3970| 5
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數(shù)控鉆床鉆出來的孔直徑比鉆頭小 |
點評
同意,一般在鋼上,鉆孔如果刀具跳動很好,最多收縮個0.01~0.02mm,不會有這么大尺寸的回彈。估計是測量儀器或者粗糙度過大導致測量不準確。
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