二维工程图设计.ppt

Click to edit Master title style,Click to edit Master subtitle style,Second level,Third level,*,计算机辅助设计,第五讲,二维工程图设计,1,Copyright DASSAULT SYSTEMES 2002,From 1-Start menu,or 2-Workbench Icon,or 3-,4,、从其他单元进入,1,2,3,一、工程图介绍,=,=,进入方式,2,Copyright DASSAULT SYSTEMES 2002,Ways to Generate a Drawing,1-,2-Start menu,3-Workbench Icon,4-New Icon,2,1,4,3,从零件设计进入工程制图,3,Copyright DASSAULT SYSTEMES 2002,设定图纸格式及标准,4,Copyright DASSAULT SYSTEMES 2002,Dimension properties,Text properties,Set Default Switch,Graphic Properties,工程制图界面简介,1,2,3,4,5,6,7,8,6,Copyright DASSAULT SYSTEMES 2002,先添加图纸背景,1,2,再插入图框和标题栏,添加 图框及标题栏,7,Copyright DASSAULT SYSTEMES 2002,You will learn how to save an Drawing Document,Saving a Drawing Document,保存,8,Copyright DASSAULT SYSTEMES 2002,生成主视图,Create a front view either from a part,sub-body of a part,product,or from the sub-part of a product using a reference plane.,1,2,Start the drawing with a blank sheet,Select the Front View icon,3,Switch or activate the CATPart or CATProduct document(window),10,Copyright DASSAULT SYSTEMES 2002,Rotating the Front View Background with the View Manipulators(1/2),clicking up arrow,clicking center left arrow,clicking right arrow,Up,down,right,and,left,arrows flip background plane view,90 degrees.,Center left,and,right,arrows rotate view,30 degrees,in the same plane.The 30 degrees increment can be changed with the contextual menu on the dial.,When finished,click on dial center or anywhere on sheet to generate the Front View.,11,Copyright DASSAULT SYSTEMES 2002,Select the Isometric icon,1,添加三维轴侧图,3,A preview of the Isometric View displays,4,Select anywhere on the drawing to generate the view,2,Select a face on the part in the Part or Product document,13,Copyright DASSAULT SYSTEMES 2002,To create the auxiliary view below,1,2,Active the front view and select the “auxiliary view”icon,向视图,15,Copyright DASSAULT SYSTEMES 2002,To create the auxiliary view below,1,2,Active the front view and select the “auxiliary view”icon,局部视图,16,Copyright DASSAULT SYSTEMES 2002,To create the auxiliary view below,1,2,Active the front view and select the “auxiliary view”icon,局部视图的裁剪,18,Copyright DASSAULT SYSTEMES 2002,To create the auxiliary view below,1,2,Active the front view and select the “auxiliary view”icon,局部视图的裁剪,19,Copyright DASSAULT SYSTEMES 2002,To create the auxiliary view below,1,2,Active the front view and select the “auxiliary view”icon,3,斜视图,4,20,Copyright DASSAULT SYSTEMES 2002,To create the auxiliary view below,1,2,Active the front view and select the “auxiliary view”icon,3,斜视图的裁剪,21,Copyright DASSAULT SYSTEMES 2002,To create the auxiliary view below,1,2,Active the front view and select the “auxiliary view”icon,斜视图的裁剪,22,Copyright DASSAULT SYSTEMES 2002,剖视图,剖视图与断面图,断面图,24,Copyright DASSAULT SYSTEMES 2002,Select the circle A,double click at B,then place the view C,The section is added,(A),1,Activate the front view and select the desired Section View icon,2,3,4,(B),(C),将主视图生成全剖视图的过程,2,25,Copyright DASSAULT SYSTEMES 2002,Select the circle A,double click at B,then place the view C,The section is added,(A),1,Activate the front view and select the desired Section View icon,2,3,4,(B),(C),将主视图生成半剖视图的过程,2,26,Copyright DASSAULT SYSTEMES 2002,Select the circle A,double click at B,then place the view C,The section is added,(A),1,Activate the front view and select the desired Section View icon,2,3,4,(B),(C),用两相交剖切面，将主视图生成全剖视图的过程,28,Copyright DASSAULT SYSTEMES 2002,Select the circle A,double click at B,then place the view C,The section is added,(A),1,Activate the front view and select the desired Section View icon,2,3,4,(B),用垂直于投影面的剖切面剖切，生成斜剖视图的过程,29,Copyright DASSAULT SYSTEMES 2002,双击后下拉，确定断面图位置,完成移出断面图,1,画出剖切位置,2,3,4,用 （断面图命令）生成移出断面图的过程,点击按钮,31,Copyright DASSAULT SYSTEMES 2002,双击后下拉，确定断面图位置,完成移出断面图,1,画出剖切位置,2,3,4,用 （断面图命令）生成移出断面图的过程,点击按钮,32,Copyright DASSAULT SYSTEMES 2002,双击后下拉，确定断面图位置,移入视图后，将粗线改为细线完成重合断面图,1,画出剖切位置,2,3,4,用 （断面图命令）生成才重合断面图的过程,点击按钮,33,Copyright DASSAULT SYSTEMES 2002,局部放大视图,1,Full Detail,:The geometry for the view is calculated from the 3D part with a boolean operation of the callouts perimeter.,Circular Callout,Pro,Quick Detail,:The geometry for the view is calculated from the 2D projection of the view.,2,Pro,34,Copyright DASSAULT SYSTEMES 2002,左泵体的表达方案,35,Copyright DASSAULT SYSTEMES 2002,三维修改后需要点击更新按钮 ；二维视图中也需点击 按钮，二、三维之间即可对应更改。,修改二维视图，确定表达方案要修改的视图需先激活。,36,Copyright DASSAULT SYSTEMES 2002,37,Copyright DASSAULT SYSTEMES 2002,38,Copyright DASSAULT SYSTEMES 2002,