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机床夹具的设计

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摘  要

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机床夹具概论.................................................................................................................................1

1.1 机床夹具及其功用..............................................................................................................1
1.2 工件的定位........................................................................................................................10
1.3 定位误差分析....................................................................................................................18
1.4 工件的组合定位................................................................................................................22
2.1 夹紧装置的组成及其设计原则........................................................................................25
2.2 确定夹紧力的基本原则....................................................................................................27
2.3 夹紧机构的设计要求........................................................................................................32

铣床夹具设计..............................................................................................................................34

3.1 定位方案............................................................................................................................35
3.2 夹紧方案............................................................................................................................42
3.3 对刀方案............................................................................................................................42
3.4 夹具体与定位键................................................................................................................42
3.5 夹具总图上的尺寸、公差和技术要求............................................................................43
3.6 夹具精度分析....................................................................................................................44

4  各类铣床夹具.............................................................................................................................47

4.1 铣床夹具............................................................................................................................47
4.2 典型数控机床夹具............................................................................................................49

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