常用模型命令流建模实例

!EX2.1B-任意圈数圆柱形螺旋弹簧的几何建模FINISH/CLEAR/PREP7!1.定义弹簧参数（同上）D=4C=8DZ=C*DT=DZ/6N=4.7*IF,T,LT,D,THENT=D*ENDIFTKPD=90!2.创建全部螺旋线CSYS,1TDEG=N*360TDEG1=MOD(TDEG,TKPD)N0=(TDEG-TDEG1)/TKPD+1*AFUN,DEG*DO,I,1,N0CTA=(I-1)*TKPDZ=T/360*CTAK,I,DZ/2,CTA,Z*ENDDO*IF,TDEG1,LT,1.0E-2,THEN*ELSEN0=N0+1CTA=CTA+TDEG1Z=T/360*CTAK,N0,DZ/2,CTA,Z*ENDIF*DO,I,1,N0-1L,I,I+1*ENDDOCM,L1,LINE!3.在螺旋线端部创建簧丝截面CSYS,0WPOFF,DZ/2WPROTA,,90CYL4,,,D/2VDRAG,1,,,,,,L1CMSEL,S,L1LDELE,ALL,,,1ALLSELWPCSYS!EX2.1A-整圈数圆柱形螺旋弹簧的几何建模FINISH/CLEAR/PREP7!1.定义弹簧参数D=4C=8N=10DZ=C*DT=DZ/2.5*IF,T,LT,D,THENT=D*ENDIF!2.创建一圈螺旋线CSYS,1K,1,DZ/2,0,-T/2K,2,DZ/2,180L,1,2CSYS,0LSYMM,Z,1LSYMM,Y,2,,,,,1NUMMRG,ALLCM,L1,LINE!3.在螺旋线端部创建簧丝截面KWPAVE,1WPROTA,,90CYL4,,,D/2!4.沿L1路径拖拉圆面创建体、复制体等VDRAG,1,,,,,,L1VGEN,N,ALL,,,,,TNUMMRG,KPWPCSYS!EX2.2螺栓杆建模命令流FINISH/CLEAR/PREP7!1.定义几何参数D=20L=60B=46P=2.5DW=28.2SMAX=30KGC=12.5C=0.8REFA=60*AFUN,DEGH=0.5*P*COS(REFA/2)/SIN(REFA/2)D1=D-2*5/8*HD2=D-2*3/8*HDBANGL=30TKPD=30!2.创建螺旋线（采用分段螺旋线）CSYS,1N=(B-3*P/4)/PTDEG=N*360TDEG1=MOD(TDEG,TKPD)N0=(TDEG-TDEG1)/TKPD+1*DO,I,1,N0CTA=(I-1)*TKPDZ=P/360*CTAK,I,D1/2,CTA,Z*ENDDO*IF,TDEG1,LT,1.0E-2,THEN*ELSEN0=N0+1CTA=CTA+TDEG1Z=P/360*CTAK,N0,D1/2,CTA,Z*ENDIF*DO,I,1,N0-1L,I,I+1*ENDDOCM,L1CM,LINE!3.在螺旋线端部创建齿截面CSYS,0KM=KPINQR(0,14)K,KM+1,D1/2,,-3*P/8K,KM+2,D1/2,,3*P/8K,KM+3,D/2,,P/16K,KM+4,D/2,,-P/16A,KM+1,KM+2,KM+3,KM+4VDRAG,1,,,,,,L1CMNUMCMP,ALL!4.创建圆柱体（未考虑退刀槽）WPOFF,0,0,-3*P/8CYL4,,,D1/2,,,,BV1=VLINQR(0,14)!5.创建部分螺杆的圆柱体及头部圆柱体WPOFF,,,BCYL4,,,D/2,,,,L-BV2=V1+1WPOFF,,,L-BCYL4,,,DW/2,,,,CV3=V1+2!6.螺杆头部,正六边形棱柱RPRISM,C,KGC,6,,,SMAX/2V4=V1+3!7.螺杆齿部端倒角处理WPCSYSCONE,D,D,-3*P/8,(D-D1)/2-3*P/8CONE,D1/2,D/2,-3*P/8,(D-D1)/2-3*P/8V5=VLINQR(0,14)VSBV,V5-1,V5V5=VLINQR(0,14)VSEL,S,LOC,Z,0,2*PVSEL,A,,,V1VSEL,U,,,V5CM,V2CM,VOLUVSEL,A,,,V5VSBV,V2CM,V5ALLSEL!8.