攀枝花学院本科毕业设计3L-10/8空气压缩机曲轴零件的机械加工工艺及夹具设计学生姓名：徐庆学生学号：200310621029院院系）：机电工程学院年级专业：机械制造及自动化1班指导教师：卢宗彪副教授二〇〇七年六月攀枝花学院本科毕业设计目录目录摘要············································································································IABSTRACT·····································································································I1绪论········································································································12零件分析····································································································22.1零件的作用·····························································································22.2零件的工艺分析·······················································································22.3零件加工的主要问题和工艺过程设计分析······················································23工艺规程设计······························································································53.1确定毛坯的制造形式·················································································53.2基面的选择·····························································································53.2.1粗基准选择···················································································53.2.2精基准的选择················································································53.3制定工艺路线··························································································53.4机械加工余量、工序尺寸及毛坯尺寸的确定···················································73.5确定切削用量及基本工时·········································································113.6时间定额计算及生产安排·········································································314专用夹具设计································...
