建模練習_軸承座

1、Training Manual實體建模實體建模: 自上而下自上而下INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual說明說明建立軸承座的建立軸承座的1/2對稱對稱實體模型。實體模型。以以p-block.db 文件名保文件名保存數(shù)據(jù)庫文件存數(shù)據(jù)庫文件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.按教師指定的工作目錄，用按教師指定的工作目錄，用“p-block”作為作業(yè)名，作為作業(yè)名， 進入進入 ANSYS2.打開等軸視圖方位打開等軸視圖方位:按按ISO或用命令或用命令:/VIEW,1,1,1,13.創(chuàng)建軸承座的基礎創(chuàng)建軸承座的基礎 :Main Menu Preprocessor Modeling Create Volumes Block By Dimensions輸入輸入 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.將工作平面移到將工作平面移到 X=2.25, Y=1.25, Z=.75:Utility Menu WorkPlane Offset WP by Increments 設置設置 X,Y,Z Offsets = 2.25, 1.25, 0.75設置設置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.創(chuàng)建直徑為創(chuàng)建直徑為0.75 英寸深度為英寸深度為-1.5 英寸的圓柱英寸的圓柱 :Main Menu Preprocessor Modeling Create Volumes Cylinder Solid Cylinder輸入輸入Radius = 0.75/2輸入輸入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.將圓柱考貝到將圓柱考貝到DZ=1.5的新位置的新位置 :Main Menu Preprocessor Modeling Copy Volumes +拾取柱體拾取柱體 (體號體號 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.從軸承座基礎中挖出兩個圓孔從軸承座基礎中挖出兩個圓孔:Main Menu Preprocessor Modeling Opera

6、te Booleans Subtract Volumes拾取軸承座基礎的體拾取軸承座基礎的體 (體體 1), 按按 OK拾取兩個圓柱體拾取兩個圓柱體 (體體 2 和體和體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.在整體坐標系中改變工作平面的相對位置在整體坐標系中改變工作平面的相對位置:Utility Menu WorkPlane Align WP with Global Cartesian或用命令或用命令:WPCSYS,-1,0VP

7、LOT9.創(chuàng)建套筒托架的基礎創(chuàng)建套筒托架的基礎: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.將工作平面移到套筒托架的正面將工作平面移到套筒托架的正面:Utility Menu WorkPlane Offset WP to Keypoints +拾取正面左角頂部的關鍵點拾取正面左角頂部的關鍵點,按按 OK或用

8、命令或用命令:KWPAVE, 16INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual11.創(chuàng)建套筒托架的拱創(chuàng)建套筒托架的拱:Main Menu Preprocessor Modeling Create Volumes Cylinder Partial Cylinder輸入輸入WP X = 0輸入輸入WP Y = 0輸入輸入Rad-1 = 0輸入輸入Theta-1 = 0輸入輸入Rad-2 = 1.5輸入輸入Theta-2 = 90輸入輸入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.通過套筒托架的孔創(chuàng)建圓柱通過套筒托架的孔創(chuàng)建圓柱: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或執(zhí)行或執(zhí)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.挖掉兩個圓柱，形成軸承座和套筒的孔挖掉兩個圓柱，形成軸承座和套筒的孔:Main Menu Preprocessor Modeling Operate Booleans Subtract Volumes拾取兩個形成套筒托架拱和基礎的體拾取兩個形成套筒托架拱和基礎的體按按Apply拾取軸承座柱拾取軸承座柱按按Apply拾取同樣

11、的兩個基礎的體拾取同樣的兩個基礎的體按按Apply拾取通過孔的圓柱拾取通過孔的圓柱按按OK14.合并相同的關鍵點合并相同的關鍵點:Main Menu Preprocessor Numbering Ctrls Merge Items設置標號設置標號 “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. 創(chuàng)建腹板創(chuàng)建腹板:15a. 在基礎正面頂邊的中間建立一個關鍵點在基礎

