钣金工程图展开SPCC

陈彪1688

IF R/T<=2 & T<=1.5
L=PI*(R+T*((4*(R+T)-2*1.65*T)/PI-R)/T)*ANGLE/180
ENDIF
IF R/T<=2 & T>1.5
L=PI*(R+T*((4*(R+T)-2*1.75*T)/PI-R/T)*ANGLE/180
ENDIF
IF R/T>2 & R/T<=3
L=PI*(R+0.40*T)*ANGLE/180
ENDIF
IF R/T>3 & R/T<5
L=PI*(R+0.45*T)*ANGLE/180
ENDIF
IF R/T>=5
L=PI*(R+0.5*T)*ANGLE/180
ENDIF
IF R==0 & ANGLE==180 & T<=1.2
L=PI*(R+0.509*T)*ANGLE/180
ENDIF
IF R==0 & ANGLE==180 & T>1.2 & T<=2
L=PI*(R+0.47*T)*ANGLE/180
ENDIF
END FORMULA