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后钢板弹簧吊耳加工工艺及夹具设计

   

目  录

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摘  要......................................................................................................................... Ⅰ

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ABSTRACT................................................................................................................ II

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目录............................................................................................................................... 1

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1绪  论........................................................................................................................ 1 copyright paper51.com

2  后钢板弹簧吊耳加工工艺规程设计.................................................................. 3

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2.1零件的分析............................................................................................................ 3

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2.1.1零件的作用...................................................................................................... 3

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1.1.2零件的工艺分析............................................................................................... 3

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2.2工艺过程设计所应采取的相应措施...................................................................... 4

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2.3后钢板弹簧吊耳加工定位基准的选择................................................................. 4 内容来自www.paper51.com

2.3.1 确定毛坯的制造形式....................................................................................... 4

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2.3.2粗基准的选择................................................................................................... 4

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2.3.3精基准的选择................................................................................................... 5

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2.4 工艺路线的制定................................................................................................... 5

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2.4.1 工艺方案一..................................................................................................... 5

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2.4.2 工艺方案二..................................................................................................... 5

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2.4.3 工艺方案的比较与分析.................................................................................... 6 内容来自论文无忧网 www.paper51.com

2.5机械加工余量、工序尺寸及毛坯尺寸的确定....................................................... 6

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2.6确定切削用量及基本工时(机动时间)............................................................... 7

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2.7时间定额计算及生产安排................................................................................... 16

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2.8 本章小结............................................................................................................. 18

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3  粗铣后钢板弹簧吊耳内侧端面夹具设计....................................................... 19

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3.1粗铣后钢板弹簧吊耳内侧端面夹具设计............................................................. 19

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3.2定位方案的分析和定位基准的选择.................................................................... 19

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3.3定位误差分析...................................................................................................... 19 内容来自www.paper51.com

3.4铣削力与夹紧力计算........................................................................................... 20

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3.5定向键与对刀装置设计....................................................................................... 21

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3.6夹紧装置及夹具体设计....................................................................................... 23

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3.7夹具设计及操作的简要说明................................................................................ 24 paper51.com

3.8本章小结.............................................................................................................. 24

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4  加工工艺孔夹具设计............................................................................ 25

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4.1加工工艺孔夹具设计.............................................................................. 25 copyright paper51.com

4.2定位方案的分析和定位基准的选择.................................................................... 25 http://www.paper51.com

4.4切削力的计算与夹紧力分析................................................................................ 26 内容来自www.paper51.com

4.5钻套、衬套、钻模板及夹具体设计.................................................................... 26

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4.6夹具精度分析...................................................................................................... 28 内容来自www.paper51.com

4.7夹具设计及操作的简要说明................................................................................ 28

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4.8本章小结.............................................................................................................. 29

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5  加工工艺孔夹具设计......................................................................... 30

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5.1加工工艺孔夹具设计........................................................................... 30 paper51.com

5.2定位方案的分析和定位基准的选择.................................................................... 30 http://www.paper51.com

5.3定位元件的设计.................................................................................................. 30 copyright paper51.com

5.4定位误差分析...................................................................................................... 32

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5.5切削力的计算与夹紧力分析................................................................................ 32

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5.6钻套、衬套、钻模板及夹具体设计.................................................................... 32

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5.7夹具精度分析...................................................................................................... 34 paper51.com

5.8夹具设计及操作的简要说明................................................................................ 34 paper51.com

5.9本章小结.............................................................................................................. 35 内容来自www.paper51.com

结  论....................................................................................................................... 36

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参 考 文 献.............................................................................................................. 37

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致 谢......................................................................................................................... 38

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