12、正面頂邊的中間建立一個關鍵點:Main Menu Preprocessor Modeling Create Keypoints KP between KPs在基礎上拾取兩個位于正上方拐角處的關鍵點，按在基礎上拾取兩個位于正上方拐角處的關鍵點，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.創(chuàng)建三角形面創(chuàng)建三角形面:Main M

13、enu Preprocessor Modeling Create Areas Arbitrary Through KPs在軸承座基礎和套筒托架基礎相交的位置，拾取第一個關鍵點在軸承座基礎和套筒托架基礎相交的位置，拾取第一個關鍵點 X=1.5在拱表面底部和套筒托架基礎相交的位置，拾取第二個關鍵點在拱表面底部和套筒托架基礎相交的位置，拾取第二個關鍵點 X=1.5拾取在拾取在14a步驟中建立的位于步驟中建立的位于X=1.5, Y=1, Z=3的第三個關鍵點的第三個關鍵點按按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.沿面的法線方向拉伸面沿面的法線方向拉伸面:Main Menu Preprocessor Modeling Operate Extrude Areas Along Normal拾取在步驟拾取在步驟14b中建立的三角形面中建立的三角形面,按按 OK輸入輸入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.組合體組合體: Main Menu Preprocessor Modeling Operate Booleans Glue Volumes拾取拾取Pick All或用命令或用命令:VGLUE,ALL17.打開體號的顯示開關，畫體打開體號的顯示開關，畫體:Utility Menu PlotCtrls Numbering 設置設置 Volume numbers選項為選項為 on, 按按 OK或用命令或用命令:/PNUM,VOLU,1VPLOT18.保存數(shù)據(jù)庫，退出保存數(shù)據(jù)庫，退出 ANSYS:Pick the “SAVE_DB” button in the ToolbarPick the

16、“QUIT” button in the Toolbar選擇選擇 “Quit - No Save!”按按OK 或用命令或用命令:FINISH/EXIT,ALLTraining Manual實體建模實體建模: 由下而上由下而上INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual說明說明用由下而上建模用由下而上建模技術，建立連桿技術，建立連桿幾何模型。幾何模型。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.按教師指定的工作目錄，用按教師指定的工作目錄，用“c-rod” 作為作業(yè)名，進入作為作業(yè)名，進入ANSYS。2.創(chuàng)建兩個圓形面創(chuàng)建兩個圓形面:Main Menu Preprocessor Modeling Create Areas Circle By Dimensions輸入輸入RAD1 = 1.4輸入輸入RAD2 = 1輸入

18、輸入THETA1 = 0輸入輸入THETA2 = 180, 然后選擇然后選擇Apply輸入輸入THETA1 = 45, 然后選擇然后選擇OK或用命令或用命令:/PREP7PCIRC,1.4,1,0,180 PCIRC,1.4,1,45,1803.打開打開 面號面號:Utility Menu PlotCtrls Numbering .設置面號為設置面號為 “on”, 然后選擇然后選擇OK或用命令或用命令:/PNUM,AREA,1APLOTINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual4.創(chuàng)建兩個矩形面創(chuàng)建兩個

19、矩形面:Main Menu Preprocessor Modeling Create Areas Rectangle By Dimensions輸入輸入X1 = -0.3, X2 = 0.3, Y1 = 1.2, Y2 = 1.8, 然后選擇然后選擇Apply輸入輸入X1 = -1.8, X2 = -1.2, Y1 = 0, Y2 = 0.3, 然后選擇然后選擇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 +回車后在輸入窗口輸入回車后在輸入窗口輸入 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.再創(chuàng)建兩個圓形面再創(chuàng)建兩個圓形面:Main Menu Preprocessor Modeling Create Areas Circle By Dimensions輸入輸入RAD1 = 0.7輸入輸入RAD2 = 0.4輸入輸入THETA1 = 0輸入輸入THETA2 = 180, 然后選擇然后選擇Apply輸入輸入THE

