ansys專題教程練習(xí)軸承座.ppt

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練習(xí)6軸承座,00128930Nov1999W6-2,軸承座,問題描述建立軸承座的一半模型。結(jié)束后將數(shù)據(jù)庫存儲為p-block.db。,Counterbore1.0R,0.1875deep,Base6x3x1,Web,0.15thick,所有尺寸為英寸,,,,1.75,Four0.75Dholes,0.75offsetfromcorner,,,,Bushing,0.85R,,,Bracket1.5R,0.75thick,,,,,,00128930Nov1999W6-3,軸承座,1.進(jìn)入ANSYS，工作路徑為缺省，工作文件名為“p-block”。2.切換為等軸側(cè)視圖:UtilityMenu>PlotCtrls>Pan,Zoom,Rotate…[ISO]Orissue:/VIEW,1,1,1,13.生成軸承座的底部:MainMenu>Preprocessor>-Modeling-Create>-Volumes-Block>ByDimensions...X1=0,X2=3,Y1=0,Y2=1,Z1=0,Z2=3,then[OK]Orissue:/PREP7BLOCK,0,3,0,1,0,3,00128930Nov1999W6-4,軸承座,3.偏移工作平面到X=2.25,Y=1.25,Z=.75:UtilityMenu>WorkPlane>OffsetWPbyIncrements…SetX,Y,ZOffsets=2.25,1.25,0.75SetXY,YZ,ZXAngles=0,-90,0,then[OK]Orissue:WPOFF,2.25,1.25,0.75WPROT,0,-90,0,00128930Nov1999W6-5,軸承座,4.生成圓柱體，直徑為0.75英尺，高度為1.5英尺:MainMenu>Preprocessor>-Modeling-Create>-Volumes-Cylinder>SolidCylinder+Radius=0.75/2Depth=-1.5,then[OK]Orissue:CYL4,,,0.75/2,,,,-1.55.將柱體拷貝到新的位置，DZ=1.5:MainMenu>Preprocessor>Copy>Volumes+Pickthecylindervolume(Vol.Number2),then[OK]DZ=1.5,then[OK]Orissue:VGEN,2,2,,,,,1.5,,0,00128930Nov1999W6-6,軸承座,6.從軸承座底部減去兩個柱體形成如圖的模型:MainMenu>Preprocessor>-Modeling-Operate>-Booleans-Subtract>Volumes+Pickthebasevolume(Vol.1),then[OK]Pickthetwocylindervolumes(Vols.2and3),then[OK]Orissue:VSBV,1,ALL,00128930Nov1999W6-7,軸承座,7.將工作平面與全局直角坐標(biāo)系對齊:UtilityMenu>WorkPlane>AlignWPwith>GlobalCartesionOrissue:WPCSYS,-1,0VPLOT8.生成其他實(shí)體:MainMenu>Preprocessor>-Modeling-Create>-Volumes-Block>By2Corners&Z+WPX=0WPY=1Width=1.5Height=1.75Depth=0.75,then[OK]Orissue:BLC4,0,1,1.5,1.75,0.759.平移工作平面:UtilityMenu>WorkPlane>OffsetWPto>Keypoints+Pickkeypointatthetopleftcornerofthefrontface,then[OK]Orissue:KWPAVE,16,00128930Nov1999W6-8,軸承座,10.生成1/4圓柱體:MainMenu>Preprocessor>-Modeling-Create>-Volumes-Cylinder>PartialCylinder+WPX=0WPY=0Rad-1=0Theta-1=0Rad-2=1.5Theta-2=90Depth=-0.75,then[OK]Orissue:CYL4,0,0,0,0,1.5,90,-0.75,00128930Nov1999W6-9,軸承座,11.生成要減去的圓柱體:MainMenu>Preprocessor>-Modeling-Create>-Volumes-Cylinder>SolidCylinder+WPX=0WPY=0Radius=1Depth=-0.1875,then[Apply]WPX=0WPY=0Radius=0.85Depth=-2,then[OK]Orissue:CYL4,0,0,1,,,,-0.1875CYL4,0,0,0.85,,,,-2,00128930Nov1999W6-10,軸承座,12.減去生成的兩個圓柱體:MainMenu>Preprocessor>-Modeling-Operate>-Booleans-Subtract>Volumes+Pickthetwovolumesthatformthebaseandthearchofthebushingbracket[Apply]Pickthecounterborecylinder[Apply]Pickthesametwobasevolumes[Apply]Pickthethrough-holecylinder[OK]13.合并重合關(guān)鍵點(diǎn):MainMenu>Preprocessor>NumberingCtrls>MergeItems…SetLabelto“Keypoints”,then[OK]Orissue:NUMMRG,KP,00128930Nov1999W6-11,軸承座,14.生成加強(qiáng)筋:14a.在軸承座前邊界線中間生成一個關(guān)鍵點(diǎn):MainMenu>Preprocessor>-Modeling-Create>Keypoints>KPbetweenKPs+Pickthetwoupperfrontcornerkeypointsofthebase,then[OK]RATI=0.5,then[OK]Orissue:KBETW,7,8,0,RATI,0.5,00128930Nov1999W6-12,軸承座,14b.生成三角形面:MainMenu>Preprocessor>-Modeling-Create>-Areas-Arbitrary>ThroughKPs+Pickthe1stkeypointwherethebaseofthebushingbracketintersectsthebaseofthepillowblockatX=1.5Pickthe2ndkeypointwherethebaseofthebushingbracketintersectsthebottomarchsurfaceatX=1.5Pickthe3rdkeypointthatwascreatedinstep14aatX=1.5,Y=1,Z=3[Ok]Orissue:A,14,15,9,00128930Nov1999W6-13,軸承座,14c.沿面的法線方向拉伸面:MainMenu>Preprocessor>-Modeling-Operate>Extrude>-Areas-AlongNormal+Pickthetriangularareacreatedinstep14b,then[OK]DIST=-0.15,then[OK]Orissue:VOFFST,3,-0.15,00128930Nov1999W6-14,軸承座,15.將生成的所有實(shí)體相加:MainMenu>Preprocessor>-Modeling-Operate>-Booleans-Glue>Volumes+[PickAll]Orissue:VGLUE,ALL16.打開體標(biāo)號并繪制體:UtilityMenu>PlotCtrls>Numbering…SetVolumenumberson,then[OK]Orissue:/PNUM,VOLU,1VPLOT17.存盤并退出ANSYS:Pickthe“SAVE_DB”buttonintheToolbarPickthe“QUIT”buttonintheToolbarSelect“Quit-NoSave!”[OK]Orissue:FINISH/EXIT,ALL,