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huo sai gan jia gong gong yi fen xi
Author(s): WEN Haipeng
Pages: 99-
100
Year: 2011
Issue:
9
Journal: Tool Engineering
Abstract: 活塞杆是我厂新产品不压井修井机支腿油缸上 的一个零件,该零件最大直径为φ75mm,毛坯选取 直径为φ85mm圆钢,材质为42CrMo.从图1中可以 看出,尺寸精度IT7及公差并不高,普通加工可以达 到要求,关键难点所有外圆对A基准和B基准的同 轴度要求是0.03mm;由于该零件长度为4590mm,直 径为φ75mm,如果加工方法不当,很容易引起工件变形,很难达到其同轴度要求,甚至产生废...
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