本书重点介绍基于SolidWorks软件进行机构数字仿真分析的思路和方法，主要包括基于Motion插件的运动学、动力学仿真分析以及基于Simulation插件的结构有限元分析。 本书采用项目驱动方式，以项目为载体，融合数字仿真的相关理论和技术。每个项目都包含项目说明、预备知识、项目实施和项目总结，读者可通过实践完成学习过程。全书的20个项目是围绕机械设计行业的需要，对典型任务做适当简化编写而成的，具有较好的应用示范作用。 本书可作为应用型本科及高职高专院校机械类专业的教材，也可作为企业技术人员的参考用书。

项目1　牛头刨床驱动机构建模与仿真 ···············001
一、项目说明 ···················001
二、预备知识 ·····················002
1. 运动学与动力学分析概述 ··············002
2. 运动学与动力学分析的基本概念 ············002
3. 运动学与动力学分析的主要流程 ············003
三、项目实施 ···················004
1. 绘制牛头刨床驱动机构运动简图 ············004
2. 依据机构运动简图自顶向下建模 ············004
3. 依据运动副特点装配模型 ························007
4. 对机构进行运动学仿真分析 ····················010
5. 对机构进行动力学仿真分析 ····················013
四、项目总结···············014
项目2　机械手夹持机构建模与仿真················015
一、项目说明 ············015
二、预备知识 ·············015
1. 各种马达运动规律的选用与设置 ····015
2. 接触问题 ·············016
3. 各种分析结果查询 ···························017
三、项目实施 ························017
1. 绘制机械手夹持器机构运动简图 ····017
2. 利用自顶向下的方法建模 ···············017
3. 为机械手夹持器机构模型添加装配配
　合关系························019
4. 机械手夹持机构运动学仿真 ············020
5. 机械手夹持机构动力学仿真 ············022
四、项目总结 ·················024
项目3　复合轮系传动机构设计与仿真 ················025
一、项目说明 ·······················025
二、预备知识 ·····················025
1. 常用齿轮传动类型 ···························025
2. 定轴轮系与周转轮系 ·······················026
3. 行星轮系与差动轮系 ·······················026
三、项目实施 ····················026
1. 准备轮系所需要的所有齿轮 ············026
2. 装配外啮合圆柱齿轮 ·······················029
3. 装配内啮合圆柱齿轮 ·······················030
4. 装配行星轮系 ····················033
5. 装配锥齿轮 ··················037
6. 增加传动轴和机架 ···························040
7. 复合轮系运动分析 ···························041
四、项目总结 ···············································044
项目4　奥氏仪表机构设计与仿真·················045
一、项目说明 ···············································045
二、预备知识 ···············································045
1. 约束映射 ···········································045
2. 机械配合的使用 ·······························046
3. 弹簧与阻尼 ·······································046
4. 运动学系统与动力学系统 ···············047
三、项目实施 ···············································047
1. 绘制奥氏仪表机构运动简图 ············047
2. 依据机构运动简图自顶向下建模 ····047
3. 依据运动副特点装配模型 ···············050
4. 对机构进行运动学仿真分析 ············055
5. 对机构进行动力学仿真分析 ············057
四、项目总结 ···············································060
项目5　凸轮送料机构设计与仿真·························061
一、项目说明 ···············································061
二、预备知识 ···············································062
1. 利用函数编制程序定义复杂规律的运
动或力 ·······················062
2. 利用轨迹跟踪设计凸轮轮廓 ············064
三、项目实施································064
1. 绘制凸轮送料机构运动简图 ············064
2. 创建凸轮送料机构主要构件模型 ····064
3. 装配凸轮送料机构模型 ···················067
4. 通过运动仿真分析求出凸轮轮廓
　曲线 ·················································071
5. 创建凸轮模型并进行运动学分析 ····073
四、项目总结 ····················074
项目6　槽轮机构设计与仿真·························075
一、项目说明 ···························075
二、预备知识 ·····························075
1. 常见的槽轮机构 ·······························075
2. 槽轮机构等效分析方法 ···················076
三、项目实施·······························076
1. 槽轮机构建模 ···································076
2. 装配槽轮机构 ···································078
3. 槽轮机构运动学仿真 ·······················079
4. 槽轮机构动力学仿真 ·······················080
5. 基于动力学分析结果进行结构
　分析 ·····················081
四、项目总结······················083
项目7　曲柄压力机力平衡分析与冗余处理 ················084
一、项目说明 ····························084
二、预备知识 ·············································085
1. 曲柄压力机静力平衡计算 ···············085
2. 冗余配合 ···········································086
三、项目实施 ···············································087
1. 绘制曲柄压力机机构简图 ···············087
2. 曲柄压力机三维建模 ·······················087
3. 装配曲柄压力机 ·······························090
4. 曲柄压力机动力学分析 ···················091
四、项目总结 ······························094
项目8　双摇杆自动供料设备执行机构设计 ··············095
一、项目说明 ···············································095
二、预备知识 ···············································096
三、项目实施 ···············································096
1. 创建机架和工件模型 ·······················096
2. 根据工件大小建立接盘模型 ············097
3. 利用图解法设计连杆 ·······················097
4. 建立整套装配模型 ···························098
5. 装配各个构件 ···································100
6. 执行运动仿真 ···································102
四、项目总结 ···············································104
项目9　双摇杆自动供料设备驱动机构设计 ················105
一、项目说明 ·····················105
二、预备知识 ···················105
X
SolidWorks 数字仿真项目教程
1. 基于事件的运动仿真 ·······················105
2. 事件的定义 ·······································106
三、项目实施··························107
1. 利用图解法计算驱动机构的尺寸 ····107
2. 驱动机构构件建模 ···························107
3. 驱动机构装配 ···································109
4. 驱动机构仿真 ···································110
5. 利用事件定义实现自动化设计
　建模 ····················· 111
四、项目总结 ·····················112
项目10　剪式举升机机构优化设计 ··················· 113
一、项目说明 ···························113
二、预备知识 ··························113
三、项目实施 ··············································114
1. 建立各个构件模型 ···························114
2. 装配整套机构 ···································115
3. 执行动力学仿真 ·······························117
4. 进行优化设计 ···································118
四、项目总结 ···············································120
项目11　支架结构静应力分析 ····································· 121
一、项目说明 ···············································121
二、预备知识 ···············································122
1. 有限元分析概述 ·······························122
