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群力机械厂在加工皮带运輸机上的鑄铁軸承座时,由于軸承座的尺寸精度要求很高,精車时很难达到,废品率竟达50％左右,因而成了该厂急待解决的关键问题。車工王之剛师傅,經过多次的試驗,終于以冲的方法代替了精車,使产品質量得到了保証,并且大大提高了生产率。工具的結构如附图所示,可以在簡单的手压力机上使用。冲头卡在压力机的卡头上,当冲头每冲完一次回程时,工件紧箍在冲头上,冲头从定位环中把它带出,当冲头回程碰到卸料板时,工件就被拨下来。这时可以装上另一个零件,继续进行加工。在冲的过程中,工件孔壁受
Qunli Machinery Factory in the processing of belt conveyor cast iron bearing, due to the high dimensional accuracy of the bearing seat, fine car is difficult to achieve, rejection rate was as high as 50%, which became the plant urgent solution The key issue. Wang Zhigang car master, after many tests, and finally to red instead of fine car, so that product quality has been guaranteed, and greatly increased productivity. The structure of the tool is shown in the attached drawing and can be used on a simple hand press. Punch stuck in the press chuck, when the punch punch each return trip, the workpiece is tightened in the punch, the punch from the positioning ring to bring it out, when the punch hit the back of the trip plate , The workpiece is dropped. At this time can be loaded on another part, continue processing. In the red process, the workpiece hole wall by