樓主: shaomeng
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求助關(guān)于深孔擴孔問題 |
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點評
刀具應(yīng)該沒問題,應(yīng)該是切削用量選擇不合理,0.3、0.5進給量過大(0.05-0.15r/min為宜),切進切出時易打刀。不能追求效率而忽視切削用量的合理性。為了保證加工效率,建議采用機夾擴刀,偏角75°,以便提高切削速..
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