绪论 ················································································································1
第 1 章 精密机械零件的受力分析与平衡 ································································3
1.1 力学的基本概念 ····················································································3
1.2 约束、约束反力与受力图 ········································································5
1.3 精密机械零件的受力平衡 ········································································8
习题 1 ····································································································· 11
第 2 章 精密机械零件受力变形与应力分析 ··························································· 13
2.1 精密机械零件的强度和刚度 ··································································· 13
2.2 杆件的拉伸与压缩 ··············································································· 14
2.3 机械零件的剪切 ·················································································· 17
2.4 机械零件的扭转 ·················································································· 19
2.5 梁类零件的平面弯曲 ············································································ 23
习题 2 ····································································································· 28
第 3 章 平面机构的运动简图与自由度计算 ··························································· 31
3.1 运动副及其分类 ·················································································· 31
3.2 平面机构运动简图 ··············································································· 35
3.3 平面机构的自由度计算 ········································································· 37
习题 3 ····································································································· 42
第 4 章 平面连杆机构 ······················································································ 44
4.1 铰链四杆机构的基本形式和特性 ····························································· 44
4.2 铰链四杆机构曲柄存在的条件 ································································ 47
4.3 铰链四杆机构的演化 ············································································ 49
4.4 平面四杆机构的设计 ············································································ 51
习题 4 ····································································································· 52
第 5 章 凸轮机构 ···························································································· 54
5.1 凸轮机构的应用和分类 ········································································· 54
5.2 从动件的常用运动规律 ········································································· 55
5.3 图解法设计盘形凸轮轮廓 ······································································ 58
5.4 凸轮机构基本尺寸的确定 ······································································ 59
习题 5 ····································································································· 61
 ·VI·
第 6 章 齿轮传动 ···························································································· 62
6.1 齿轮机构的特点和分类 ········································································· 62
6.2 齿廓啮合基本定理 ··············································································· 62
6.3 渐开线齿廓 ························································································ 63
6.4 齿轮各部分名称及渐开线标准直齿圆柱齿轮的几何尺寸计算 ························· 65
6.5 渐开线标准直齿圆柱齿轮的啮合传动 ······················································· 67
6.6 渐开线齿轮的切齿原理与根切现象 ·························································· 70
6.7 斜齿圆柱齿轮机构 ··············································································· 73
6.8 圆锥齿轮机构 ····················································································· 77
6.9 蜗杆蜗轮机构 ····················································································· 80
6.10 齿轮传动的失效形式及设计准则 ···························································· 84
6.11 齿轮材料及热处理 ·············································································· 86
6.12 齿轮传动精度 ··················································································· 87
6.13 直齿圆柱齿轮传动的强度计算 ······························································· 89
6.14 斜齿圆柱齿轮传动强度计算 ·································································· 94
6.15 直齿圆锥齿轮传动 ············································································· 96
6.16 蜗杆传动 ························································································· 97
6.17 齿轮传动链的设计 ············································································· 99
习题 6 ···································································································· 106
第 7 章 轮系 ································································································· 109
7.1 轮系的类型 ······················································································· 109
7.2 定轴轮系传动比计算 ··········································································· 109
7.3 周转轮系传动比计算 ··········································································· 111
7.4 复合轮系传动比计算 ··········································································· 114
7.5 轮系的功能 ······················································································· 115
7.6 几种特殊的行星齿轮传动简介 ······························································· 117
习题 7 ···································································································· 118
第 8 章 设计概论与精度设计 ············································································ 120
8.1 精密机械设计的要求、程序与方法 ························································· 120
8.2 精密机械零件的强度 ··········································································· 122
8.3 精密机械零件的常用材料及钢的热处理 ··················································· 125
8.4 精密机械零件的结构工艺性 ·································································· 130
8.5 精密机械零件的刚度 ··········································································· 130
8.6 精密机械精度设计 ·············································································· 131
8.7 精度设计原则 ···················································································· 132
8.8 公差与配合 ······················································································· 133
8.9 形状公差与位置公差 ··········································································· 143
习题 8 ···································································································· 147
 ·VII·
第 9 章 带传动 ······························································································ 149
9.1 带传动的类型和应用 ··········································································· 149
9.2 带传动的受力分析 ·············································································· 150
9.3 带传动中带的应力分析 ········································································ 152
9.4 带传动的弹性滑动和打滑 ····································································· 153
9.5 普通 V 带传动的设计计算 ···································································· 154
9.6 V 带轮设计及带传动张紧装置 ······························································· 159
9.7 同步带传动简介 ················································································· 162
习题 9 ···································································································· 167
第 10 章螺旋传动 ························································································· 168
10.1 螺旋传动的类别 ··············································································· 168
10.2 螺旋传动的计算 ··············································································· 168
10.3 螺旋机构误差分析 ············································································ 172
10.4 提高螺旋传动精度的措施···································································· 175
10.5 螺旋传动的结构形式 ········································································· 178
习题 10 ··································································································· 184
第 11 章 轴 ·································································································· 185
11.1 概述 ······························································································· 185
11.2 轴的结构设计 ··················································································· 187
11.3 轴的强度计算 ··················································································· 189
11.4 轴的刚度计算 ··················································································· 192
习题 11 ··································································································· 193
第 12 章 轴承 ······························································································· 195
12.1 轴承的分类 ····················································································· 195
12.2 滑动轴承的结构形式与轴承材料 ··························································· 195
12.3 滚动轴承的基本类型和特点 ································································· 197
12.4 滚动轴承的代号 ··············································································· 199
12.5 滚动轴承的选择计算 ········································································· 201
12.6 滚动轴承的组合设计 ········································································· 205
习题 12 ··································································································· 210
第 13 章 弹性元件及常用机构 ·········································································· 211
13.1 弹性元件 ························································································ 211
13.2 微动机构 ························································································ 222
13.3 示数装置 ························································································ 225
13.4 记录装置 ························································································ 227
13.5 计数装置 ························································································ 229
 ·VIII·
13.6 锁紧装置 ························································································ 230
13.7 减振器 ··························································································· 232
习题 13 ··································································································· 235
第 14 章 基座和导轨 ······················································································ 237
14.1 导轨的作用、特点和分类···································································· 237
14.2 导轨设计的基本要求 ········································································· 238
14.3 导轨导向设计 ·················································································· 242
14.4 滚动导轨 ························································································ 243
14.5 基座 ······························································································ 245
习题 14 ··································································································· 252
第 15 章 连接 ······························································································· 253
15.1 概述 ······························································································ 253
15.2 螺纹的基本知识 ··············································································· 253
15.3 螺纹连接的主要类型及应用 ································································· 256
15.4 螺纹连接的预紧与防松······································································· 257
15.5 键连接和花键连接 ············································································ 260
15.6 销连接 ··························································································· 262
习题 15 ··································································································· 262
参考文献 ······································································································· 263