空气压缩机曲轴的加工工艺及夹具设计VIP免费

XXX大学本科毕业设计曲轴加工工艺及夹具设计学生姓名：谭剑军学生学号：20104010131001院院系：继续教育学院年级专业：机械制造及自动化指导教师：孙付春二〇一二年五月成都大学本科毕业设计目录目录摘要···········································································································1一、绪论······································································································1二、零件分析···································································································2㈠零件的作用·······························································································2㈡零件的工艺分析·························································································2三、工艺规程设计····························································································4㈠确定毛坯的制造形式···················································································4㈡基面的选择·······························································································41.粗基准选择·························································································42.精基准的选择······················································································43.制定工艺路线······················································································44.机械加工余量、工序尺寸及毛坯尺寸的确定···············································65.确定切削用量及基本工时·······································································96.时间定额计算及生产安排······································································29四、专用夹具设计··························································································38㈠加工曲拐上端面油孔夹具设计······································································381.定位基准的选择················································...