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我厂在无心磨床上采用切入法粗磨针阀体和柱塞套小头外圆。由于工件小,加工批量大,经常造成工件打崩导轮边沿的现象。一般需用金刚石将崩掉部分全部修整掉。此法浪费很大。
I plant grindstone inadvertently use the method of roughing the needle and the piston plunger body small head cylindrical. Due to the small workpiece, the processing batch is large, often causing the phenomenon of collapsing guide pulley edge. Generally need to use diamonds to collapse part of all trim off. This method is very wasteful.