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2000吨包铅机是我厂的一种产品。在制造这种产品过程中,水缸活塞的加工曾经发生困难。这种零件用冷硬铸铁制成,外圆要求抛光达到8,但我厂没有拋光设备,现做一套不但成本高,而且时间也不允许;用光刀光,由于材料硬,不是啃刀就是切不下铁末,根本达不到8,就连7也达不到。后来我们用了如图2的砥磨卡具,把普通的氧化铝油石装上后,将它卡在刀架上,按图1所示的方法进行砥磨,结果得到了一个如镜面似的加工
2000 tons of lead package machine is a product of our factory. In the manufacture of such products, the processing of water tank pistons has been difficult. This part is made of chilled cast iron, the outer circle requires polishing up to 8, but I plant no polishing equipment, is now a set of high cost, but also time is not allowed; light knife light, because the material is hard, not eating knife is Can not cut iron, simply can not reach 8, even 7 can not reach. Later, we use the grinding wheel as shown in Figure 2 fixture, the ordinary alumina stone mounted, it stuck in the turret, according to the method shown in Figure 1 for grinding, resulting in a mirror-like Processing