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将制图用的分规两个针调整好,并固定紧,把其中的一个针先用粗油石磨成0.1mm厚的薄片,然后在硬质合金平面上磨出刃口(光洁度10),见图1。刃磨时要注意被磨针的两刃口方向和另一针的方向应处于相对垂直位置,才能顺利制作垫圈。制作垫圈时,与平时制图一样,在橡胶板(垫圈材料)上划几圈,就能很方便地制作出高质量的垫圈。须注意的是:(1)刚开始的一、二圈要轻一些,待划出痕迹后可稍重一些划;(2)为了保证内外圈的同轴度,应先划外圈,后划内圈;(3)操作时,下面应垫一层薄橡胶板,以免损坏刃口。
Adjust the two needles in the chart for regulation and fasten them tightly. Put one of the needles into a 0.1mm thick sheet with stone and then grind the cutting edge (finish 10) on the carbide surface 1. Sharpening should pay attention to be two-edged grinding needle direction and the direction of the other needle should be in a relatively vertical position, in order to successfully manufacture gaskets. When making gaskets, just as you normally do, draw a few turns on the rubber plate (gasket material) to create high-quality gaskets. It should be noted that: (1) the first one or two laps to be lighter, to be scratched a little after the plan can be a little heavier; (2) in order to ensure the coaxiality of the inner and outer rings, should draw the outer ring, after planning Circle; (3) operation, the following should be padded a thin rubber sheet, so as not to damage the blade.