ansys专题教程练习轴承座.ppt

练习6轴承座,00128930Nov1999W6-2,轴承座,问题描述建立轴承座的一半模型。结束后将数据库存储为p-block.db。,Counterbore1.0R,0.1875deep,Base6x3x1,Web,0.15thick,所有尺寸为英寸,1.75,Four0.75Dholes,0.75offsetfromcorner,Bushing,0.85R,Bracket1.5R,0.75thick,00128930Nov1999W6-3,轴承座,1.进入ANSYS，工作路径为缺省，工作文件名为“p-block”。2.切换为等轴侧视图:UtilityMenuPlotCtrlsPan,Zoom,RotateISOOrissue:/VIEW,1,1,1,13.生成轴承座的底部:MainMenuPreprocessor-Modeling-Create-Volumes-BlockByDimensions.X1=0,X2=3,Y1=0,Y2=1,Z1=0,Z2=3,thenOKOrissue:/PREP7BLOCK,0,3,0,1,0,3,00128930Nov1999W6-4,轴承座,3.偏移工作平面到X=2.25,Y=1.25,Z=.75:UtilityMenuWorkPlaneOffsetWPbyIncrementsSetX,Y,ZOffsets=2.25,1.25,0.75SetXY,YZ,ZXAngles=0,-90,0,thenOKOrissue:WPOFF,2.25,1.25,0.75WPROT,0,-90,0,00128930Nov1999W6-5,轴承座,4.生成圆柱体，直径为0.75英尺，高度为1.5英尺:MainMenuPreprocessor-Modeling-Create-Volumes-CylinderSolidCylinder+Radius=0.75/2Depth=-1.5,thenOKOrissue:CYL4,0.75/2,-1.55.将柱体拷贝到新的位置，DZ=1.5:MainMenuPreprocessorCopyVolumes+Pickthecylindervolume(Vol.Number2),thenOKDZ=1.5,thenOKOrissue:VGEN,2,2,1.5,0,00128930Nov1999W6-6,轴承座,6.从轴承座底部减去两个柱体形成如图的模型:MainMenuPreprocessor-Modeling-Operate-Booleans-SubtractVolumes+Pickthebasevolume(Vol.1),thenOKPickthetwocylindervolumes(Vols.2and3),thenOKOrissue:VSBV,1,ALL,00128930Nov1999W6-7,轴承座,7.将工作平面与全局直角坐标系对齐:UtilityMenuWorkPlaneAlignWPwithGlobalCartesionOrissue:WPCSYS,-1,0VPLOT8.生成其他实体:MainMenuPreprocessor-Modeling-Create-Volumes-BlockBy2Corners&Z+WPX=0WPY=1Width=1.5Height=1.75Depth=0.75,thenOKOrissue:BLC4,0,1,1.5,1.75,0.759.平移工作平面:UtilityMenuWorkPlaneOffsetWPtoKeypoints+Pickkeypointatthetopleftcornerofthefrontface,thenOKOrissue:KWPAVE,16,00128930Nov1999W6-8,轴承座,10.生成1/4圆柱体:MainMenuPreprocessor-Modeling-Create-Volumes-CylinderPartialCylinder+WPX=0WPY=0Rad-1=0Theta-1=0Rad-2=1.5Theta-2=90Depth=-0.75,thenOKOrissue:CYL4,0,0,0,0,1.5,90,-0.75,00128930Nov1999W6-9,轴承座,11.生成要减去的圆柱体:MainMenuPreprocessor-Modeling-Create-Volumes-CylinderSolidCylinder+WPX=0WPY=0Radius=1Depth=-0.1875,thenApplyWPX=0WPY=0Radius=0.85Depth=-2,thenOKOrissue:CYL4,0,0,1,-0.1875CYL4,0,0,0.85,-2,00128930Nov1999W6-10,轴承座,12.减去生成的两个圆柱体:MainMenuPreprocessor-Modeling-Operate-Booleans-SubtractVolumes+PickthetwovolumesthatformthebaseandthearchofthebushingbracketApplyPickthecounterborecylinderApplyPickthesametwobasevolumesApplyPickthethrough-holecylinderOK13.合并重合关键点:MainMenuPreprocessorNumberingCtrlsMergeItemsSetLabelto“Keypoints”,thenOKOrissue:NUMMRG,KP,00128930Nov1999W6-11,轴承座,14.生成加强筋:14a.在轴承座前边界线中间生成一个关键点:MainMenuPreprocessor-Modeling-CreateKeypointsKPbetweenKPs+Pickthetwoupperfrontcornerkeypointsofthebase,thenOKRATI=0.5,thenOKOrissue:KBETW,7,8,0,RATI,0.5,00128930Nov1999W6-12,轴承座,14b.生成三角形面:MainMenuPreprocessor-Modeling-Create-Areas-ArbitraryThroughKPs+Pickthe1stkeypointwherethebaseofthebushingbracketintersectsthebaseofthepillowblockatX=1.5Pickthe2ndkeypointwherethebaseofthebushingbracketintersectsthebottomarchsurfaceatX=1.5Pickthe3rdkeypointthatwascreatedinstep14aatX=1.5,Y=1,Z=3OkOrissue:A,14,15,9,00128930Nov1999W6-13,轴承座,14c.沿面的法线方向拉伸面:MainMenuPreprocessor-Modeling-OperateExtrude-Areas-AlongNormal+Pickthetriangularareacreatedinstep14b,thenOKDIST=-0.15,thenOKOrissue:VOFFST,3,-0.15,00128930Nov1999W6-14,轴承座,15.将生成的所有实体相加:MainMenuPreprocessor-Modeling-Operate-Booleans-GlueVolumes+PickAllOrissue:VGLUE,ALL16.打开体标号并绘制体:UtilityMenuPlotCtrlsNumberingSetVolumenumberson,thenOKOrissue:/PNUM,VOLU,1VPLOT17.存盘并退出ANSYS:Pickthe“SAVE_DB”buttonintheToolbarPickthe“QUIT”buttonintheToolbarSelect“Quit-NoSave!”OKOrissue:FINISH/EXIT,ALL,