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2.7 上机实训——绘制鞋柜立面图
本例通过绘制鞋柜立面图,主要对本章所讲述的绘图单位、绘图界限、视图的缩放、点的输入与捕捉追踪等多种基础操作技能进行综合练习和巩固应用。鞋柜立面图绘制效果如图2-57所示,具体操作步骤如下。
Step 01 单击“标准”工具栏→“新建”按钮,在打开的“选择样板”对话框中选择基础样板,如图2-58所示,创建文件。
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_47_2.jpg?sign=1739310633-cf4Xf5Cun8jg5JgOSlu7aRBC4EOf3mU7-0-09f689a4df2b719fdd289824dfd55e85)
图2-57 鞋柜立面图绘制效果
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_47_3.jpg?sign=1739310633-cxpJS4h7YH8xUurdrEJPrKSffLNbJRZM-0-d3e853e27856d34f578e88bca98c04ac)
图2-58 “选择样板”对话框
Step 02 执行菜单栏“格式”→“图形界限”命令,将图形界限设置为1400个绘图单位x1200个绘图单位,命令行操作如下。
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_47_5.jpg?sign=1739310633-oWU4kgULD2DTHS5NErXtidWyJFKczih4-0-5fdafec9e4b7a2a02c9b989f4a1deaea)
Step 03 执行菜单栏“视图”→“缩放”→“全部”命令,将图形界限全部显示出来。
Step 04 执行菜单栏“格式”→“单位”命令,将绘图单位设置为毫米,设置长度类型为小数,精度为0。
Step 05 单击“绘图”→“直线”按钮,配合坐标输入功能绘制外部轮廓线,命令行操作如下。
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_47_9.jpg?sign=1739310633-R3XywJqOJqPy55Ry51JY7u2YOnCXB1t1-0-996ea89d34c96e8b86838d2988cc537a)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_48_1.jpg?sign=1739310633-VbT6IXxMt8wQTEHNHRJxcX7iGnHcsrvL-0-1da8ff9f3e0eddae569cd81c33794cc6)
Step 06 执行菜单栏“工具”→“绘图设置”命令,在打开的“草图设置”对话框中设置“对象捕捉模式”,如图2-60所示。
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_48_3.jpg?sign=1739310633-r6zVyWtEwo9dNJ7fg4PKvlvxMgP3sD78-0-bd2c36f3301273ec77c650de6a94a9b7)
图2-59 外部轮廓线绘制结果
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_48_4.jpg?sign=1739310633-KUlVnLovw7DhTSeBhdbOq5NDvtuc6WDE-0-7ac77c776db0c1ab5daa91b838cdd6c6)
图2-60 设置“对象捕捉模式”
Step 07 执行菜单栏“绘图”→“直线”命令,配合点的捕捉功能绘制内部的轮廓线,命令行操作如下。
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_48_6.jpg?sign=1739310633-BwOarORAO5Pwyb1P0gZXwIm4iAN6OddM-0-62763c2843b045c7192dcc2c62169fe7)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_48_7.jpg?sign=1739310633-GwBcxdqTivt5xepgXFny65ZnSX9oj8vA-0-b9b98b58000bf54484cef1683511fd73)
图2-61 引出延伸线(一)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_48_8.jpg?sign=1739310633-y1x98hUsP6lugp6PsTwmHUJZv9mkt7So-0-ed6f43a238c966eff0d5a804dd9f77d2)
图2-62 捕捉垂足点(一)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_48_9.jpg?sign=1739310633-6jQlyz8PLiZKIweAj7iOhLenrQ5GBo3M-0-f6786c6ec7c6b4ebaf054f0750ea270b)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_48_10.jpg?sign=1739310633-HuCdI5J6qTHiOfrm6xdB4TMOrEiQ5qiS-0-f5b90f5bdc93bed58b8d85bb1184b9e3)
图2-63 引出延伸线(二)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_48_11.jpg?sign=1739310633-sK6uHodx0Ch8cquHH6LEmngyLdSFrlPs-0-d2b38a60334a230d08f886a818a3572a)
