建模练习_轴承座

1、Training Manual实体建模实体建模: 自上而下自上而下INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual说明说明建立轴承座的建立轴承座的1/2对称对称实体模型。实体模型。以以p-block.db 文件名保文件名保存数据库文件存数据库文件Counterbore1.0R, 0.1875 deepBase6 x 3 x 1Web, 0.15 thickAll dimensions in inches1.75Four 0.75D holes,0.75 offsetfrom cornerBushing, 0.

2、85RBracket1.5R, 0.75 thickINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual1.按教师指定的工作目录，用按教师指定的工作目录，用“p-block”作为作业名，作为作业名， 进入进入 ANSYS2.打开等轴视图方位打开等轴视图方位:按按ISO或用命令或用命令:/VIEW,1,1,1,13.创建轴承座的基础创建轴承座的基础 :Main Menu Preprocessor Modeling Create Volumes Block By Dimensions输入输入 X1 = 0, X2 =

3、 3, Y1 = 0, Y2 = 1, Z1 = 0, Z2 = 3,然后按然后按OK或用命令或用命令:/PREP7BLOCK,0,3,0,1,0,3 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual4.将工作平面移到将工作平面移到 X=2.25, Y=1.25, Z=.75:Utility Menu WorkPlane Offset WP by Increments 设置设置 X,Y,Z Offsets = 2.25, 1.25, 0.75设置设置XY, YZ, ZX Angles = 0, -90, 0,

4、 然后按然后按 OK或用命令或用命令:WPOFF, 2.25, 1.25, 0.75WPROT, 0, -90, 0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual5.创建直径为创建直径为0.75 英寸深度为英寸深度为-1.5 英寸的圆柱英寸的圆柱 :Main Menu Preprocessor Modeling Create Volumes Cylinder Solid Cylinder输入输入Radius = 0.75/2输入输入Depth = -1.5, 然后按然后按 OK或用命令或用命令:CYL4,

5、, ,0.75/2, , , ,-1.56.将圆柱考贝到将圆柱考贝到DZ=1.5的新位置的新位置 :Main Menu Preprocessor Modeling Copy Volumes +拾取柱体拾取柱体 (体号体号 2),按按 OKDZ = 1.5, 按按 OK或用命令或用命令:VGEN,2,2, , , , ,1.5, ,0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual7.从轴承座基础中挖出两个圆孔从轴承座基础中挖出两个圆孔:Main Menu Preprocessor Modeling Opera

6、te Booleans Subtract Volumes拾取轴承座基础的体拾取轴承座基础的体 (体体 1), 按按 OK拾取两个圆柱体拾取两个圆柱体 (体体 2 和体和体3), 然后按然后按 OK或用命令或用命令:VSBV, 1, ALLINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual8.在整体坐标系中改变工作平面的相对位置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或用命令或用命令:WPCSYS,-1,0VP

7、LOT9.创建套筒托架的基础创建套筒托架的基础:Main Menu Preprocessor Modeling Create Volumes Block By 2 Corners & ZWP X = 0WP Y = 1Width = 1.5Height = 1.75Depth = 0.75, then OK或用命令或用命令:BLC4,0,1,1.5,1.75,0.7510.将工作平面移到套筒托架的正面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拾取正面左角顶部的关键点,按按 OK或用

8、命令或用命令:KWPAVE, 16INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual11.创建套筒托架的拱创建套筒托架的拱:Main Menu Preprocessor Modeling Create Volumes Cylinder Partial Cylinder输入输入WP X = 0输入输入WP Y = 0输入输入Rad-1 = 0输入输入Theta-1 = 0输入输入Rad-2 = 1.5输入输入Theta-2 = 90输入输入Depth = -0.75, 然后按然后按 OK或用命令或用命令:CYL4

9、,0,0,0,0,1.5,90,-0.75INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual12.通过套筒托架的孔创建圆柱通过套筒托架的孔创建圆柱:Main Menu Preprocessor Modeling Create Volumes Cylinder Solid CylinderWP X = 0WP Y = 0Radius = 1Depth = -0.1875,然后按然后按 ApplyWP X = 0WP Y = 0Radius = 0.85Depth = -2, 然后按然后按 OK或执行或执行:CYL

10、4,0,0,1, , , ,-0.1875CYL4,0,0,0.85, , , ,-2 Counterbore Through holeINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual13.挖掉两个圆柱，形成轴承座和套筒的孔挖掉两个圆柱，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拾取两个形成套筒托架拱和基础的体按按Apply拾取轴承座柱拾取轴承座柱按按Apply拾取同样

