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15问答网 > 加工中心镗φ82.5孔材料球墨铸铁QT450) 硬度HB160～210，粗糙度Ra0.4 孔深48，应用什么刀具及切削参数

加工中心镗φ82.5孔材料球墨铸铁QT450) 硬度HB160～210，粗糙度Ra0.4 孔深48，应用什么刀具及切削参数

请给位高手指点

2025-03-30 04:50:52

推荐回答（3个）

回答1：

一个直径很好搞的，先精镗再绗磨；至于切削参数嘛得根据你机床刚性和前道加工工序的完成情况还有对节拍的要求来定。个人建议：Vc=200左右，Ap=0.2，f=0.1仅供参考!

回答2：

使用精铰刀，加工到粗糙度Ra0.8没有问题。

回答3：

粗糙度Ra0.4直接靠刀具加工很难达到要求！！
除非精镗孔后再滚压或绗磨。

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