方孔推刀设计的改进

Improvement for square hole push type broach design

本文通过改善推刀切削图形的方法,即由原成形法变成分屑法,来减小切削力,以达到减少推刀折断现象的效果。

By means of ameliorating the cutting chart of push—type broach,that is,replacing conventional forming process by chip dividing process,cutting forces can be reduced and therefore the wreckage of push—type broach could be minimized.