本教材是一本专为机械设计领域学生及从业人员编写的实用指南，系统地介绍了中望CAD软件的应用知识。本书从软件基础入门着手，详细阐述了中望CAD的操作界面、文件管理、基本输入操作等基础知识，确保读者能够快速熟悉软件环境。随后，教材深入到基本绘图设置、二维绘图命令、二维图形编辑等核心技能的讲解，通过丰富的动手学习实例，引导读者逐步掌握机械绘图的关键技术。本教材还涵盖了尺寸标注、表格与图块的创建和编辑，以及三维造型的基础知识和复杂三维造型的技巧，全面提高读者的CAD绘图能力。通过多个综合实例，如球阀三维设计。本书使读者能够将所学知识应用于实际工作中，提升机械设计的专业水平。

赵彦军，男，汉族，1968年2月出生，中共党员，甘肃会宁人，教授，毕业于天津职业技术师范学院，机械制造工艺与设备专业，现任甘肃机电职业技术学院党委书记、校长。

项目一 熟悉中望机械 CAD 基本操作 ····················································.1
任务一 设置操作环境 ·········································································.2
任务二 管理文件 ···············································································.7
任务三 绘制线段 ··············································································.11
任务四 模拟试题与上机实验 ·······························································.13
项目二 绘制简单机械图形 ···································································.17
任务一 绘制阶梯轴 ···········································································.18
任务二 绘制压盖 ··············································································.28
任务三 绘制圆形插板 ········································································.33
任务四 绘制底座 ··············································································.36
任务五 绘制螺母 ··············································································.39
任务六 绘制棘轮 ··············································································.42
任务七 绘制螺丝刀 ···········································································.46
任务八 绘制联轴器 ···········································································.50
任务九 模拟试题与上机实验 ·······························································.58
项目三 绘制复杂机械图形 ···································································.61
任务一 绘制胶木球 ···········································································.62
任务二 绘制阀杆 ··············································································.66
任务三 绘制端盖主视图 ·····································································.69
任务四 绘制端盖左视图 ·····································································.72
任务五 绘制密封垫 ···········································································.77
任务六 绘制挂轮架 ···········································································.84
任务七 绘制传动轴 ···········································································.87
任务八 绘制凸轮卡爪 ········································································.94
任务九 绘制齿轮轴套左视图 ·······························································.99
任务十 模拟试题与上机实验 ·····························································.102
中望机械 CAD 项目式教程（微课版）
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项目四 标注机械图形 ········································································.107
任务一 标注胶木球 ·········································································.108
任务二 标注手把尺寸 ······································································.117
任务三 标注手柄 ············································································.122
任务四 标注泵轴 ············································································.125
任务五 标注传动轴 ·········································································.126
任务六 标注技术要求 ······································································.138
任务七 模拟试题与上机实验 ·····························································.139
项目五 灵活运用辅助绘图工具 ··························································.143
任务一 绘制齿轮参数表 ···································································.144
任务二 创建粗糙度图块 ···································································.150
任务三 保存粗糙度图块 ···································································.152
任务四 创建并标注动态粗糙度 ··························································.154
任务五 绘制明细表 ·········································································.163
任务六 修改明细表内容 ···································································.168
任务七 标注泵轴的表面粗糙度 ··························································.170
任务八 建立紧固件工具选项板 ··························································.174
任务九 模拟试题与上机实验 ·····························································.178
项目六 零件图设计 ···········································································.180
任务一 阀盖设计 ············································································.181
任务二 阀体设计 ············································································.194
任务三 模拟试题与上机实验 ·····························································.211
项目七 装配图设计 ···········································································.214
任务一 球阀装配平面图 ···································································.215
任务二 模拟试题与上机实验 ·····························································.226