2. 有限元分析典型流程 ·······················122
3. 有限元分析及精度控制 ···················122
4. 实体单元特性 ···································124
5. 应力状态和结果评估 ·······················126
三、项目实施 ···············································126
1. 处理几何模型 ···································126
2. 建立分析算例 ···································127
3. 设置材料参数 ···································128
4. 设置约束关系 ···································128
5. 添加载荷 ···········································129
6. 初步划分网格并试算 ·······················130
7. 利用图解工具查询分析结果 ············131
8. 评估并修正分析模型 ·······················132
9. 细化网格获得精确结果 ···················133
10. 导出分析报告 ·································135
四、项目总结 ···············································135
项目12　水槽的结构分析 ······························· 136
一、项目说明 ···············································136
二、预备知识 ···············································136
1. 壳单元特性 ·······································136
2. 实体转为壳体 ···································137
3. 单元质量的评估 ·······························137
三、项目实施 ···············································139
1. 创建水槽模型并划分实体网格进行评
　估 ······················································139
2. 创建水槽模型面体并划分网格
　评估 ··················································139
3. 水槽壳体模型分析前处理 ···············140
4. 结果分析 ···········································142
四、项目总结 ···············································145
项目13　梁的结构分析··············146
一、项目说明 ···············································146
二、预备知识 ···············································147
1. 梁的剪力图和弯矩图 ·······················147
2. 梁单元与实体单元的特性分析 ········148
3. 各类约束条件 ···································148
三、项目实施 ···············································150
1. 创建梁实体模型 ·······························150
2. 创建分析算例并前处理 ···················151
3. 分析结果后处理 ·······························154
四、项目总结 ···············································155
XI
目　　录
项目14　料斗的结构分析 ···········156
一、项目说明 ·················156
二、预备知识 ··············································156
1. 全局接触 ···········································156
2. 局部接触 ···········································157
3. 结构分析中各种载荷 ·······················158
4. 软弹簧与惯性卸除 ···························158
三、项目实施 ···············································159
1. 创建料斗分析几何模型 ···················159
2. 分析前处理 ·······································160
3. 分析及后处理 ···································162
四、项目总结 ···············································164
项目15　气动夹具的结构分析 ····························165
一、项目说明 ···············································165
二、预备知识 ···············································166
三、项目实施 ···············································169
1. 模型简化处理 ···································169
2. 分析前处理 ·······································170
3. 分析及后处理 ···································174
四、项目总结 ···············································175
项目16　齿轮啮合非线性分析 ····················176
一、项目说明 ···············································176
二、预备知识 ···············································176
1. 模型的2D 简化 ································176
2. 有限元中的非线性问题 ···················177
3. 非线性问题算法 ·······························178
4. 增量控制技术 ···································178
三、项目实施 ···············································179
1. 分析模型简化 ···································179
2. 分析前处理 ·······································180
3. 查阅分析结果 ···································182
四、项目总结 ···············································183
项目17　气缸活塞杆屈曲分析 ······················184
一、项目说明 ···············································184
二、预备知识 ···············································185
1. 压杆稳定性的概念 ···························185
2. 屈曲分析方法 ···································185
三、项目实施 ···············································186
1. 气缸活塞杆静应力分析 ···················186
2. 气缸活塞杆屈曲分析 ·······················187
四、项目总结 ···············································190
项目18　机床床身动态特性分析 ··············191
一、项目说明 ···············································191
二、预备知识 ···············································192
1. 模态分析 ···········································192
2. 谐波分析 ···········································192
三、项目实施 ···············································193
1. 进行模态分析 ···································193
2. 进行谐波分析 ···································196
四、项目总结 ···············································198
项目19　轴的疲劳分析 ·················199
一、项目说明 ···············································199
二、预备知识 ···············································199
1. 疲劳的概念 ·······································199
2. 高周疲劳和低周疲劳 ·······················200
3. 基于应力- 寿命的疲劳分析 ············200
4. 应力- 寿命（S-N）曲线插值 ··········201
SolidWorks 数字仿真项目教程
5. 疲劳分析中的主要参数 ···················202
三、项目实施 ···············································203
1. 受力分析和轴的建模 ·······················203
2. 对轴进行静应力分析 ·······················204
3. 对轴进行疲劳分析 ···························205
四、项目总结 ···············································207
项目20　工业机械手结构优化设计 ···························································································208
一、项目说明 ···············································208
二、预备知识 ···············································209
三、项目实施 ···············································209
1. 机械手静应力结构分析 ···················209
2. 创建优化设计算例 ···························213
四、项目总结 ···············································215
参考文献