《建模練習(xí)軸承座》PPT課件

Training Manual實(shí)體建模: 自上而下 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual說(shuō)明建立軸承座的1/2對(duì)稱實(shí)體模型。以p-block.db 文件名保存數(shù)據(jù)庫(kù)文件Counterbore1.0R, 0.1875 deep Base6 x 3 x 1Web, 0.15 thick All dimensions in inches 1.75Four 0.75D holes,0.75 offsetfrom corner Bushing, 0.85R Bracket1.5R, 0.75 thick INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual1.按教師指定的工作目錄，用“p-block”作為作業(yè)名， 進(jìn)入 ANSYS2.打開(kāi)等軸視圖方位:按ISO或用命令:/VIEW,1,1,1,13.創(chuàng)建軸承座的基礎(chǔ) : Main Menu Preprocessor Modeling Create Volumes Block By Dimensions輸入 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 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual4.將工作平面移到 X=2.25, Y=1.25, Z=.75: Utility Menu WorkPlane Offset WP by Increments 設(shè)置 X,Y,Z Offsets = 2.25, 1.25, 0.75設(shè)置XY, YZ, ZX Angles = 0, -90, 0, 然后按 OK或用命令:WPOFF, 2.25, 1.25, 0.75WPROT, 0, -90, 0 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual5.創(chuàng)建直徑為0.75 英寸深度為-1.5 英寸的圓柱 : Main Menu Preprocessor Modeling Create Volumes Cylinder Solid Cylinder輸入Radius = 0.75/2輸入Depth = -1.5, 然后按 OK或用命令: CYL4, , ,0.75/2, , , ,-1.56.將圓柱考貝到DZ=1.5的新位置 : Main Menu Preprocessor Modeling Copy Volumes +拾取柱體 (體號(hào) 2),按 OK DZ = 1.5, 按 OK或用命令: VGEN,2,2, , , , ,1.5, ,0 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual7.從軸承座基礎(chǔ)中挖出兩個(gè)圓孔: Main Menu Preprocessor Modeling Operate Booleans Subtract Volumes拾取軸承座基礎(chǔ)的體 (體 1), 按 OK拾取兩個(gè)圓柱體 (體 2 和體3), 然后按 OK或用命令:VSBV, 1, ALL INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual8.在整體坐標(biāo)系中改變工作平面的相對(duì)位置: Utility Menu WorkPlane Align WP with Global Cartesian或用命令:WPCSYS,-1,0VPLOT9.創(chuàng)建套筒托架的基礎(chǔ): 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:BLC4,0,1,1.5,1.75,0.7510.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(guān)鍵點(diǎn),按 OK或用命令:KWPAVE, 16 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual11.創(chuàng)建套筒托架的拱: Main Menu Preprocessor Modeling Create Volumes Cylinder Partial Cylinder輸入WP X = 0輸入WP Y = 0輸入Rad-1 = 0輸入Theta-1 = 0輸入Rad-2 = 1.5輸入Theta-2 = 90輸入Depth = -0.75, 然后按 OK或用命令:CYL4,0,0,0,0,1.5,90,-0.75 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual12.通過(guò)套筒托架的孔創(chuàng)建圓柱: 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或執(zhí)行:CYL4,0,0,1, , , ,-0.1875CYL4,0,0,0.85, , , ,-2 Counterbore Through hole INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual13.挖掉兩個(gè)圓柱，形成軸承座和套筒的孔: Main Menu Preprocessor Modeling Operate Booleans Subtract Volumes拾取兩個(gè)形成套筒托架拱和基礎(chǔ)的體按Apply拾取軸承座柱按Apply拾取同樣的兩個(gè)基礎(chǔ)的體按Apply拾取通過(guò)孔的圓柱按OK14.合并相同的關(guān)鍵點(diǎn): Main Menu Preprocessor Numbering Ctrls Merge Items設(shè)置標(biāo)號(hào) “Keypoints”,然后按 OK或用命令:NUMMRG,KP Arch and Base of Bushing Bracket INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual15.創(chuàng)建腹板:15a. 在基礎(chǔ)正面頂邊的中間建立一個(gè)關(guān)鍵點(diǎn): Main Menu Preprocessor Modeling Create Keypoints KP between KPs在基礎(chǔ)上拾取兩個(gè)位于正上方拐角處的關(guān)鍵點(diǎn)，按 OK RATI = 0.5, 然后按OK或用命令:KBETW,7,8,0,RATI,0.5 1st Keypoint1st Keypoint2st Keypoint INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual15b.