1毕业设计(论文)皮带丛剪机主机架的机械加工工艺及工装设计21系别：机械与车辆工程系专业（班级）：2012级机械设计制造及其自动化2班作者（学号）：张壮（51201012014）指导教师：吕明（副教授）完成日期：20016年5月20日蚌埠学院教务处制23目录中文摘要.....................................................................................................................................1英文摘要.....................................................................................................................................21引言..........................................................................................................................................31.1皮带丛剪机的作用和意义...................................................................................................31.2工艺编程的意义...................................................................................................................31.3刀具，夹具等的选择...........................................................................................................32皮带丛剪机主机架加工工艺.................................................................................................42.1结构件的组成及工艺特点...................................................................................................42.2生产类型的确定...................................................................................................................52.3确定毛坯...............................................................................................................................62.3.1毛坯的选择........................................................................................................................62.3.2确定铸件加工余量、毛坯尺寸及公差............................................................................62.4确定工艺路线.......................................................................................................................82.4.1选择基准............................................................................................................................82.4.2制定工艺路线....................................................................................................................83设备选择...............................................................................................................................103.1机床的选择.........................................................................................................................103.2夹具的设计与选择.............................................................................................................113.2.1夹具的作用......................................................................................................................113.2.2夹具的要求......................................................................................................................113.2.3夹具的组成......................................................................................................................113.2.4定位元件和夹紧元件......................................................................................................123.2.3夹具的确定......................................................................................................................123.3刀具及量具的选择........................
