参考答案:已知d=36mm、P=6mm、M=30.80mm
d0=0.518P=0.518×6mm=3.108mm
M=d2+4.864d0-1.866P
d2=M-4.864do+1.866P
=30.80mm-4.864×3.108mm+1.866×6mm
=26.88mm
[答] 梯形螺纹的中径为26.88mm。
Professor Lee's book will show you how you have observed that can be used in other contexts.()
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