11、的两个基础的体拾取同样的两个基础的体按按Apply拾取通过孔的圆柱拾取通过孔的圆柱按按OK14.合并相同的关键点合并相同的关键点:Main Menu Preprocessor Numbering Ctrls Merge Items设置标号设置标号 “Keypoints”,然后按然后按 OK或用命令或用命令:NUMMRG,KPArch and Base of Bushing BracketINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual15. 创建腹板创建腹板:15a. 在基础正面顶边的中间建立一个关键点在基础

12、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，按在基础上拾取两个位于正上方拐角处的关键点，按 OKRATI = 0.5, 然后按然后按OK或用命令或用命令:KBETW,7,8,0,RATI,0.51st Keypoint1st Keypoint2st KeypointINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual15b.创建三角形面创建三角形面:Main M

13、enu 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=1.5拾取在拾取在14a步骤中建立的位于步骤中建立的位于X=1.5, Y=1, Z=3的第三个关键点的第三个关键点按按Ok或用命令或用命令:A,14,15,91st Keypoint3rd Keypoint2nd KeypointINTRODUC

14、TION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual15c.沿面的法线方向拉伸面沿面的法线方向拉伸面:Main Menu Preprocessor Modeling Operate Extrude Areas Along Normal拾取在步骤拾取在步骤14b中建立的三角形面中建立的三角形面,按按 OK输入输入DIST = -0.15, 然后按然后按OK或用命令或用命令:VOFFST,3,-0.15INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manua

15、l16.组合体组合体: Main Menu Preprocessor Modeling Operate Booleans Glue Volumes拾取拾取Pick All或用命令或用命令:VGLUE,ALL17.打开体号的显示开关，画体打开体号的显示开关，画体:Utility Menu PlotCtrls Numbering 设置设置 Volume numbers选项为选项为 on, 按按 OK或用命令或用命令:/PNUM,VOLU,1VPLOT18.保存数据库，退出保存数据库，退出 ANSYS:Pick the “SAVE_DB” button in the ToolbarPick the

16、“QUIT” button in the Toolbar选择选择 “Quit - No Save!”按按OK 或用命令或用命令:FINISH/EXIT,ALLTraining Manual实体建模实体建模: 由下而上由下而上INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual说明说明用由下而上建模用由下而上建模技术，建立连杆技术，建立连杆几何模型。几何模型。6.52.50.51.80.31.0R1.4R0.4R0.7R45oSpline through six control pointsCLCLCrank pi

17、n endWrist pin endAll dimensions in inches45o0.280.40.334.754.03.25INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual1.按教师指定的工作目录，用按教师指定的工作目录，用“c-rod” 作为作业名，进入作为作业名，进入ANSYS。2.创建两个圆形面创建两个圆形面:Main Menu Preprocessor Modeling Create Areas Circle By Dimensions输入输入RAD1 = 1.4输入输入RAD2 = 1输入

18、输入THETA1 = 0输入输入THETA2 = 180, 然后选择然后选择Apply输入输入THETA1 = 45, 然后选择然后选择OK或用命令或用命令:/PREP7PCIRC,1.4,1,0,180 PCIRC,1.4,1,45,1803.打开打开 面号面号:Utility Menu PlotCtrls Numbering .设置面号为设置面号为 “on”, 然后选择然后选择OK或用命令或用命令:/PNUM,AREA,1APLOTINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual4.创建两个矩形面创建两个

19、矩形面:Main Menu Preprocessor Modeling Create Areas Rectangle By Dimensions输入输入X1 = -0.3, X2 = 0.3, Y1 = 1.2, Y2 = 1.8, 然后选择然后选择Apply输入输入X1 = -1.8, X2 = -1.2, Y1 = 0, Y2 = 0.3, 然后选择然后选择OK或用命令或用命令:RECTNG,-0.3,0.3,1.2,1.8RECTNG,-1.8,-1.2,0,0.35.平移工作面位置平移工作面位置(X=6.5):Utility Menu WorkPlane Offset WP to XY

20、Z Locations +回车后在输入窗口输入回车后在输入窗口输入 6.5 ， OK或用命令或用命令:Or issue:WPAVE,6.5INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual6.再创建两个圆形面再创建两个圆形面:Main Menu Preprocessor Modeling Create Areas Circle By Dimensions输入输入RAD1 = 0.7输入输入RAD2 = 0.4输入输入THETA1 = 0输入输入THETA2 = 180, 然后选择然后选择Apply输入输入THE