图2-64 捕捉垂足点(二)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_48_12.jpg?sign=1739310633-XaDoGhJNHQnY2e17pGpcZyZOoURlygih-0-4c5f1943c90915b501f1242369016939)
图2-65 内部轮廓绘制结果
Step 08 重复执行“直线”命令,配合两点之间的中点、垂直捕捉和延伸捕捉等功能绘制内部的水平轮廓线,命令行操作如下。
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_49_1.jpg?sign=1739310633-nUMMAMKcI6HxvpHo0SzMU2btD9v1XBay-0-16d151a5d7055c4401dc33baaa9720a1)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_49_2.jpg?sign=1739310633-D4duE06Fchs3KYCGMPdwpuPqfmAFPXi8-0-448361e9f48f3fb28ad06d8e79a877c0)
图2-66 引出延伸线(三)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_49_3.jpg?sign=1739310633-3eDa5rQr4fNwjxrqDEFflga8qNBB8Ci1-0-e4734a4a83724c085788f21aefb34851)
图2-67 捕捉垂足点(三)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_49_4.jpg?sign=1739310633-icqJV02583OKEtLilOwzYGnu2sp44Pg8-0-70cf78d0e5d461ae47afbb4ad21753c8)
图2-68 内部水平轮廓线绘制结果(一)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_49_5.jpg?sign=1739310633-w6iexyDUlyk19W5bSr97l2C82Kt0U5ET-0-53817ef10ca7a68b1f2ebfe2d532f14b)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_49_6.jpg?sign=1739310633-dNNjY1zXKmHi7Rq9syAdBYeHcZxd5Xry-0-d77621dbad6648519e745482cd46bd93)
图2-69 捕捉端点(一)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_49_7.jpg?sign=1739310633-Wrnn5uLzSUiwbawEsmNwEK8lSSCLvSPx-0-45a81458c6a54017f56622268bafff90)
图2-70 捕捉端点(二)
小技巧
在捕捉对象上的特征点时,只需要将光标放在对象的特征点处,系统会自动显示出相应的捕捉标记,此时单击鼠标左键,即可精确捕捉该特征点。
Step 09 执行菜单栏“工具”→“新建UCS”→“原点”命令,以左下侧轮廓线的端点作为原点,对坐标系进行平移,如图2-73所示。
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_49_9.jpg?sign=1739310633-cPjatbFUj8Nx0kOeaPvaRDA9hJWiJU1l-0-f146cda60eb3189c8a08f7209f00dd0a)
图2-71 捕捉垂足点(四)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_49_10.jpg?sign=1739310633-7M2CN0JOJQwu8L9XkcyIcvD1RRtBu6Xm-0-cdeaceb6c2fd69f2fd187d82b0fe7f51)
图2-72 内部水平轮廓线绘制结果(二)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_49_11.jpg?sign=1739310633-ptWbrtwLsIm3e2fZFjXG9qq13dXRIsLC-0-1abc176cd4948fe4288f373b2aeaaabb)
图2-73 平移坐标系
Step 10 执行菜单栏“绘图”→“直线”命令,配合点的坐标输入功能绘制立面图内部结构,命令行操作如下。
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_49_13.jpg?sign=1739310633-nDlmkBPIwpwmdYm8ssDo96Naapr3jxvF-0-9a4fc0ef59f1f5cc5cf45e5a4a073e48)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_50_1.jpg?sign=1739310633-QfRsyXG8VKOYFN7cyGcm8QknQn4pDwjS-0-4751793def12a42baa2f229c5b9e09df)
小技巧
如果输入点的坐标时不慎出错,可以使用放弃功能,放弃上一步操作,而不必重新执行命令。另外,“闭合”选项用于绘制首尾相连的闭合图形。
Step 11 执行菜单栏“格式”→“线型”命令,打开“线型管理器”对话框,单击按钮,从弹出的“线型管理器”对话框中加载一种名为“HIDDEN”的线型,如图2-75所示。
