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1、ANSYS上机指导实体建模练习1:自上而下(轴承座)说明•建立轴承座的半个对称实体模型。•完成后以p-block.db文件名保存数据库文件1.按指定的工作目录,用“p・block”作为作业名,进入ANSYS2.打开等视图方位:一UtilityMenu>PlotCtrls>Pan,Zoom,Rotate...•按[ISO]-或用命令:/VIEW,1,1,1,13.创建轴承座的基础:-MainMenu>Preprocessor>-Modeling-Create>・Volumes-Block>ByDimensions...•输入XI=0,X2
2、=3,Y1=0,Y2=1,Z1=0,Z2=3,然后按[OK]-或用命令:/PREP7BLOCK,0,3,0,1,0,34.将工作平面移到位置X=2.25,Y=1.25,Z=,75:UtilityMenu>WorkPlane>OffsetWPbyIncrements.•-•设置X,Y,ZOffsets=2.25,1.25,0.75•设置XY,YZ,ZXAngles=0,-90,0,然后按[OK]或用命令:WPOFF,2.25,1.25,0.75WPROT,0,-90,0OffsetWPSnapsX.YZOffsets
3、225.125,75
4、HdpAANSYSGraphicsvplottypo-1mnt-1cty*[BSW创建直径为0.75英寸深度为・1.5英寸的实体柱:6.7.MainMenu>Preprocessor>-Modeling-Create>-Volumes-Cylinder>SolidCylinder+•输入Radius=0.75/2•输入Depth=・1.5,然后按[OKJ-或用命令:CYL4,,,0.75/2,,,,4.5将实体柱考贝到DZ=1.5的新位置:-MainMenu>Preprocessor>Copy>Volumes+•拾取柱体(体号2),按[
5、OK]•DZ=1.5,按[OK]-或用命令:VGEN,2,2,,,,,1.5,,0从轴承座基础中挖出两个圆孔:MainMenu>Preprocessor>-Modeling・Operate>-Booleans・Subtract>Volumes+•拾取轴承座基础的体(体1),按[OK]•分别拾取两个圆柱体(体2和体3),然后按[OK]-或用命令:VSBV,1,ALL在整体坐标系中改变工作平面的相对位置:-UtilityMenu>WorkPlane>AlignWPwith>GlobalCartesian-或用命令:WPCSYS,・l,0VP
6、LOT创建套筒托架的基础:-MainMenu>Preprocessor>-Modeling-Create>-Volumes-Block>By2Corners&Z+•输入WPX=O•输入WPY=1•输入width=1.5•输入height=1.75•输入depth=0.75,然后按[OK]-或用命BLC4,0,1,1.5,1.75,0.7510.将工作平面移到套筒托架的正面:-UtilityMenu>WorkPlane>OffsetWPto>Keypoints+•拾取正面左角顶部的关键点,按[OKJ-或用命令:KWPAVE,1611.创建
7、套筒托架的拱:一MainMenu>Preprocessor>-Modeling-Create>-Volumes-Cylinder>PartialCylinder+•输入WPX=0•输入WPY=0•输入Rad-1=0•输入Theta-1=0•输入Rad-2=1.5•输入Theta-2=90•输入Depth=-0.75,然后按[OK]-或用命©:CYL4,0,0,0,0,1.5,90,-0.7512.通过套筒托架的孔创建轴承座的柱:-MainMenu>Preprocessor>-Modeling-Create>-Volumes-Cylind
8、er>SolidCylinder+•WPX=0•WPY=0•Rad=1•深=-0.1875,按[Apply]•WPX=0•WPY=0•Rad=0.85•Depth=2按[OK]-或用命令:CYL4,0,0,l,,,,・0」875CYL4,0,0,0.85,,,,-2AANSYSGraphicsvplottype=1mat=1real-1csys=013.挖掉两个实体柱,形成轴承座和套筒的孔:一MainMenu>Preprocessor>-Modeling-Operate>・Booleans-Subtract>Volumes+•拾取两个形
9、成套筒托架拱和基础的体•按[Apply]•拾取热承座柱•按[Apply]•拾取同样的两个基础的体•按[Apply]•拾取通过孔的圆柱•按[0K]10.创建腹板:14a.在基础正面顶边的中间建立一个关键点:-