本书根据教育部最新的职业教育教学改革要求，顺应机械行业企业职业岗位技能的变化，采用最新的国家标准，体现国家倡导的工匠精神、职业精神、产教融合等，按照高等职业教育培养技术技能人才的特点，梳理学生所需的职业能力，以典型任务为主线，内容涵盖制图的基本知识与基本技能、正投影法、几何体的投影、轴测图、组合体、机件常用表达方法、标准件和常用件、零件图、装配图、其他工程图样等。 本书内容紧密联系生产实际，图文并茂，版面灵活，设有知识目标、能力目标、任务引入、相关知识、任务实施、任务评价等环节，便于学生更好地掌握知识和技能。 本书既可作为高等职业院校和技工院校机械类和近机械类专业工程制图课程的教材，也可作为开放大学、成人教育、自学考试的教材，还可作为企业技术人员的参考工具书。与本书配套的习题集同时出版。

孙永华，男，副教授，现任教于山东劳动职业技术学院，教学名师。曾主持"高职毕业设计模式创新研究”和参与"卓越技师一体化课程教学质量评价体系研究”"基于现代学徒制的校企双主体育人实践研究”等10余项省级课题的研究工作；主持省级精品资源共享课《机械制造工艺学》的申报工作，参与省级精品资源共享课《逆向工程设计》《液压与气压传动技术》等建设工作；发表国家级核心论文"高职院校预备技师培养探讨”"433基于工作过程毕业设计模式创新研究”"校企双主体育人模式探索与实践”等3篇，发表省级论文"工艺尺寸链竖式计算方法的应用”"基于尺寸链的夹具设计定位误差微分计算方法”等7篇；主编《机床夹具设计与自动控制毕业设计指导》《工程制图》《工程制图习题集》《计算机绘图应用教程》并参编《一体化液压与气压传动技术》《机械制造工艺学》《机械设计基础课程设计》《UGNX机械设计》等教材。

目 录
绪论 ············································································································.1
任务 认识工程图样 ·················································································.1
模块一 制图的基本知识与基本技能 ·································································.6
任务 1 制图国家标准的基本规定 ·······························································.6
任务 2 常用手工绘图工具及其使用方法 ·····················································.23
任务 3 几何作图 ···················································································.28
任务 4 平面图形的分析与绘制 ·································································.35
模块二 正投影法 ·························································································.40
任务 1 投影法的基本知识 ·······································································.40
任务 2 点的投影 ···················································································.46
任务 3 直线的投影 ················································································.50
任务 4 平面的投影 ················································································.59
模块三 几何体的投影 ···················································································.67
任务 1 平面立体的三视图 ·······································································.67
任务 2 曲面立体的三视图 ·······································································.73
任务 3 平面立体截交线 ··········································································.80
任务 4 曲面立体截交线 ··········································································.85
任务 5 立体与立体相贯 ··········································································.95
模块四 轴测图 ··························································································.105
任务 1 轴测图概述 ··············································································.105
任务 2 正等轴测图 ··············································································.108
任务 3 斜二等轴测图 ·············································································115
模块五 组合体 ··························································································.119
任务 1 组合体的组成分析 ·······································································119
任务 2 组合体的画法 ···········································································.123
任务 3 组合体的尺寸标注 ·····································································.128
任务 4 识读组合体视图 ········································································.135
模块六 机件常用表达方法···········································································.145
任务 1 视图 ·······················································································.145
任务 2 剖视图 ····················································································.150
任务 3 断面图 ····················································································.164
任务 4 其他表达方法 ···········································································.169
模块七 标准件和常用件··············································································.179
任务 1 螺纹及螺纹紧固件 ·····································································.179
任务 2 键、销 ····················································································.193
任务 3 齿轮 ·······················································································.199
任务 4 滚动轴承 ·················································································.204
任务 5 弹簧 ·······················································································.209
模块八 零件图 ··························································································.214
任务 1 零件图的内容及尺寸标注 ····························································.214
任务 2 零件图中的技术要求 ··································································.223
任务 3 零件的结构工艺性 ·····································································.241
任务 4 典型零件表达方案 ·····································································.246
任务 5 读零件图 ·················································································.255
模块九 装配图 ··························································································.262
任务 1 装配图的内容及其表达方法 ·························································.262
任务 2 绘制装配图 ··············································································.272
任务 3 读装配图和拆画零件图 ·······························································.284
模块十 其他工程图样 ·················································································.292
任务 1 焊接图 ····················································································.292
任务 2 电气线路图 ··············································································.299
附录 ·········································································································.305
附录 A 螺纹 ·······················································································.305
附录 B 螺纹紧固件 ··············································································.309
附录 C 极限与配合 ··············································································.319
附录 D 英文图纸常见技术要求 ·······························································.327
参考文献 ···································································································.329