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CAD 作图习题讲解(非参数化)

newdhj
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CAD 作图习题讲解(非参数化)

newdhj
Advisor
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在本社区论坛【脑洞大开】第七期有一作图题:

 

【脑洞大开】第七期.jpg

制作方法

001、根据已知条件画ABC三角形

101.JPG

102、起点、端点,角度画三个弧,分别是:B,A,220;  A,C,260;  C,B,240

102.JPG

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http://a2.qpic.cn/psb?/V11ytv0M41d0a3/eOk8WNcN5Ur5Dxy.zTCPp3EWj7ShGVpvBQ7XkZLNkQg!/m/dDEBAAAAAAAAnull&bo=lgAUAAAAAAARB7I!&rf=photolist&t=5
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newdhj
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两点画圆

107.JPG108.JPG

 

 

 

 

 

 

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http://a2.qpic.cn/psb?/V11ytv0M41d0a3/eOk8WNcN5Ur5Dxy.zTCPp3EWj7ShGVpvBQ7XkZLNkQg!/m/dDEBAAAAAAAAnull&bo=lgAUAAAAAAARB7I!&rf=photolist&t=5
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newdhj
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再做这一题

201.JPG202.JPG

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http://a2.qpic.cn/psb?/V11ytv0M41d0a3/eOk8WNcN5Ur5Dxy.zTCPp3EWj7ShGVpvBQ7XkZLNkQg!/m/dDEBAAAAAAAAnull&bo=lgAUAAAAAAARB7I!&rf=photolist&t=5
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newdhj
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画R50弧半径及两点画圆

 

203.JPGj

移动圆

204.JPG

 

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http://a2.qpic.cn/psb?/V11ytv0M41d0a3/eOk8WNcN5Ur5Dxy.zTCPp3EWj7ShGVpvBQ7XkZLNkQg!/m/dDEBAAAAAAAAnull&bo=lgAUAAAAAAARB7I!&rf=photolist&t=5
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newdhj
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画正四边形
命令: _polygon 输入边的数目 <4>:4
指定正多边形的中心点或 [边(E)]:R50圆心
输入选项 [内接于圆(I)/外切于圆(C)] <I>: c
指定圆的半径:小圆上象限点

205.JPG

206.JPG

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http://a2.qpic.cn/psb?/V11ytv0M41d0a3/eOk8WNcN5Ur5Dxy.zTCPp3EWj7ShGVpvBQ7XkZLNkQg!/m/dDEBAAAAAAAAnull&bo=lgAUAAAAAAARB7I!&rf=photolist&t=5
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已接受的解答

207.JPG208.JPG

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http://a2.qpic.cn/psb?/V11ytv0M41d0a3/eOk8WNcN5Ur5Dxy.zTCPp3EWj7ShGVpvBQ7XkZLNkQg!/m/dDEBAAAAAAAAnull&bo=lgAUAAAAAAARB7I!&rf=photolist&t=5
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newdhj
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209.JPG

左右切、切、切画两个圆

210.JPG

211.JPG

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http://a2.qpic.cn/psb?/V11ytv0M41d0a3/eOk8WNcN5Ur5Dxy.zTCPp3EWj7ShGVpvBQ7XkZLNkQg!/m/dDEBAAAAAAAAnull&bo=lgAUAAAAAAARB7I!&rf=photolist&t=5
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newdhj
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出题:

三十一、三角形内有固定一点O  ,过O点画条直线交于两腰,使两交点与两底角距离相等。如图:

310.JPG

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http://a2.qpic.cn/psb?/V11ytv0M41d0a3/eOk8WNcN5Ur5Dxy.zTCPp3EWj7ShGVpvBQ7XkZLNkQg!/m/dDEBAAAAAAAAnull&bo=lgAUAAAAAAARB7I!&rf=photolist&t=5
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newdhj
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作图方法如下:


311、画已知图形

311.JPG

 

312、画三角形底线的中线及外接圆

 

312.JPG

 

 

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http://a2.qpic.cn/psb?/V11ytv0M41d0a3/eOk8WNcN5Ur5Dxy.zTCPp3EWj7ShGVpvBQ7XkZLNkQg!/m/dDEBAAAAAAAAnull&bo=lgAUAAAAAAARB7I!&rf=photolist&t=5
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newdhj
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313、如图

313.JPG

314、三点画圆及O点的水平线

314.JPG

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http://a2.qpic.cn/psb?/V11ytv0M41d0a3/eOk8WNcN5Ur5Dxy.zTCPp3EWj7ShGVpvBQ7XkZLNkQg!/m/dDEBAAAAAAAAnull&bo=lgAUAAAAAAARB7I!&rf=photolist&t=5
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已接受的解答

315、

315.JPG
316、

316.JPG

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已接受的解答

317、

317.JPG

318、标注,完成。

318.JPG

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