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铰刀铰出来的孔为什么会大呢

更新时间: 2020-06-28 00:00:00     

可能原因:

1、铰刀外径尺寸设计值偏大或铰刀刃口有毛刺;

2、切削速度过高;

3、进给量不当或加工余量过大;

4、铰刀主偏角过大;

5、铰刀弯曲;

6、铰刀刃口上粘附着切屑瘤;

7、刃磨时铰刀刃口摆差超差;

8、锥柄的扁尾偏位装入机床主轴后锥柄圆锥干涉;

9、主轴弯曲或主轴轴承过松或损坏;

10、铰刀浮动不灵活;

11、与工件不同轴;

12、手铰孔时两手用力

关键词: 出来 为什么

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