創(chuàng)建三角形面: Main Menu Preprocessor Modeling Create Areas Arbitrary Through KPs在軸承座基礎(chǔ)和套筒托架基礎(chǔ)相交的位置，拾取第一個(gè)關(guān)鍵點(diǎn) X=1.5在拱表面底部和套筒托架基礎(chǔ)相交的位置，拾取第二個(gè)關(guān)鍵點(diǎn) X=1.5拾取在14a步驟中建立的位于X=1.5, Y=1, Z=3的第三個(gè)關(guān)鍵點(diǎn)按Ok或用命令:A,14,15,9 1st Keypoint3rd Keypoint2nd Keypoint INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual15c.沿面的法線方向拉伸面: Main Menu Preprocessor Modeling Operate Extrude Areas Along Normal拾取在步驟14b中建立的三角形面,按 OK輸入DIST = -0.15, 然后按OK或用命令:VOFFST,3,-0.15 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual16.組合體: Main Menu Preprocessor Modeling Operate Booleans Glue Volumes拾取Pick All或用命令:VGLUE,ALL17.打開(kāi)體號(hào)的顯示開(kāi)關(guān)，畫(huà)體: Utility Menu PlotCtrls Numbering 設(shè)置 Volume numbers選項(xiàng)為 on, 按 OK或用命令:/PNUM,VOLU,1VPLOT18.保存數(shù)據(jù)庫(kù)，退出 ANSYS: Pick the “SAVE_DB” button in the Toolbar Pick the “QUIT” button in the Toolbar選擇 “Quit - No Save!”按OK 或用命令:FINISH/EXIT,ALL Training Manual實(shí)體建模: 由下而上 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual說(shuō)明用由下而上建模技術(shù)，建立連桿幾何模型。 6.52.5 0.5 1.8 0.3 1.0R 1.4R 0.4R0.7R45oSpline through six control points CLCLCrank pin end Wrist pin end All dimensions in inches 45o 0.280.4 0.33 4.754.03.25 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual1.按教師指定的工作目錄，用“c-rod” 作為作業(yè)名，進(jìn)入ANSYS。2.創(chuàng)建兩個(gè)圓形面: Main Menu Preprocessor Modeling Create Areas Circle By Dimensions輸入RAD1 = 1.4輸入RAD2 = 1輸入THETA1 = 0輸入THETA2 = 180, 然后選擇Apply輸入THETA1 = 45, 然后選擇OK或用命令:/PREP7PCIRC,1.4,1,0,180 PCIRC,1.4,1,45,1803.打開(kāi) 面號(hào): Utility Menu PlotCtrls Numbering .設(shè)置面號(hào)為 “on”, 然后選擇OK或用命令:/PNUM,AREA,1APLOT INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual4.創(chuàng)建兩個(gè)矩形面: Main Menu Preprocessor Modeling Create Areas Rectangle By Dimensions輸入X1 = -0.3, X2 = 0.3, Y1 = 1.2, Y2 = 1.8, 然后選擇Apply輸入X1 = -1.8, X2 = -1.2, Y1 = 0, Y2 = 0.3, 然后選擇OK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(X=6.5): Utility Menu WorkPlane Offset WP to XYZ Locations +回車(chē)后在輸入窗口輸入 6.5 ， OK或用命令: Or issue:WPAVE,6.5 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual6.再創(chuàng)建兩個(gè)圓形面: Main Menu Preprocessor Modeling Create Areas Circle By Dimensions輸入RAD1 = 0.7輸入RAD2 = 0.4輸入THETA1 = 0輸入THETA2 = 180, 然后選擇Apply輸入THETA2 = 135, 然后選擇OK或用命令:PCIRC,0.7,0.4,0,180 PCIRC,0.7,0.4,0,135 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual7.在每一組面上分別進(jìn)行布爾操作: Main Menu Preprocessor Modeling Operate Booleans Overlap Areas先選擇左邊的一組面, 然后選擇Apply再選擇右邊的一組面, 然后選擇OK或用命令:AOVLAP,1,2,3,4AOVLAP,5,6 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual8.定義四個(gè)新的關(guān)鍵點(diǎn): Main Menu Preprocessor Modeling Create Keypoints In Active CS第一關(guān)鍵點(diǎn), X=2.5, Y=0.5, 然后選擇Apply第二關(guān)鍵點(diǎn), X=3.25, Y=0.4, 然后選擇Apply第三關(guān)鍵點(diǎn), X=4, Y=0.33, 然后選擇Apply第四關(guān)鍵點(diǎn), X=4.75, Y=0.28, 然后選擇OK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(biāo)系: Utility Menu WorkPlane Change Active CS to Global Cylindrical或用命令:CSYS,1 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual10.