机械技术课程设计手册.doc

机 械 制 造 工 艺 学 课 程 设 计 设计题目：编制放气阀本体工艺规程 与钻Φ5孔的机床夹具设计 专 业： 车辆工程 班 级： 车辆102班 学 号： 10103130229 学生姓名： 魏彦山 指导老师： 徐锐良 吴静波 车 辆 与 工 程 学 院 交 通 2014年 3 月7日 一、设计任务 设计课题:编制放气阀本体工艺规程 钻Φ5孔的机床夹具设计 生产纲领：大批量生产 设计要求： 零件毛坯图 1张 机械加工工艺过程卡片 1套 机械加工主要工序的工序卡片 1套 夹具装配图 1张 夹具零件图 2张 设计说明书 1份 二、设计说明书 目 录 TOC \o 1-3 \h \z \u HYPERLINK \l _Toc23721 引 言············································5 零件的分析·································6 1、1零件的作用·····································6 1.2零件的工艺分析··································6 工艺规程设定·······························7 2.1 确定毛坯的制造形式······························7 2.2粗基准的选择 ···································7 2.3精基准的选择 ··································7 2.4制定工艺路线····································7 2.5机械加工余量、工序尺寸及毛坯尺寸的确定···········8 2.6 确定切削用量及基本工时··························9 第三章 夹具设计··································10 3.1问题的提出·····································10 3.2 钻5mm孔夹具设计························10 3.3定位方案及定位元件的确定与设计··················10 3.4导向方案的选择·································12 3.5定位基准的选择·································12 3.6定位元件的设计·································12 3.7定位误差分析···································13 3.8铣削力与夹紧力计算·····························13 3.9夹具体槽形与对刀装置设计·······················14 3.10夹紧装置及夹具体设计··························15 3.11夹具设计及操作的简要说明······················15 小结·············································15 HYPERLINK \l _Toc486 结 论········································· PAGEREF _Toc486 15 HYPERLINK \l _Toc11489 参考文献········································· PAGEREF _Toc11489 16 前 言 机械制造工艺学课程设计是我们融会贯通大学所学的知识，将理论与实践相结合，对专业知识的综合运用训练，为我们即将走向自己的工作岗位打下良好的基础。 机械加工工艺是规定产品或零件机械加工工艺过程和操作方法，是指导生产的重要的技术性文件。它直