楼主: shaomeng
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求助关于深孔扩孔问题 |
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点评
刀具应该没问题,应该是切削用量选择不合理,0.3、0.5进给量过大(0.05-0.15r/min为宜),切进切出时易打刀。不能追求效率而忽视切削用量的合理性。为了保证加工效率,建议采用机夹扩刀,偏角75°,以便提高切削速..
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