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销轴剪力2P(t)300单侧剪力P150t销轴直径D(mm)110面积9503mm2计算剪应力206.2Mpa45#[σw]=360/1.5=240MPa45#[τw]=240*0.58=139.2MPaa(mm)39L(mm)169τmax=QS/(Ib)=16Q/(3πd2)=4Q/3/A计算弯矩5.85t.m40Cr[σw]=785/1.5=523MPa计算弯曲应力438.7Mpa40Cr[τw]=523*0.58=303.5MPa合应力565.8Mpa40CrMnSi[σw]=885/1.5=590MPa40CrMnSi[τw]=590*0.58=342.2MPaM=Paw=πD3/32=τmax=16Q/(3πd2)A=πD2/4σr=(σ2+3τ2)^(1/2)销轴剪力2P(t)300单侧剪力P150t销轴直径D(mm)100面积7854mm2计算剪应力249.6Mpaa(mm)30L(mm)464计算弯矩4.5t.m计算弯曲应力449.2Mpa合应力623.4MpaM=Paw=πD3/32=τmax=4Q/3AA=πD2/4σr=(σ2+3τ2)^(1/2)45#[σw]=360/1.5=240MPa45#[τw]=240*0.58=139.2MPaτmax=QS/(Ib)=16Q/(3πd2)=4Q/3/A40Cr[σw]=785/1.5=523MPa40Cr[τw]=523*0.58=303.5MPa40CrMnSi[σw]=885/1.5=590MPa40CrMnSi[τw]=590*0.58=342.2MPa