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_50_4.jpg?sign=1739310633-Od16wE8mfEWQbfXJ6fsMbonJDWMpagLr-0-22ae458173731659e534cb5ac224b8d2)
图2-74 立面图内部结构绘制结果
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_50_5.jpg?sign=1739310633-FL9jn87ULVNsfFPuolD4jr42vxm4161N-0-6b2d3d2ae3f8bc5f4e45622a16d8eeb2)
图2-75 加载线型
Step 12 选择“HIDDEN”线型后单击按钮,加载此线型,并设置线型比例参数,如图2-76所示。
Step 13 将刚加载的“HIDDEN”线型设置为当前线型,然后执行菜单栏“格式”→“颜色”命令,设置当前颜色为“洋红”,如图2-77所示。
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_50_9.jpg?sign=1739310633-Ny11BWg3jUe5hAObmpXnwh8RT6Palm32-0-aac9f7622561074f74373cf984a6e318)
图2-76 加载结果
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_50_10.jpg?sign=1739310633-daYZrLoTrbWTUOxBbhraqdRl8FBXjzL8-0-47c51373425af80e42e6812a790e8ea8)
图2-77 设置当前颜色
Step 14 执行菜单栏中的“绘图”→“直线”命令,配合端点捕捉和中点捕捉功能绘制方向线,命令行操作如下。
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_51_1.jpg?sign=1739310633-YtpC8BU439OhBVzyJGU5cbxDTsbiroPE-0-5fc4360a260c133eb68360994f457ad2)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_51_2.jpg?sign=1739310633-26Nvp1MIqc4nVcBvrXtCBMYpv6LV5GlV-0-525906ae198aad680421b4072f837065)
图2-78 捕捉端点(三)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_51_3.jpg?sign=1739310633-5jjONeOMhW7nWdGVe4BECdusRQ7Q9mAm-0-d7de281e0616ebcc32df27360d0138c1)
图2-79 捕捉中点(一)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_51_4.jpg?sign=1739310633-c7VjWwcZMUIIIHGMLt5LNtabddeuU6fP-0-5fe8e5ec621dfdeb6f0c6b825f44ed0c)
图2-80 捕捉端点(四)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_51_5.jpg?sign=1739310633-KdKlFHN6zj43dRDLO1ARUv7lBVxJIHBh-0-f5cefccd28bef68498c01b524c185cb5)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_51_6.jpg?sign=1739310633-jZzIyWM2x8drk7Bn3F860xVfemM7O1KD-0-1f4b690b6ad7e24d3515f535a93ba0a5)
图2-81 捕捉端点(五)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_51_7.jpg?sign=1739310633-6X9oCItHETzdmjqe9L9BkSvM1yXCgPtl-0-044f07cc29385670a5b44fdd8103ad9f)
图2-82 捕捉中点(二)
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_51_8.jpg?sign=1739310633-M8GSPLReEIwdDCzg0uYSdocDlr0BYRyb-0-51f43001740a220b7775986687ce9b0e)
图2-83 捕捉端点(六)
小技巧
当需要结束某个命令时,可以按Enter键;当需要中止某个命令时,可以按Esc键。
Step 15 执行菜单栏“视图”→“显示”→“UCS图标”→“开”命令,隐藏坐标系图标,如图2-85所示。
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_51_10.jpg?sign=1739310633-u4tqEupZ9GEM8Pe7wV1cN4VaAGdxDKZr-0-231b7fb6e90e416bd1d14aeb916c7ac6)
图2-84 绘制结果
![](https://epubservercos.yuewen.com/83FF7C/19118076801950106/epubprivate/OEBPS/Images/39027_51_11.jpg?sign=1739310633-WVG11jLESXSd47AjpgOirdt2iI1UJard-0-dd85676863e99476753dd51467877c71)
图2-85 隐藏坐标系图标
Step 16 单击“标准”工具栏→“保存”按钮,将图形存储为“上机实训.dwg”。