我们从去年起用线切割新工艺试验了五种不同规格的液压密封油环,半年多来的实践证明,这种加工方法的工艺简单、精度高、速度快。原来加工合金铸铁密封环的方法和制造活塞环的方法相同。在密封环开槽扣前,先要车削内、外圆;其外圆周长应等于成品的周长与槽端长度和铣刀宽度之和。然后用铣刀割开口,再在割开的两头分别开槽扣。由于开槽扣前后的外径不同,因此在开好槽扣之后,还要用专用夹具再加工外圆。这种方法加工周期 Since last year, we have experimented with five different specifications of the hydraulic seal oil ring with the new wire cutting technology. The practice of more than six months proves that the processing method has the advantages of simple process, high precision and high speed. The original method of processing alloy cast iron seal ring and the same method of manufacturing piston rings. In the seal ring slotted buckle, the first turning inside and outside the circle; its outer circumference should be equal to the finished product perimeter and groove end length and the width of the cutter and the sum. Then cut with a milling cutter, and then cut open the two ends of the buckle. As a result of slotted buckle before and after the different diameter, so good slotted buckle, but also with special fixture re-processing of the outer circle. This method of processing cycle