21、TA2 = 135, 然后选择然后选择OK或用命令或用命令:PCIRC,0.7,0.4,0,180 PCIRC,0.7,0.4,0,135INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual7.在每一组面上分别进行布尔操作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先选择左边的一组面, 然后选择然后选择Apply再选择右边的一组面再选择右边的一组面, 然后选择然后选择OK或用命令或用命令

22、:AOVLAP,1,2,3,4AOVLAP,5,6INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual8.定义四个新的关键点定义四个新的关键点:Main Menu Preprocessor Modeling Create Keypoints In Active CS第一关键点第一关键点, X=2.5, Y=0.5, 然后选择然后选择Apply第二关键点第二关键点, X=3.25, Y=0.4, 然后选择然后选择Apply第三关键点第三关键点, X=4, Y=0.33, 然后选择然后选择Apply第四关键点第四关键

23、点, X=4.75, Y=0.28, 然后选择然后选择OK或用命令或用命令:K, ,2.5,0.5K, ,3.25,0.4K, ,4.0,0.33K, ,4.75,0.289.激活整体柱坐标系激活整体柱坐标系:Utility Menu WorkPlane Change Active CS to Global Cylindrical或用命令或用命令:CSYS,1INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual10. 创建一条线（由一系列关键点拟合一条样条曲线）创建一条线（由一系列关键点拟合一条样条曲线）:Mai

24、n Menu Preprocessor Modeling Create Lines Splines With Options Spline thru KPs顺序拾取如图形窗口所示的六个关键点顺序拾取如图形窗口所示的六个关键点, 然后选择然后选择OK1st kp6th kp3rd kp5th kp2nd kp4th kpINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual10. (续续): 输入输入XV1 = 1 (总体柱坐标系，关键点总体柱坐标系，关键点 1 处的半径处的半径)YV1 = 135 (总体柱坐标系，

25、关键点总体柱坐标系，关键点 1 处的角度处的角度)XV6 = 1 (总体柱坐标系，关键点总体柱坐标系，关键点 6 处的半径处的半径)YV6 = 45 (总体柱坐标系，关键点总体柱坐标系，关键点 6 处的角度处的角度)按按OK或用命令或用命令:BSPLIN,5,6,7,21,24,22,1,135,1,45INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual11.通过关键点通过关键点1和和18创建一条直线创建一条直线 :Main Menu Preprocessor Modeling Create Lines Lin

26、es Straight Line拾取图形窗口所示的两个关键点拾取图形窗口所示的两个关键点, 然后选择然后选择OK或用命令或用命令:LSTR, 1, 181st kp2nd kpINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual12.打开线号，显示线打开线号，显示线:Utility Menu PlotCtrls Numbering .设置设置 Line numbers为为 “on”, 然后选择然后选择OKUtility Menu Plot Lines或用命令或用命令:/PNUM,LINE,1LPLOT13.以以6

27、号、号、1号、号、7号、号、25号线为边界创建一个新面号线为边界创建一个新面:Main Menu Preprocessor Modeling Create Areas Arbitrary By Lines拾取四条线拾取四条线 (6, 1, 7, 和和 25), 然后选择然后选择OK或用命令或用命令:AL, 6, 1, 7, 25INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual14.放大连杆左边部分放大连杆左边部分:Use the Zoom Model Icon in the Model Control Too

28、lbarINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual15.创建线与线的倒角创建线与线的倒角:Main Menu Preprocessor Modeling Create Lines Line Fillet拾取线拾取线 36 和和 40, 然后选择然后选择Apply输入输入RAD = .25, 然后选择然后选择Apply拾取线拾取线 40和和 31, 然后选择然后选择Apply按按Apply拾取线拾取线 30和和 39, 然后选择然后选择OK按按OKUtility Menu Plot Lines或用命令或用

29、命令:LFILLT,36,40,0.25LFILLT,40,31,0.25LFILLT,30,39,0.25LPLOTINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual16.以倒角线为边界，创建新面以倒角线为边界，创建新面:Main Menu Preprocessor Modeling Create Areas Arbitrary By Lines拾取线拾取线 12, 10, 和和 13, 然后选择然后选择Apply拾取线拾取线 17, 15, 和和19, 然后选择然后选择Apply拾取线拾取线 23, 21, 和和24, 然后选择然后选择OKUtility Menu Plot Areas或用命令或用命令:AL, 12, 10, 13AL, 17, 15, 19AL, 23, 21, 24APLOTINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual17.把所有的面加起来把所有的面加起来:Main Menu Preprocessor Modeling Operate Booleans Add Areas拾取拾取Pick All或用命令或用命令:AADD,ALL1