机械5

目录 机械制造工艺课程设计任务书.......................................................3 序言...................................................................................................4 零件分析...........................................................................................4 （一）零件的作用...............................................................................4 （二）零件的工艺分析....................................................................5 工艺规程设计...................................................................................5 （一）确定毛坯的制造形式.............................................................5 （二）基面的选择..........................................................................6 （三）制定工艺路线.......................................................................6 （四）机械加工余量、工序尺寸及毛坯尺寸的确定.............................9 （五）确定切削用量及基本工时......................................................11 总结………………………………………………………………..37 参考文献..........................................................................................38