精品文档---下载后可任意编辑目 录摘 要 …………………………………………………………………………………………Ⅰ1 CA6140 车床后托架的加工工艺设计.....................................................................31.1 CA6140 车床后托架的结构特点和技术要求..........................................................31.2 CA6140 车床后托架的材料、毛坯和热处理..................................................................31.2.1 毛坯材料及热处理...............................................................................................31.2.2 毛坯的结构确定...................................................................................................41.3 工艺过程设计中应考虑的主要问题...............................................................................41.3.1 加工方法选择的原那么.......................................................................................41.3.2 加工阶段的划分...................................................................................................41.3.3 工序的合理组合...................................................................................................51.3.4 加工顺序的安排...................................................................................................51.4 CA6140 车床后托架的机械加工工艺过程分析..............................................................51.4.1 CA6140 车床后托架零件图分析..........................................................................51.4.2 CA6140 车床后托架的加工工艺的路线..............................................................71.5 CA6140 车床后托架的工序设计....................................................................................121.5.1 工序基准的选择.................................................................................................121.5.2 工序尺寸确实定.................................................................................................121.5.3 加工余量确实定.....................................
