Robot asked in 科學工程學 · 8 years ago

圓軸受彎矩 計算安全係數

有一實心鋼製圓形長軸,直徑為d mm,其允許強度為S N/m2,軸由間距L mm之二軸承支撐,已知軸所受最大彎矩為M N.m,若只考慮彎曲正應力,而不計入剪應力,試求本設計的安全係數(factor of safety)N為何?

1 Answer

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  • 麻辣
    Lv 7
    8 years ago
    Favorite Answer

    Induced Stress:σ=M/Z=M/(πd^3/32)=32M/πd^3Safe Factor:N=S/σ=Sπd^3/32M

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