减速器下壳体工艺设计.docVIP

湖南省生物机电职业技术学院 毕业设计 减速器下壳体的工艺设计 系 部： 机械系 专 业： 机械制造及自动化 班 级： 机制XXXX班 姓 名： XXX 学 号： XXXXXXXXXXXX 联系电话： XXXXXXXXXXX 指导教师： XXX 目 录 中文摘要························································3 英文摘要························································4 1绪论····························································5 2零件的工艺分析··············································6 2.1零件的工艺分析············································6 2.2确定毛坯的制造形式······································6 2.3箱体零件的工艺性·········································6 3拟定箱体加工的工艺路线···································7 3.1定位基准的选择···········································7 3.2加工路线的拟定···········································7 4确定切削用量及基本工时····································9 4.1机座·························································9 4.2机体························································20 5专用夹具的设计·············································35 5.1粗铣下平面夹具··········································35 5.2粗铣前后端面夹具设计··································37 6结论··························································42 7致谢··························································43 8参考文献·····················································44 9附录··························································45 摘 要 在生产过程中，使生产对象（原材料，毛坯，零件或总成等）的质和量的状态发生直接变化的过程叫工艺过程，如毛坯制造，机械加工，热处理，装配等都称之为工艺过程。在制定工艺过程中，要确定各工序的安装工位和该工序需要的工步，加工该工序的机车及机床的进给量，切削深度，主轴转速和切削速度，该工序的夹具，刀具及量具，还有走刀次数和走刀长度，最后计算该工序的基本时间，辅助时间和工作地服务时间。 关键词：工序，工位，工步，加工余量，定位方案，夹紧力 Abstract Enable producing the target in process of production (raw materials, the blank , state of quality and quantity on part become always ) take place direct course of change ask craft course, if the blank is made, machining, heat treatment , assemble etc. and call it the craft course. In the course of making the craft , is it confirm every erector location and worker step that pr