建模练习_轴承座

Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,INTRODUCTION TO ANSYS 11.0,Training Manual,轴承座,实体建模,:,自上而下,说明,建立轴承座的,1/2,对称实体模型。,以,p-block.db,文件名保存数据库文件,Counterbore,1.0R,0.1875 deep,Base,6 x 3 x 1,Web,0.15 thick,All dimensions in inches,1.75,Four 0.75D holes,0.75 offset,from corner,Bushing,0.85R,Bracket,1.5R,0.75 thick,6F.,实体建模：自上而下,轴承座,1.,按教师指定的工作目录，用,“,p-block”,作为作业名，进入,ANSYS,2.,打开等轴视图方位,:,按,ISO,或用命令:,/VIEW,1,1,1,1,3.,创建轴承座的基础,:,Main Menu Preprocessor Modeling Create Volumes Block By Dimensions,输入,X1=0,X2=3,Y1=0,Y2=1,Z1=0,Z2=3,然后按,OK,或用命令:,/PREP7,BLOCK,0,3,0,1,0,3,6F.,实体建模：自上而下,轴承座,4.,将工作平面移到,X=2.25,Y=1.25,Z=.75:,Utility Menu,WorkPlane,Offset WP by Increments,设置,X,Y,Z Offsets=2.25,1.25,0.75,设置,XY,YZ,ZX Angles=0,-90,0,然后按,OK,或用命令:,WPOFF,2.25,1.25,0.75,WPROT,0,-90,0,6F.,实体建模：自上而下,轴承座,5.,创建直径为,0.75,英寸深度为,-1.5,英寸的圆柱,:,Main Menu Preprocessor Modeling Create Volumes Cylinder Solid Cylinder,输入,Radius,=0.75/2,输入,Depth,=-1.5,然后按,OK,或用命令:,CYL4,0.75/2,-1.5,6.,将圆柱考贝到,DZ=1.5,的新位置,:,Main Menu Preprocessor Modeling Copy Volumes+,拾取柱体,(,体号 2),按,OK,DZ=1.5,按,OK,或用命令:,VGEN,2,2,1.5,0,6F.,实体建模：自上而下,轴承座,7.,从轴承座基础中挖出两个圆孔,:,Main Menu Preprocessor Modeling Operate Booleans Subtract Volumes,拾取轴承座基础的体,(,体 1),按,OK,拾取两个圆柱体,(,体 2 和体3),然后按,OK,或用命令:,VSBV,1,ALL,6F.,实体建模：自上而下,轴承座,8.,在整体坐标系中改变工作平面的相对位置,:,Utility Menu,WorkPlane,Align WP with Global Cartesian,或用命令:,WPCSYS,-1,0,VPLOT,9.,创建套筒托架的基础,:,Main Menu Preprocessor Modeling Create Volumes Block By 2 Corners&Z,WP X=0,WP Y=1,Width=1.5,Height=1.75,Depth=0.75,then OK,或用命令,:,BLC4,0,1,1.5,1.75,0.75,10.,将工作平面移到套筒托架的正面,:,Utility Menu,WorkPlane,Offset WP to Keypoints+,拾取正面左角顶部的关键点,按,OK,或用命令:,KWPAVE,16,6F.,实体建模：自上而下,轴承座,11.,创建套筒托架的拱,:,Main Menu Preprocessor Modeling Create Volumes Cylinder Partial Cylinder,输入,WP X=0,输入,WP Y=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,或用命令:,CYL4,0,0,0,0,1.5,90,-0.75,6F.,实体建模：自上而下,轴承座,12.,通过套筒托架的孔创建圆柱,:,Main Menu Preprocessor Modeling Create Volumes Cylinder Solid Cylinder,WP X=0,WP Y=0,Radius=1,Depth=-0.1875,然后按,Apply,WP X=0,WP Y=0,Radius=0.85,Depth=-2,然后按,OK,或执行:,CYL4,0,0,1,-0.1875,CYL4,0,0,0.85,-2,Counterbore,Through hole,6F.,实体建模：自上而下,轴承座,13.,挖掉两个圆柱，形成轴承座和套筒的孔,:,Main Menu Preprocessor Modeling Operate Booleans Subtract Volumes,拾取两个形成套筒托架拱和基础的体,按,Apply,拾取轴承座柱,按,Apply,拾取同样的两个基础的体,按,Apply,拾取通过孔的圆柱,按,OK,14.,合并相同的关键点:,Main Menu Preprocessor Numbering,Ctrls,Merge Items,设置标号“,Keypoints,”,然后按,OK,或用命令:,NUMMRG,KP,Arch and Base of Bushing Bracket,6F.,实体建模：自上而下,轴承座,1,5.,创建腹板,:,1,5,a.,在基础正面顶边的中间建立一个关键点,:,Main