第I页 共Ⅱ页 目录 1 绪论 ......................................................................................................................................... 3 1 .1 课题研究的目的和意义 ...................................................................................................... 3 1 .2 国内外类似制件的工艺现状 .............................................................................................. 4 1 .3 本文的主要工作 .................................................................................................................. 5 2 机械加工工艺规程设计 ...................................................................................................... 7 2 .1 零件的分析 .......................................................................................................................... 7 2 .1 .1 零件图纸 ........................................................................................................................... 7 2 .1 .2 零件的工艺性 ................................................................................................................... 7 2 .2 生产纲领与生产类型 .......................................................................................................... 8 2 .3 毛坯 ...................................................................................................................................... 8 2 .4 拟定工艺路线 ...................................................................................................................... 8 2 .4 .1 定位基准 ........................................................................................................................... 8 2 .4 .2 表面加工方法 ................................................................................................................... 9 2 .4 .3 加工阶段的划分与整合 .....................................................................................
