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时间:2020-04-03
《《AUTOCAD初级培训》PPT课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、AUTOCAD初级培训Aug2009YCN工程2部AUTOCAD界面介绍2Proprietaryinfogoeshere…标题栏菜单栏标准工具条对象属性工具条绘图工具条修改工具条绘图区命令栏状态栏AUTOCAD二维命令Line命令起点(frompoint)终点(topoint)U子命令:作废(UNDO)C子命令:封闭(CLOSE)绝对坐标:(x,y)或极坐标:(距离<角度)相对坐标:(@x增量,y增量)或极坐标:(@距离<角度)3Proprietaryinfogoeshere…AUTOCAD二维命令Circle画圆命令
2、3P/2P/TTR/:圆心+半径圆心+直径圆心,D,数值Diameter/<50.0000>:dDiameter<100.0000>:50三点画圆3P3P/2P/TTR/:3pFirstpoint:输点Secondpoint:输点Thirdpoint:输点4Proprietaryinfogoeshere…AUTOCAD二维命令Circle画圆命令3P/2P/TTR/:两点画圆2PTTR画圆TTR3P/2P/TTR/3、rpoint>:TTREnterTangentspec:输入切点位置EntersecondTangentspec:输入切点位置Radius<44.6763>:输入半径三切点画圆选菜单命令5Proprietaryinfogoeshere…AUTOCAD二维命令特征点的捕捉End端点int交点cen圆心mid中点per垂点tan切点qua四分点nea最近点nod节点(point画出的点)Shift+鼠标工具条物体捕捉设置6Proprietaryinfogoeshere…AUTOCAD二维命令Erase删除Selectobj4、ects:1found选择操作对象Selectobjects:选要删除的对象,选完后回车7Proprietaryinfogoeshere…AUTOCAD二维命令copy复制Selectobjects:1found选择操作对象Selectobjects:选要复制的对象,选完后回车/Multiple:确定一个基点Secondpointofdisplacement:确定另一目标端点多重复制M(Multiple)8Proprietaryinfogoeshere…AUTOCAD二5、维命令mirror镜像复制Selectobjects:1foundSelectobjects:先选对象Firstpointofmirrorline:选镜像线的一个端点Secondpoint:选镜像线的另一个端点Deleteoldobjects?输入回车复制输入Y回车,原来的对象消失9Proprietaryinfogoeshere…AUTOCAD二维命令trim修剪Selectcuttingedges:(Projmode=UCS,Edgemode=Noextend)选取修剪位置,(边界),Selectobjects6、:1found选完后回车/Project/Edge/Undo:点取要修剪的部分。修剪完回车10Proprietaryinfogoeshere…AUTOCAD二维命令extend延伸Selectboundaryedges:选取延伸到的位置(边界)Selectobjects:1found选完后回车/Project/Edge/Undo:点取延伸端。11Proprietaryinfogoeshere…AUTOCAD二维命令Fillet倒圆角(T7、RIMmode)Currentfilletradius=20.0000Polyline/Radius/Trim/:rEnterfilletradius<20.0000>:输入倒角半径重复Fillet命令(重复上一命令用空格或回车)Polyline/Radius/Trim/:点取一条线段Selectsecondobject:点取第二条线段。(注意相交时,点取的位置;R=0)12Proprietaryinfogoeshere…AUTOCAD二维命令8、Linetype线型命令Ltscale线型比例Point画点命令直接给出一个坐标或用光标在图中点一下。点的类型regen重新生成(只有命令)13Proprietaryinfogoeshere…AUTOCAD二维命令rectang矩形命令输入左下角点,输入右上角点polygon正多边形命令(3~1024)1边输入边数,再输入E,输入
3、rpoint>:TTREnterTangentspec:输入切点位置EntersecondTangentspec:输入切点位置Radius<44.6763>:输入半径三切点画圆选菜单命令5Proprietaryinfogoeshere…AUTOCAD二维命令特征点的捕捉End端点int交点cen圆心mid中点per垂点tan切点qua四分点nea最近点nod节点(point画出的点)Shift+鼠标工具条物体捕捉设置6Proprietaryinfogoeshere…AUTOCAD二维命令Erase删除Selectobj
4、ects:1found选择操作对象Selectobjects:选要删除的对象,选完后回车7Proprietaryinfogoeshere…AUTOCAD二维命令copy复制Selectobjects:1found选择操作对象Selectobjects:选要复制的对象,选完后回车/Multiple:确定一个基点Secondpointofdisplacement:确定另一目标端点多重复制M(Multiple)8Proprietaryinfogoeshere…AUTOCAD二
5、维命令mirror镜像复制Selectobjects:1foundSelectobjects:先选对象Firstpointofmirrorline:选镜像线的一个端点Secondpoint:选镜像线的另一个端点Deleteoldobjects?输入回车复制输入Y回车,原来的对象消失9Proprietaryinfogoeshere…AUTOCAD二维命令trim修剪Selectcuttingedges:(Projmode=UCS,Edgemode=Noextend)选取修剪位置,(边界),Selectobjects
6、:1found选完后回车/Project/Edge/Undo:点取要修剪的部分。修剪完回车10Proprietaryinfogoeshere…AUTOCAD二维命令extend延伸Selectboundaryedges:选取延伸到的位置(边界)Selectobjects:1found选完后回车/Project/Edge/Undo:点取延伸端。11Proprietaryinfogoeshere…AUTOCAD二维命令Fillet倒圆角(T
7、RIMmode)Currentfilletradius=20.0000Polyline/Radius/Trim/:rEnterfilletradius<20.0000>:输入倒角半径重复Fillet命令(重复上一命令用空格或回车)Polyline/Radius/Trim/:点取一条线段Selectsecondobject:点取第二条线段。(注意相交时,点取的位置;R=0)12Proprietaryinfogoeshere…AUTOCAD二维命令
8、Linetype线型命令Ltscale线型比例Point画点命令直接给出一个坐标或用光标在图中点一下。点的类型regen重新生成(只有命令)13Proprietaryinfogoeshere…AUTOCAD二维命令rectang矩形命令输入左下角点,输入右上角点polygon正多边形命令(3~1024)1边输入边数,再输入E,输入
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