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改后毕业设计说明书拜拜拜拜吧.doc

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目录
摘要··························································································································································1
前言···························································································································································4
1 零件的分析········································································································································5
零件的作用····································································································································5
零件的工艺分析····························································································································5
2 工艺规程的设计·······························································································································6
毛坯的制造形式····························································································································6
基准面的选择································································································································6
粗基准的选择······················································································································6
精基准的选择······················································································································6
制定工艺路线································································································································6
机械加工余量、工序尺寸及毛坯尺寸的确定············································································8
确定切削用量及基本工时············································································································8
3 绘制零件图和编制工艺卡············································································································26
绘制零件图·····························································

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