倒C处角，方向同上VSEL,NONEWPOFF,,,L-3*P/8CONE,D,D,0,CCONE,DW/2-C,DW/2,0,C*GET,V5,VOLU,0,NUM,MINV6=VLNEXT(V5)VSBV,V5,V6*GET,V5,VOLU,0,NUM,MINALLSELVSBV,V3,V5!9.螺杆头倒角，即对正六棱柱倒角。采用球体相减完成VSEL,NONERQ=SMAX/2/SIN(DBANGL)WPOFF,,,KGC-RQ*COS(DBANGL)SPHERE,RQ,RQ+KGC*GET,V5,VOLU,0,NUM,MINALLSELVSBV,V4,V5WPCSYSNUMCMP,ALL!EX2.3矩形花键建模命令流FINISH/CLEAR/PREP7!定义花键参数ND=10WD=12B=4N=6L0=20REF=360/N*AFUN,DEGALLB=ND*SIN(REF/2*IF,B,GT,ALLB,THENB=NINT(ALLB/2)*ENDIFCYL4,,,ND/2,,,REF/2CYL4,,,WD/2,,,REF/2APTN,ALLWPOFF,,B/2WPROTA,,90ASBW,3ADELE,4,,,1ARSYMM,Y,ALLAADD,ALWPCSYSCSYS,1LSEL,S,LOC,X,WD/2LCOMB,ALLALLSELAGEN,N,ALL,,,,REFAADD,ALL*DO,I,1,NLSEL,S,LOC,X,ND/2LSEL,R,LOC,Y,(I-1)*REF,I*REFLCOMB,ALL*ENDDOALLSELNUMCMP,ALL*GET,KPMAX,KP,0,NUM,MAXK,KPMAX+1K,KPMAX+2,,,L0L,KPMAX+1,KPMAX+2*GET,L1,LINE,0,NUM,MAXVDRAG,ALL,,,,,,L1LDELE,L1,,,1!EX2.4V带轮建模命令流（未含键槽）FINISH/CLEAR/PREP7!1.定义几何参数DD=200FAI=38B=13Z=4S=14HA=3HF=9E=15F=10KS=8R1=0.5R2=1.0R3=1.5DTA=6C1=2C2=2PD=25D0=24D1=1.9*D0S1=1.5*SS2=0.5*SL=2*D0DA=DD+2*HAUB=(Z-1)*E+2*FRK1=DD/2-HF-DTA-0.5*(UB-S)/PD-S2RK2=D1/2+0.5*(L-S)/PD+S1RK=(RK1-RK2)/2DK=RK1+RK2!2.创建轮槽部分截面*AFUN,DEGY0=HF+HAB0=B-2*TAN(FAI/2)*Y0LOCAL,12,0,-UB/2,DD/2-HFK,,0,Y0K,,F-B/2,Y0K,,F-B0/2*DO,I,1,Z-1X0=F+(I-1)*EK,,X0+B0/2K,,X0+B/2,Y0K,,X0+E-B/2,Y0K,,X0+E-B0/2*ENDDOK,,UB-F+B0/2K,,UB-F+B/2,Y0K,,UB,Y0*GET,KP1,KP,0,NUM,MAX*DO,I,1,KP1-1L,I,I+1*ENDDO*GET,L1,LINE,0,NUM,MAX*DO,I,1,ZJ=4*(I-1)LFILLT,J+1,J+2,R1LFILLT,J+2,J+3,R2LFILLT,J+3,J+4,R2LFILLT,J+4,J+5,R1*ENDDOCSDELE,12KSLL,SKSEL,INVEKDELE,ALLALLSELNUMCMP,ALLCM,L1CM,LINE!3.