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4.3 上机实训一——绘制双开门构件
本节通过绘制如图4-21所示的立面双开门图例,在综合巩固所学知识的前提下,对“修剪”“延伸”“打断”等命令进行综合练习和应用。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_78.jpg?sign=1738824454-P1vhpyiQ5bhAzFB3Wc8qXUclrKNcj9qd-0-96d01e61779355c9773bf40f965a1a78)
图4-21 立面双开门图例
操作步骤
单击“标准”工具栏→“新建”按钮
,新建绘图文件。
打开状态栏上的“对象捕捉”选项卡,并设置捕捉与追踪模式,如图4-22所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_82.jpg?sign=1738824454-otAguqlPCfNkkG5uJLfrgC2YAs4mLd7V-0-522ef2c9648fe56588ddf11f9d7a08bc)
图4-22 “对象捕捉”选项卡
选择菜单栏中的“视图”→“缩放”→“圆心”命令,将视图高度调整为2600个绘图单位。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_84.jpg?sign=1738824454-cI205UguuZAqg2FUSGZzzn1Tz7sF75pm-0-d2967968a6fe26faf87dbc8fda2b99ee)
选择菜单栏中的“绘图”→“矩形”命令,绘制内部的立面门轮廓线。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_86.jpg?sign=1738824454-aU7MzDlrjEQigEab7pzO98lYb14SGC7G-0-98aa42f8662a079d112a835a46125031)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_87.jpg?sign=1738824454-7GPgVyNwhIJ4tk7tTRmZij7URmq6mWwX-0-4daeff8087317e8500604b64be5324b8)
图4-23 绘制结果1
选择菜单栏中的“修改”→“分解”命令,将矩形分解为四条独立的线段。
选择菜单栏中的“修改”→“偏移”命令,对分解后的矩形进行偏移。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_90.jpg?sign=1738824454-7Ot8vuYy8By8wv4OE6iqwDKyhzFvVulf-0-ca5d615c3677a697f5a4995ae4e6c925)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_91.jpg?sign=1738824454-3RRSg6eJm0ndVdr2KpOWKSeUhRZ34dpK-0-07336afe9f7def99aeb19492b7f166f6)
图4-24 偏移结果1
选择菜单栏中的“修改”→“延伸”命令,对内侧的轮廓边进行延伸,命令行提示如下。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_93.jpg?sign=1738824454-XPmcibVYYx3JF17fUbxd0U2cx3UKZbxC-0-b1927f1b2fb0622f822afd13c0f9bc87)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_94.jpg?sign=1738824454-ieMlwzwyxPrOVgURT21xVrQQyu8KJIss-0-b8bba6f66513ead0a38d7e55a603e41f)
图4-25 选择延伸边界1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_95.jpg?sign=1738824454-pH554h66afnatSbC7KF9f0gfFakJ6Y4A-0-3f618f140b762374ff4bfd4be49d2111)
图4-26 延伸结果1
重复执行“延伸”命令,对两侧的垂直轮廓边进行延伸。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_97.jpg?sign=1738824454-eVijE3w8P29aj9HT9ib7yYldbRpHlTz1-0-1ba8443d3c61218a7e1f288e6cce58be)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_98.jpg?sign=1738824454-GJkqCJMvqMhUNjaYEGv4W9EG7qOYxqw2-0-a90d860cef69347f798ecc22000e6207)
图4-27 选择延伸边界2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_99.jpg?sign=1738824454-YUS9Nfr6LAv2R89HfgxvVuoBCO5Wk9PW-0-fd39ca94d0868a46908ded18f8b91b70)
图4-28 延伸结果2
选择菜单栏中的“绘图”→“矩形”命令,配合“捕捉自”功能绘制内部的轮廓线。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_101.jpg?sign=1738824454-s5GtGUrEzSt9ZLDtdwt5ZNkNU5dhSkgr-0-f19f985ae5de585db427f8ca55293674)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_102.jpg?sign=1738824454-kfRbLrggXP0hDE4GYlv4jc0ADvhHutnh-0-d4d98859f3b35239d184955ebf4a3ebd)
图4-29 捕捉交点1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_103.jpg?sign=1738824454-PFbRqBFomAQG7i1bIVdHu3ReYcNMn2XX-0-1357635cc33246d01286e5aff992bba1)
图4-30 捕捉端点
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_104.jpg?sign=1738824454-xSUdd0capRKhRgChjUhOcYjV2MdNDkJj-0-acb150da80a1e55882c9828407a3c528)
图4-31 绘制结果2
选择菜单栏中的“绘图”→“椭圆”命令,配合对象追踪和中点捕捉功能,绘制立面门内部的椭圆。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_106.jpg?sign=1738824454-6SA9xOPs72sl3IeSyJeBbUlbW0eY2HEn-0-f7e0c5c57e8939b11854587501540119)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_107.jpg?sign=1738824454-RnPofsRcPtHyf0rzGu7JWdmJMoSOAHNc-0-3a2fd722b89bebf0ce5a95901c069454)
图4-32 捕捉中点追踪虚线的交点1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_108.jpg?sign=1738824454-KzMGpHhOdwkA8TGps8FUddCTKuHOcnkK-0-159c9511de934a0b581f493708d9c83d)
图4-33 捕捉中点追踪虚线的交点2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_109.jpg?sign=1738824454-F1nLfg0vRPc3OIf4NuVE9S0nInMgT6TC-0-eef0e3e9709761568d90bb10e729ee45)
