove precision with, and then the car jaw inside and outside the bayonet (the ditch Grain), the last heat treatment. This method has a lot of shortcomings, not only filing work is very heavy, and often after the heat treatment due to deformation and not easy to ensure quality. I plant after years of groping test, found a more reliable repair methods. Over the past year,