1、軸承座軸承座專題專題 6實(shí)體建模實(shí)體建模: 自上而下自上而下INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1專題 SupplementJanuary 30, 2001Inventory #001442W6-26. 實(shí)體建模：自上而下實(shí)體建模

2、：自上而下軸承座軸承座說明說明建立軸承座的半個(gè)對(duì)建立軸承座的半個(gè)對(duì)稱實(shí)體模型。稱實(shí)體模型。完成后以完成后以p-block.db 文件名保存數(shù)據(jù)庫文文件名保存數(shù)據(jù)庫文件件鏜孔鏜孔1.0R, 0.1875 深深基座基座6 x 3 x 1腹板腹板, 厚厚 0.15全部用英尺作單位全部用英尺作單位1.75四個(gè)四個(gè) 0.75D的孔的孔,孔中心距角點(diǎn)孔中心距角點(diǎn)0.75軸襯軸襯, 0.85R支架支架1.5R, 0.75 thickINTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS

3、 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1專題 SupplementJanuary 30, 2001Inventory #001442W6-36. 實(shí)體建模：自上而下實(shí)體建模：自上而下 軸承座軸承座1.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(jìn)入進(jìn)入 ANSYS2.打開等視圖方位打開等視圖方位:Utility Menu PlotCtrls Pan, Zoom

4、, Rotate 按按ISO或用命令:/VIEW,1,1,1,13.創(chuàng)建軸承座的基礎(chǔ)創(chuàng)建軸承座的基礎(chǔ) :Main Menu Preprocessor -Modeling- Create -Volumes- Block By Dimensions .輸入輸入 X1 = 0, X2 = 3, Y1 = 0, Y2 = 1, Z1 = 0, Z2 = 3,然后按然后按OK或用命令:/PREP7BLOCK,0,3,0,1,0,3 INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANS

5、YS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1專題 SupplementJanuary 30, 2001Inventory #001442W6-46. 實(shí)體建模：自上而下實(shí)體建模：自上而下 軸承座軸承座3.將工作平面移到位置將工作平面移到位置 X=2.25, Y=1.25, Z=.75:Utility Menu WorkPlane Offset WP by Increments 設(shè)置設(shè)置 X,Y,Z Offs

6、ets = 2.25, 1.25, 0.75設(shè)置設(shè)置XY, YZ, ZX Angles = 0, -90, 0, 然后按然后按 OK或用命令:WPOFF, 2.25, 1.25, 0.75WPROT, 0, -90, 0INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSY

7、S 5.7 - Part 1專題 SupplementJanuary 30, 2001Inventory #001442W6-56. 實(shí)體建模：自上而下實(shí)體建模：自上而下 軸承座軸承座4.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 英寸的實(shí)體柱英寸的實(shí)體柱 :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:CYL4, , ,0.75/2, , , ,-1.55.將實(shí)體柱考貝到

8、將實(shí)體柱考貝到DZ=1.5的新位置的新位置 :Main Menu Preprocessor Copy Volumes +拾取柱體拾取柱體 (體號(hào)體號(hào) 2),按按 OKDZ = 1.5, 按按 OK或用命令:VGEN,2,2, , , , ,1.5, ,0INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INT

9、RODUCTION TO ANSYS 5.7 - Part 1專題 SupplementJanuary 30, 2001Inventory #001442W6-66. 實(shí)體建模：自上而下實(shí)體建模：自上而下 軸承座軸承座6.從軸承座基礎(chǔ)中挖出兩個(gè)圓孔從軸承座基礎(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)的體拾取軸承座基礎(chǔ)的體 (體體 1), 按按 OK拾取兩個(gè)圓柱體拾取兩個(gè)圓柱體 (體體 2 和體和體3), 然后按然后按 OK或用命令:VSBV, 1, ALLINTR

10、ODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1專題 SupplementJanuary 30, 2001Inventory #001442W6-76. 實(shí)體建模：自上而下實(shí)體建模：自上而下 軸承座軸承座7.在整體坐標(biāo)系中改變工作平面的相對(duì)位置在整

