以前加工轴瓦时(如图1),都是先铣刮平面,再将两块轴瓦用锡焊焊在一起,在车床上用划线盘找正,加工内外圆和端面。这样,不但工时多,浪费焊锡,又不易找正。为此,我厂设计了几套专用工具,改变了工艺路线,可以不再刮平面和锡焊。其工艺如下: Before the processing of bush (Figure 1), are the first milling plane, and then welded with two brazing together, in the lathe with a scribing disc to find out the processing of the outer circle and the end. In this way, not only working hours, waste of solder, but also difficult to find correct. To this end, I designed several sets of special tools factory, changing the process route, you can no longer scratch the plane and soldering. The process is as follows: