在ANSYS中螺钉螺纹的建模可能一直困扰着很多用户，这里再给大家分享一个建模的例子。

/PREP7
D=20
L=60
B=46
P=2.5
DW=28.2
SMAX=30
KGC=12.5
C=0.8
REFA=60
*AFUN,DEG
H=0.5*P*COS(REFA/2)/SIN(REFA/2)
D1=D-2*5/8*H
D2=D-2*3/8*H
DBANGL=30
TKPD=30
CSYS,1
N=(B-3*P/4)/P
TDEG=N*360
TDEG1=MOD(TDEG,TKPD)
N0=(TDEG-TDEG1)/TKPD+1
*DO,I,1,N0
CTA=(I-1)*TKPD
Z=P/360*CTA
K,I,D1/2,CTA,Z
*ENDDO
*IF,TDEG1,LT,1.0E-2,THEN
*ELSE
N0=N0+1
CTA=CTA+TDEG1
Z=P/360*CTA
K,N0,D1/2,CTA,Z
*ENDIF
*DO,I,1,N0-1
L,I,I+1
*ENDDO
CM,L1CM,LINE
CSYS,0
KM=KPINQR(0,14)
K,KM+1,D1/2,,-3*P/8
K,KM+2,D1/2,,3*P/8
K,KM+3,D/2,,P/16
K,KM+4,D/2,,-P/16
A,KM+1,KM+2,KM+3,KM+4
VDRAG,1,,,,,,L1CM
NUMCMP,ALL
WPOFFS,0,0,-3*P/8
CYL4,,,D1/2,,,,B
VLIST
WPOFFS,,,B
CYL4,,,D/2,,,,L-B
WPOFFS,,,L-B
CYL4,,,DW/2,,,,C
V3=V1+2
RPRISM,C,KGC,6,,,SMAX/2
WPCSYS