UG NX 8.0曲面设计教程.pdf

······· 146 6.4.2 修改尺寸文字或尺寸线的位置 ···· 147 6.4.3 编辑尺寸 ································· 147 6.5 尺寸关联 ···································· 148 6.5.1 尺寸关联的概念 ······················· 148 6.5.2 尺寸关联标注模式及相应 系统变量 ································ 148 6.5.3 重新关联 ································· 148 6.5.4 查看尺寸标注的关联模式 ·········· 149 6.6 引线标注 ···································· 149 6.6.1 快速引线标注 ·························· 149 6.6.2 多重引线标注 ·························· 151 6.6.3 多重引线样式管理器 ················· 153 6.7 尺寸标注示例 ···························· 154 6.8 习题 ··········································· 155 第 7 章 图案填充 ································· 157 7.1 图案填充的概念与特点 ············· 157 7.1.1 填充边界 ································· 157 7.1.2 填充方式 ································· 157 7.1.3 填充图案 ································· 158 7.2 “图案填充创建”的面板 ··········· 158 7.2.1 “边界”面板 ···························· 158 7.2.2 “图案”面板 ···························· 160 7.2.3 “特性”面板 ···························· 160 7.2.4 “原点”面板 ···························· 161 7.2.5 “选项”面板 ···························· 161 7.2.6 “关闭”面板 ···························· 163 7.3 “图案填充编辑”的面板 ············ 163 7.4 创建自定义填充图案·················· 163 7.5 创建无边界图案填充的步骤 ······ 164 7.6 截面视图样式管理器·················· 164 7.7 习题 ············································ 165 第 8 章 块与属性 ································· 166 8.1 块的概念与特点 ························· 166 8.1.1 块的概念 ································· 166 8.1.2 块的特点 ································· 166 8.2 块与块文件································· 167 8.2.1 定义块 ····································· 167 8.2.2 定义块文件 ······························ 167 8.3 块的插入 ···································· 168 8.4 动态块定义································· 170 8.5 块与图层的关系 ························· 173 8.6 属性的概念与特点 ····················· 173 8.7 定义属性 ···································· 174 8.8 编辑属性 ···································· 176 8.9 习题 ············································ 177 第 9 章 三维绘图基础知识 ·················· 179 9.1 三维设计概述 ····························· 179 9.2 三维坐标系································· 180 9.3 用户坐标系统 ····························· 181 9.3.1 新建用户坐标系统 ····················· 181 9.3.2 命名 UCS 对话框 ······················ 183 9.4 三维显示 ···································· 185 9.4.1 视图管理器 ······························ 185 9.4.2 视点预设 ································· 185 9.4.3 平面视图 ································· 186 9.4.4 相机 ········································ 186 9.4.5 三维动态观察 ··························· 187 9.4.6 ViewCube ································· 188 9.4.7 模型显示 ································· 189 9.4.8 渲染 ········································ 191 9.5 多视口管理································· 193 9.5.1 通过对话框设置多视口 ·············· 194 9.5.2 使用命令行设置多视口 ·············· 195 9.6 习题 ············································ 195 VII 第 10 章 三维建模 ······························· 196 10.1 创建基本实体 ·························· 196 10.1.1 创建多段体 ···························· 196 10.1.2 创建长方体 ···························· 197 10.1.3 创建球体 ······························· 198 10.1.4 绘制圆柱体 ···························· 199 10.1.5 绘制圆锥体 ···························· 201 10.1.6 楔体 ······································ 202 10.1.7 圆环体 ·································· 202 10.1.8 棱锥体 ·································· 203 10.2 由二维对象创建三维实体或 表面 ········································· 204 10.2.1 拉伸 ······································ 204 10.2.2 旋转 ······································ 205 10.2.3 扫掠 ······································ 207 10.2.4 放样 ··························