图4-34 绘制结果3
选择菜单栏中的“修改”→“偏移”命令,将两个椭圆向外偏移124个绘图单位,偏移结果2如图4-35所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_111.jpg?sign=1738824454-r5MP7kDRVorsrHCZsCl7EK4RLM1lzze8-0-a0127e87de7333962f85ee6d1a18ddf7)
图4-35 偏移结果2
单击“修改”面板中的
按钮,对偏移出的椭圆和矩形进行打断。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_114.jpg?sign=1738824454-XdXKpcPQUeTCQEADQTiy8uppLP7gRaPn-0-3e261205675da85602fbeb4dd70bc7fc)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_115.jpg?sign=1738824454-i2t414NxcY89BSV7oEvu6UnuIE49VzQr-0-ddac65e40c102b1851caab663b7d041d)
图4-36 捕捉交点2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_116.jpg?sign=1738824454-DVzUDFUmX3PDfrHEWJT63CGWqhnzRMEa-0-56af377067ccdee94b05b10b7174369a)
图4-37 捕捉交点3
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_117.jpg?sign=1738824454-r9Ln1RtLdmEdj629utmNufpD5BHVtywn-0-b8deae1b973b1b86ae8c41c7125d1404)
图4-38 打断结果
选择菜单栏中的“修改”→“修剪”命令,对内部的矩形进行修剪,命令行提示如下。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_119.jpg?sign=1738824454-HAjS79Af3JEoNufBjtAuj18DZMoeRpuA-0-50db501b015bbc969451981cf3285de5)
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_120.jpg?sign=1738824454-BFvgyvXo3llnjrLvqgc1Td9K2YFQSiT8-0-ee7c6b407ff7f7188749f049b652b69e)
图4-39 单击指定位置1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_121.jpg?sign=1738824454-JsMEdv2W64oSLs38i6YI9i4dsJspOimN-0-0d6ccaedc4074eb4cd3fa486dd55fd0a)
图4-40 单击指定位置2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_122.jpg?sign=1738824454-3hFGW6Xf9kPASb7ZiZNqLBuvI9TUbJBY-0-c10ee7a61cf2ef41014449d966c30c67)
图4-41 修剪结果
参照第12、13步操作,综合使用“打断”和“修剪”命令,对其他图线进行修整。修整结果如图4-42所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_124.jpg?sign=1738824454-JvK9OOjPJ9rdIkIHn4IsR1B1R3X0JeH5-0-9656051406b55faea4081ef8cf8c162a)
图4-42 修整结果
按“C”快捷键执行“圆”命令,配合捕捉和追踪功能,绘制如图4-43所示的圆与直线,其中圆的半径为18个绘图单位。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_126.jpg?sign=1738824454-pglReYW0WCCU6oFYDYrvLBG5akS8Kz8j-0-456a756291b3fd2f6ed390dcf2090926)
图4-43 绘制结果4
将圆之间的两条垂直直线左右偏移10个绘图单位,并删除源直线。偏移结果3如图4-44所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_128.jpg?sign=1738824454-jeA3wDCBZ9koVZhCdDTUgP6ZT3zW1kZD-0-d9a17c8e251d81421513317a40f3b43e)
图4-44 偏移结果3
按“EX”快捷键执行“延伸”命令,将图4-45中的四个圆作为边界,对四条垂直直线进行延伸。延伸结果3如图4-46所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_130.jpg?sign=1738824454-2UiMAayiSFNiJee8xyJdULyiaNio1gY3-0-5b831241e5b360e309fbc03bce67b777)
图4-45 选择结果
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_131.jpg?sign=1738824454-6Uho4XLXDOtIJwRJbRzRjxgO0gpmrHzu-0-580db6a73d4795a91ddd28034d1764df)
图4-46 延伸结果3
选择菜单栏中的“格式”→“颜色”命令,在打开的“选择颜色”对话框中,将当前颜色设置为“102”,如图4-47所示。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_133.jpg?sign=1738824454-IdwNCpksiMWivP2qwKpcyEBu4bxqlCX6-0-deb0b57c5b13e70556b1626453cf7961)
图4-47 设置当前颜色
按“H”快捷键执行“图案填充”命令,打开图案填充和渐变色对话框,设置填充图案和填充参数1如图4-48所示,为立面门填充如图4-49所示的图案。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_135.jpg?sign=1738824454-dLDgygw4wKhyBjjyfU5IpKIBLlEMrrv4-0-86e3948673d2f33f5e4228e005666237)
图4-48 设置填充图案和填充参数1
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_136.jpg?sign=1738824454-PxpsrusARlVa6eJq0rYkViKbUFm80Otl-0-71a3b7d7603bafd46bf96d73d925bbf5)
图4-49 填充结果1
按“H”快捷键执行“图案填充”命令,打开图案填充和渐变色对话框,设置填充图案和填充参数2如图4-50所示,为立面门填充如图4-51所示的图案。
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_138.jpg?sign=1738824454-KipuR4MKp0kIOG22wYGLWKZrAZU5zWUO-0-5e4972aa9b8f97987eb794b3c98c8f5c)
图4-50 设置填充图案和填充参数2
![img](https://epubservercos.yuewen.com/FDE8AD/20862582701479706/epubprivate/OEBPS/Images/txt005_139.jpg?sign=1738824454-c84ZzJXkiVEEDiKcpiDSGeKyiYeDpzSK-0-c3ad7042391f749289412a786d71ccd2)
图4-51 填充结果2
执行“保存”命令,将图形命名存储为“上机实训一.dwg”。