創(chuàng)建一條線（由一系列關(guān)鍵點(diǎn)擬合一條樣條曲線）: Main 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(gè)關(guān)鍵點(diǎn), 然后選擇OK 1st kp 6th kp3rd kp 5th kp2nd kp 4th kp INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual10. (續(xù)): 輸入XV1 = 1 (總體柱坐標(biāo)系，關(guān)鍵點(diǎn) 1 處的半徑) YV1 = 135 (總體柱坐標(biāo)系，關(guān)鍵點(diǎn) 1 處的角度) XV6 = 1 (總體柱坐標(biāo)系，關(guān)鍵點(diǎn) 6 處的半徑) YV6 = 45 (總體柱坐標(biāo)系，關(guān)鍵點(diǎn) 6 處的角度)按OK或用命令:BSPLIN,5,6,7,21,24,22,1,135,1,45 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual11.通過(guò)關(guān)鍵點(diǎn)1和18創(chuàng)建一條直線 : Main Menu Preprocessor Modeling Create Lines Lines Straight Line拾取圖形窗口所示的兩個(gè)關(guān)鍵點(diǎn), 然后選擇OK或用命令:LSTR, 1, 18 1st kp 2nd kp INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual12.打開(kāi)線號(hào)，顯示線: Utility Menu PlotCtrls Numbering .設(shè)置 Line numbers為 “on”, 然后選擇OK Utility Menu Plot Lines或用命令:/PNUM,LINE,1LPLOT13.以6號(hào)、1號(hào)、7號(hào)、25號(hào)線為邊界創(chuàng)建一個(gè)新面: Main Menu Preprocessor Modeling Create Areas Arbitrary By Lines拾取四條線 (6, 1, 7, 和 25), 然后選擇OK或用命令:AL, 6, 1, 7, 25 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual14.放大連桿左邊部分: Use the Zoom Model Icon in the Model Control Toolbar INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual15.創(chuàng)建線與線的倒角: Main Menu Preprocessor Modeling Create Lines Line Fillet拾取線 36 和 40, 然后選擇Apply輸入RAD = .25, 然后選擇Apply拾取線 40和 31, 然后選擇Apply按Apply拾取線 30和 39, 然后選擇OK按OK Utility Menu Plot Lines或用命令:LFILLT,36,40,0.25LFILLT,40,31,0.25LFILLT,30,39,0.25LPLOT INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual16.以倒角線為邊界，創(chuàng)建新面: Main Menu Preprocessor Modeling Create Areas Arbitrary By Lines拾取線 12, 10, 和 13, 然后選擇Apply拾取線 17, 15, 和19, 然后選擇Apply拾取線 23, 21, 和24, 然后選擇OK Utility Menu Plot Areas或用命令:AL, 12, 10, 13AL, 17, 15, 19AL, 23, 21, 24APLOT INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual17.把所有的面加起來(lái): Main Menu Preprocessor Modeling Operate Booleans Add Areas拾取Pick All或用命令:AADD,ALL18.選擇Fit 使整個(gè)模型充滿圖形窗口: Utility Menu PlotCtrls Pan, Zoom, Rotate 按Fit19.關(guān)閉線號(hào)和面號(hào): Utility Menu PlotCtrls Numbering .設(shè)置線號(hào)和面號(hào)為“ off ”, 然后選擇OK Utility Menu Plot Areas或用命令:/PNUM,LINE,0/PNUM,AREA,0APLOT INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual20.激活整體直角坐標(biāo)系: Utility Menu WorkPlane Change Active CS to Global Cartesian或用命令:CSYS,021.以X-Z 平面 (在 Y 方向) 為對(duì)稱面，對(duì)面作鏡面反射: Main Menu Preprocessor Modeling Reflect Areas Pick All Select X-Z plane, then OK或用命令:ARSYM,Y,13 INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual22.把所有的面加起來(lái): Main Menu Preprocessor Modeling Operate Booleans Add Areas Pick All或用命令:AADD,ALL23.關(guān)閉工作平面: Utility Menu WorkPlane Display Working Plane或用命令:WPSTYLE Use Fit View Icon INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0INTRODUCTION TO ANSYS 11.0Training Manual24.存儲(chǔ)數(shù)據(jù)庫(kù)，退出 ANSYS:在工具條中拾取 “SAVE_DB”在工具條中拾取 “QUIT”選擇 “Quit - No Save!”按OK或用命令:SAVEFINISH/EXIT,NOSAVE