三通槽铣夹具及主要零件的工艺编制
三通槽铣夹具设计及主要零件的工艺编制
摘要：这次毕业设计课题是三通槽铣夹具及主要零件的工艺编制。对扇形板零件进行工艺分析。并制定加工工艺卡，加工工艺过程卡及若干工序卡。对铣槽夹具进行设计。设计工艺路线，制定定位及夹紧方案，确定定位基准。设计夹具体，对各个数据进行计算，分析数据的合理性。
关键词：夹具;工艺路线;定位夹紧方案;定位基准
The preparation process of three slot milling fixture and its main components
Abstract：The graduation design topic is the process of the preparation of three slot milling fixture and main parts. The process analysis to parts of the sector plate. And make the process cards,process cards and a plurality of process card. Design of the milling fixture. The designprocess, formulation of positioning and clamping scheme,determine the locating datum.Design of fixture, the data calculation, analysis the rationality of data.
Keywords：fixture;process route; positioning and clamping scheme; the locating datum
目录
一、序言..........................................................................................9
二、扇形板工艺设计......................................................................9
2.1扇形板的加工工艺...........................................................................10
2.2扇形板的工艺要求……………………………….…...........................10
2.3毛坯的确定……………………………….….....................................11
2.4毛坯形状及尺寸的确定……………………………….…......................11
2.5毛坯的工艺要求……………………………….…..............................12
三、扇形板工艺规程设计……………………………………………13
3.1选择加工方法…………………………………………………………..13
3.2定位基准的选择………………………………………………………...13
3.3工序基准的选择………………………………………………………...15
3.4确定工序集中和工序分散的程度………………………………………….16
3.5划分加工阶段…………………………………………………………..16
3.6确定加工余量…………………………………………………………..17
3.7设计加工方案…………………………………………………………..18
四、扇形板参数确定及计算……………………………...………….19
4.1扇形板的尺寸计算………………………………………………………19
4.2选择机床并确定刀具，夹具，量具………………………………………..20
4.3计算加工切削用量……………………………………………………….21
五、夹具设计…………………………………………………………..28
5.1夹紧装置的设计………………………………………………………….28
5.2夹紧装置的基本要求……………………………………………………..28
5.3定位，夹紧方案…………………………………………………………29
5.4分度装置的对定机构和操纵机构…………………………………………..29
5.5分度盘的设计……………………………………………………………30
六、夹具体的设计……………………………………………………..31
6.1夹具体设计的基本要求…………………………………………………...31
6.2夹具体的技术要求……………………………………………………….32
七、结论…………………………….………………………………….32
八、小结与致谢……………………………….….............................33
九、参考文献………………….……………………………………….35
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