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C618(C6136)车床车螺纹和走刀量的标牌存在着这样三个缺点:(1)车螺纹时如果不改变挂轮或诺顿手柄位置,再车外圆时纵走刀量太大。(2)车不同螺距时要经常更换挂轮。(3)不能车蜗杆。我们收到有关这方面改进的稿件,曾在《机械工人》1966年冷加工笫7期和第8、9期上连续汇总发表过两次。最近又陆续收到这方面的稿件,介绍的方法很好,内容各有特点,目的都是围绕着解决上述缺点,现在再继续汇总发表如下。
C618 (C6136) lathe thread and take the amount of signage there are three shortcomings: (1) thread change if you do not change the position of the hanging wheel or the handle of Norton, then take the car outside the circle when the vertical length of the knife too much. (2) When changing the pitch of the car, change the hanging wheel frequently. (3) can not car worm. We have received an update on this area and have been published twice in a row on the 7th and 8th and 9th issues of Cold Working 1966 by Mechanic Workers. Recently, they have received manuscripts in this area one after another. The methods introduced are very good. The contents are characterized and their purpose is to solve the above shortcomings.