Menu Preprocessor Modeling Create Keypoints KP between,KPs,在基础上拾取两个位于正上方拐角处的关键点，按,OK,RATI=0.5,然后按,OK,或用命令:,KBETW,7,8,0,RATI,0.5,1st Keypoint,6F.,实体建模：自上而下,轴承座,1st Keypoint,2st Keypoint,15b.,创建三角形面,:,Main Menu Preprocessor Modeling Create Areas Arbitrary Through,KPs,在轴承座基础和套筒托架基础相交的位置，拾取第一个关键点,X=1.5,在拱表面底部和套筒托架基础相交的位置，拾取第二个关键点,X=1.5,拾取在,14,a,步骤中建立的位于,X=1.5,Y=1,Z=3,的第三个关键点,按,Ok,或用命令:,A,14,15,9,1st Keypoint,3rd Keypoint,2nd Keypoint,6F.,实体建模：自上而下,轴承座,15c.,沿面的法线方向拉伸面,:,Main Menu Preprocessor Modeling Operate Extrude Areas Along Normal,拾取在步骤,14,b,中建立的三角形面,按,OK,输入,DIST=-0.15,然后按,OK,或用命令:,VOFFST,3,-0.15,6F.,实体建模：自上而下,轴承座,16.,组合体,:,Main Menu Preprocessor Modeling Operate Booleans Glue Volumes,拾取,Pick All,或用命令:,VGLUE,ALL,17.,打开体号的显示开关，画体,:,Utility Menu PlotCtrls Numbering,设置,Volume numbers,选项为,on,按,OK,或用命令:,/PNUM,VOLU,1,VPLOT,18.,保存数据库，退出,ANSYS:,Pick the“SAVE_DB”button in the Toolbar,Pick the“QUIT”button in the Toolbar,选择,“,Quit-No Save!”,按,OK,或用命令:,FINISH,/EXIT,ALL,6F.,实体建模：自上而下,轴承座,连杆,实体建模,:,由下而上,说明,用由下而上建模技术，建立连杆几何模型。,6.5,2.5,0.5,1.8,0.3,1.0R,1.4R,0,.,4R,0.7R,45,o,Spline through six control points,C,L,C,L,Crank,pin end,Wrist,pin end,All dimensions in inches,45,o,0.28,0.4,0.33,4.75,4.0,3.25,6G.,实体建模-由下而上,连杆,1.按教师指定的工作目录，用,“c-rod”,作为作业名，进入,ANSYS。,2.,创建两个圆形面,:,Main Menu Preprocessor Modeling Create Areas Circle By Dimensions,输入,RAD1=1.4,输入,RAD2=1,输入,THETA1=0,输入,THETA2=180,然后选择,Apply,输入,THETA1=45,然后选择,OK,或用命令:,/PREP7,PCIRC,1.4,1,0,180,PCIRC,1.4,1,45,180,3.,打开 面号:,Utility Menu PlotCtrls Numbering.,设置面号为 “,on”,然后选择,OK,或用命令:,/PNUM,AREA,1,APLOT,6G.,实体建模-由下而上,连杆,4.创建两个矩形面,:,Main Menu Preprocessor Modeling Create Areas Rectangle By Dimensions,输入,X1=-0.3,X2=0.3,Y1=1.2,Y2=1.8,然后选择,Apply,输入,X1=-1.8,X2=-1.2,Y1=0,Y2=0.3,然后选择,OK,或用命令:,RECTNG,-0.3,0.3,1.2,1.8,RECTNG,-1.8,-1.2,0,0.3,5.,平移工作面位置,(X=6.5):,Utility Menu,WorkPlane,Offset WP to XYZ Locations+,回车后在输入窗口输入,6.5，,OK,或用命令:,Or issue:,WPAVE,6.5,6G.,实体建模-由下而上,连杆,6.,再创建两个圆形面,:,Main Menu Preprocessor Modeling Create Areas Circle By Dimensions,输入,RAD1=0.7,输入,RAD2=0.4,输入,THETA1=0,输入,THETA2=180,然后选择,Apply,输入,THETA2=135,然后选择,OK,或用命令:,PCIRC,0.7,0.4,0,180,PCIRC,0.7,0.4,0,135,6G.,实体建模-由下而上,连杆,7.,在每一组面上分别进行布尔操作,:,Main Menu Preprocessor Modeling Operate Booleans Overlap Areas,先选择左边的一组面,然后选择,Apply,再选择右边的一组面,然后选择,OK,或用命令:,AOVLAP,1,2,3,4,AOVLAP,5,6,6G.,实体建模-由下而上,连杆,8.,定义四个新的关键点,:,Main Menu Preprocessor Modeling Create Keypoints In Active CS,第一关键点,X=2.5,Y=0.5,然后选择,Apply,第二关键点,X=3.25,Y=0.4,然后