精品文档---下载后可任意编辑前言1 绪论....................................................1 机床在国民经济的地位及其进展简史...........................1 组合机床设计的目的、内容、要求............................6设计的目的...............................................6 设计内容...............................................6 设计要求...............................................6 组合机床的设计步骤........................................7调查讨论.................................................7 拟定方案...............................................7 工作图设计.............................................72 零件分析.................................................8 零件的结构特点及其技术要求................................8 零件结构特点............................................8 技术要求................................................8. 零件的生产批量及其机床的使用..............................9 零件的生产批量..........................................9 机床的使用条件..........................................9 零件工艺方案...............................................9 生产工艺方案............................................93 组合机床的总体设计....................................11 组合机床方案的制定.......................................11制定工艺方案............................................11 确定组合机床的配置形式和结构方案。....................11 确定切削用量及选择刀具...................................13 确定工序间余量........................................13精品文档---下载后可任意编辑 选择切削用量..........................................13 确定切削力、切削扭矩、切削功率........................14 选择刀具结构..........................................15钻孔组合机床总设计“三图一卡”的编制.......................15 被加工零件工序图......................................15 加工示意图............................................17 机床联系尺寸图........................................21 生产率计算卡...............................