11、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,-1,0VPLOT8.創(chuàng)建套筒托架的基礎(chǔ)創(chuàng)建套筒托架的基礎(chǔ):Main Menu Preprocessor -Modeling- Create -Volumes- Block By 2 Corners & Z +輸入輸入WP X = 0輸入輸入WP Y = 1輸入輸入width = 1.5輸入輸入height = 1.75輸入輸入depth = 0.75, 然后按然后按 OK或用命令:BLC4,0,1,1.5,1.75,0.759.將

12、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(guān)鍵點(diǎn)拾取正面左角頂部的關(guān)鍵點(diǎn),按按 OK或用命令:KWPAVE, 16INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTI

13、ON TO ANSYS 5.7 - Part 1專題 SupplementJanuary 30, 2001Inventory #001442W6-86. 實(shí)體建模：自上而下實(shí)體建模：自上而下 軸承座軸承座10. 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 = -0.7

14、5, 然后按然后按 OK或用命令:CYL4,0,0,0,0,1.5,90,-0.75INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1專題 SupplementJanuary 30, 2001Inventory #001442W6-96. 實(shí)

15、體建模：自上而下實(shí)體建模：自上而下 軸承座軸承座11. 通過套筒托架的孔創(chuàng)建軸承座的柱通過套筒托架的孔創(chuàng)建軸承座的柱:Main Menu Preprocessor -Modeling- Create -Volumes- Cylinder Solid Cylinder +WP X = 0WP Y = 0Depth = 1深深 = -0.1875,按按 ApplyWP X = 0WP Y = 0Rad = 0.85Depth = -2, 按按 OK或用命令:CYL4,0,0,1, , , ,-0.1875CYL4,0,0,0.85, , , ,-2 INTRODUCTION TO ANSYS 5.

16、7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1專題 SupplementJanuary 30, 2001Inventory #001442W6-106. 實(shí)體建模：自上而下實(shí)體建模：自上而下 軸承座軸承座12. 挖掉兩個(gè)實(shí)體柱，形成軸承座和套筒的孔挖掉兩個(gè)實(shí)體柱，形成軸承座和套筒的孔:

17、Main Menu Preprocessor -Modeling- Operate -Booleans- Subtract Volumes +拾取兩個(gè)形成套筒托架拱和基礎(chǔ)的體拾取兩個(gè)形成套筒托架拱和基礎(chǔ)的體按按Apply拾取軸承座柱拾取軸承座柱按按Apply拾取同樣的兩個(gè)基礎(chǔ)的體拾取同樣的兩個(gè)基礎(chǔ)的體按按Apply拾取通過孔的圓柱拾取通過孔的圓柱按按OK13. 合并相同的關(guān)鍵點(diǎn)合并相同的關(guān)鍵點(diǎn):Main Menu Preprocessor Numbering Ctrls Merge Items 設(shè)置標(biāo)號(hào)設(shè)置標(biāo)號(hào) “Keypoints”,然后按然后按 OK或用命令:NUMMRG,KPINTROD

18、UCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1專題 SupplementJanuary 30, 2001Inventory #001442W6-116. 實(shí)體建模：自上而下實(shí)體建模：自上而下 軸承座軸承座14. 創(chuàng)建腹板創(chuàng)建腹板:14a. 在基礎(chǔ)正面

19、頂邊的中間建立一個(gè)關(guān)鍵點(diǎn)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 OKRATI = 0.5, 然后按然后按OK或用命令:KBETW,7,8,0,RATI,0.5INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCT

20、ION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1專題 SupplementJanuary 30, 2001Inventory #001442W6-126. 實(shí)體建模：自上而下實(shí)體建模：自上而下 軸承座軸承座14b.創(chuàng)建三角形面創(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)在軸承座基礎(chǔ)和套筒托架基

21、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)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(gè)關(guān)鍵點(diǎn)的第三個(gè)關(guān)鍵點(diǎn)按按Ok或用命令:A,14,15,9INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1INTRODUCTION TO ANSYS 5.7 - Part 1專題 SupplementJanuary 30, 2001Inventory #001442W6-136. 實(shí)體建模：自上而下實(shí)體建模：自上而下 軸承座軸承座14c.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