创建带轮腹板及轴部!3.1创建关键点和线*GET,KP1,KP,0,NUM,MAXY0=DD/2-HF-DTAK,,-UB/2,Y0+C1-C1/PDK,,-UB/2+C1,Y0-C1/PDK,,-S/2,Y0-0.5*(UB-S)/PDK,,-S/2,D1/2+0.5*(L-S)/PDK,,-L/2,D1/2K,,-L/2,D0/2+C2K,,-L/2+C2,D0/2L,1,KP1+1*DO,I,KP1+1,KP1+6L,I,I+1*ENDDO!3.2对腹板与轴部或轮槽部分倒角LSEL,S,LOC,Y,Y0-C1/PD,D1/2+0.5*(L-S)/PD*GET,L1,LINE,0,NUM,MINL2=LSNEXT(L1)LFILLT,L1,L2,R3LSEL,ALLLFILLT,L2,L2+1,R3CMSEL,U,L1CM!3.3对称生成另侧腹板及轴截面LSYMM,X,ALLKSEL,S,LOC,Y,D0/2*GET,KP1,KP,0,NUM,MINKP2=KPNEXT(KP1)L,KP1,KP2ALLSELNUMMRG,ALLNUMCMP,ALL!4.创建带轮截面并旋转创建体AL,ALL*GET,KP1,KP,0,NUM,MAXK,KP1+10,-UB/2K,KP1+20,UB/2VROTAT,ALL,,,,,,KP1+10,KP1+20,,KSKDELE,KP1+10,KP1+20,10!5.创建腹板上的圆孔CM,V1CM,VOLUWPOFF,UB/2WPROTA,,,90X0=DK/2*SIN(180/KSY0=DK/2*COS(180/KS)CYL4,X0,Y0,RK,,,,-UB*GET,V1,VOLU,,NUM,MAXCSWPLA,12,1VGEN,KS,V1,,,,360/KSCMSEL,U,V1CMCM,V2CM,VOLUALLSELVSBV,V1CM,V2CM!6.整理和视图CSDELE,12WPCSYSNUMCMP,ALL/VIEW,1,1,1,1/ANG,1,-90,YS,1VPLOT!EX2.6D60kg/m钢轨实体建模FINISH/CLEAR/PREP7!1.定义参数H1=30.5H2=48.5H3=48.5B1=45.75B2=29.25B3=16.5B4=36.5B5=10XD1=1/3XD2=1/9XD3=1/3XD4=1/20R0=400R1=2R2=4R3=40R4=20R5=25R6=8R7=13R8=80R9=300R10=2FAI=43H=H1+2*H2+H3!2.创建轨底主要组成部分的线K,1K,2,B1+B2K,3,B1+B2,H1-B1*XD1-B2*XD2K,4,B1,H1-B1*XD1K,5,0,H1*DO,I,1,4L,I,I+1*ENDDO!3.计算确定轨头下三个圆弧的位置CTA=ATAN(XD3)BTA=(90-FAI)*ACOS(-1)/180-CTAA=1/TAN(CTA)C1=B3/2+R0-R6*SIN(CTA)-(R5-R6)*COS(BTA)C2=R5*SIN(BTA)+R6*COS(CTA)-R6*SIN(BTA)-H2C=(C1-C2/TAN(CTA))/(R0-R5)C3=A*C-SQRT(A*A-C*C+1)C3=C3/(A*A+1)REFA=ASIN(C3)C1=R6*SIN(CTA)+(R5-R6)*COS(BTA)+(R0-R5)*COS(REFA)!4.创建轨腰和轨头结构线ROUX=B3/2+R0-C1ROUY=ROUX*TAN(CTA)ANGI=ASIN((H1+H2)/R0)K,6,B3/2+R0-R0*COS(ANGI)K,7,B3/2+R0-R0*COS(REFA),H1+H2+R0*SIN(REFA)LARC,6,7,2,R0DX1=R6*(COS(BTA)-SIN(CTA))DY1=R6*(COS(CTA)-SIN(BTA))K,8,ROUX-DX1,H1+2*H2+ROUY-DY1K,9,ROUX,H1+2*H2+ROUYLARC,7,8,2,R5LARC,8,9,2,R6K,10,B4,H1+2*H2+B4*XD3K,1