销轴计算

销轴剪力2P(t)163.4单侧剪力P81.7t

销轴直径D(mm)110面积9503mm2

计算剪应力112.3Mpa45#[σw]=360/1.5=240MPa

45#[τw]=240*0.58=139.2MPa

a(mm)39L(mm)169

τmax=QS/(Ib)=16Q/(3πd2)=4Q/3/A 计算弯矩 3.1863t.m

40Cr[σw]=785/1.5=523MPa

计算弯曲应力239.0Mpa40Cr[τw]=523*0.58=303.5MPa

合应力308.2Mpa40CrMnSi[σw]=885/1.5=590MPa

40CrMnSi[τw]=590*0.58=342.2MPa M=Pa w=πD3/32=

τmax=16Q/(3πd2)A=πD2/4

σr=(σ2+3τ2)^(1/2)

销轴剪力2P(t)50单侧剪力P25t

销轴直径D(mm)100面积7854mm2

计算剪应力41.6Mpa

a(mm)30L(mm)464

计算弯矩0.75t.m

计算弯曲应力74.9Mpa

合应力103.9Mpa

M=Pa w=πD3/32=τmax=4Q/3A A=πD2/4σr=(σ2+3τ2)^(1/2)

=360/1.5=240MPa

=240*0.58=139.2MPa (Ib)=16Q/(3πd2)=4Q/3/A ]=785/1.5=523MPa

]=523*0.58=303.5MPa [σw]=885/1.5=590MPa [τw]=590*0.58=342.2MPa