21、TA2 = 135, 然后選擇然后選擇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.在每一組面上分別進行布爾操作在每一組面上分別進行布爾操作:Main Menu Preprocessor Modeling Operate Booleans Overlap Areas先選擇左邊的一組面先選擇左邊的一組面, 然后選擇然后選擇Apply再選擇右邊的一組面再選擇右邊的一組面, 然后選擇然后選擇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.定義四個新的關鍵點定義四個新的關鍵點:Main Menu Preprocessor Modeling Create Keypoints In Active CS第一關鍵點第一關鍵點, X=2.5, Y=0.5, 然后選擇然后選擇Apply第二關鍵點第二關鍵點, X=3.25, Y=0.4, 然后選擇然后選擇Apply第三關鍵點第三關鍵點, X=4, Y=0.33, 然后選擇然后選擇Apply第四關鍵點第四關鍵

23、點, X=4.75, Y=0.28, 然后選擇然后選擇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.激活整體柱坐標系激活整體柱坐標系: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. 創(chuàng)建一條線（由一系列關鍵點擬合一條樣條曲線）創(chuàng)建一條線（由一系列關鍵點擬合一條樣條曲線）:Mai

24、n Menu Preprocessor Modeling Create Lines Splines With Options Spline thru KPs順序拾取如圖形窗口所示的六個關鍵點順序拾取如圖形窗口所示的六個關鍵點, 然后選擇然后選擇OK1st kp6th kp3rd kp5th kp2nd kp4th kpINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual10. (續(xù)續(xù)): 輸入輸入XV1 = 1 (總體柱坐標系，關鍵點總體柱坐標系，關鍵點 1 處的半徑處的半徑)YV1 = 135 (總體柱坐標系，

25、關鍵點總體柱坐標系，關鍵點 1 處的角度處的角度)XV6 = 1 (總體柱坐標系，關鍵點總體柱坐標系，關鍵點 6 處的半徑處的半徑)YV6 = 45 (總體柱坐標系，關鍵點總體柱坐標系，關鍵點 6 處的角度處的角度)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.通過關鍵點通過關鍵點1和和18創(chuàng)建一條直線創(chuàng)建一條直線 :Main Menu Preprocessor Modeling Create Lines Lin

26、es Straight Line拾取圖形窗口所示的兩個關鍵點拾取圖形窗口所示的兩個關鍵點, 然后選擇然后選擇OK或用命令或用命令:LSTR, 1, 181st kp2nd kpINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual12.打開線號，顯示線打開線號，顯示線:Utility Menu PlotCtrls Numbering .設置設置 Line numbers為為 “on”, 然后選擇然后選擇OKUtility Menu Plot Lines或用命令或用命令:/PNUM,LINE,1LPLOT13.以以6

27、號、號、1號、號、7號、號、25號線為邊界創(chuàng)建一個新面號線為邊界創(chuàng)建一個新面:Main Menu Preprocessor Modeling Create Areas Arbitrary By Lines拾取四條線拾取四條線 (6, 1, 7, 和和 25), 然后選擇然后選擇OK或用命令或用命令:AL, 6, 1, 7, 25INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual14.放大連桿左邊部分放大連桿左邊部分:Use the Zoom Model Icon in the Model Control Too

28、lbarINTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual15.創(chuàng)建線與線的倒角創(chuàng)建線與線的倒角:Main Menu Preprocessor Modeling Create Lines Line Fillet拾取線拾取線 36 和和 40, 然后選擇然后選擇Apply輸入輸入RAD = .25, 然后選擇然后選擇Apply拾取線拾取線 40和和 31, 然后選擇然后選擇Apply按按Apply拾取線拾取線 30和和 39, 然后選擇然后選擇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.以倒角線為邊界，創(chuàng)建新面以倒角線為邊界，創(chuàng)建新面:Main Menu Preprocessor Modeling Create Areas Arbitrary By Lines拾取線拾取線 12, 10, 和和 13, 然后選擇然后選擇Apply拾取線拾取線 17, 15, 和和19, 然后選擇然后選擇Apply拾取線拾取線 23, 21, 和和24, 然后選擇然后選擇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.把所有的面加起來把所有的面加起來:Main Menu Preprocessor Modeling Operate Booleans Add Areas拾取拾取Pick All或用命令或用命令:AADD,ALL1