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1 若工件全長為100mm,錐度長為80mm,大徑為40mm,小徑為20mm,如欲用偏置尾座法車錐度,則尾座之偏置量為:
A 10mm
B 12.5mm
C 15mm
D 25mm
T = (D-d)/l = (40-20)/80=1/4
S=TL/2=(1/4*100)/2=12.5mm