:
85 . 2 .
=1839670 . Fa=1340 H
=R6*l=2910,5*90=261945 H
=493920 .
=559081
W=π*d3/32-2*b*t1(d-t1)2/2d=36062 3
W =π*d3/16-2*b*t1(d-t1)2/2d=86302 3
τv= τm=T/2Wk =10,7
σv=M/W=15,5, σm=4Fa/πd2=0,27
:
σ=3,2; τ=1,5; σ=570 σ-1=0,43*570=246; τ-1=0,58*246=142; εσ=0,74; ετ=0,63; β=0,94; ψτ=0,1; ψσ=0,14;
:
sσ= σ-1/(σσv/εσβ + ψσσm)=7,85
sτ= τ-1/(ττv/εσβ + ψττm)=5,035
s= =4,24. s<[s]=2,5
:
D=85 d=80. D/d=1,06 r/d=0,0125 :
σ=1,96; τ=1,3; σ=570 σ-1=0,43*570=246; τ-1=0,58*246=142; εσ=0,74; ετ=0,63; β=0,94; ψτ=0,1; ψσ=0,14;
=1839670 . Fa=1340 H
=R6*l1=2910,5*35=101868 H
=192115 .
=217453
W=π*d3/32=50240 3
W =π*d3/16=100480 3
τv= τm=T/2Wk =9,2
σv=M/W=3,76, σm=4Fa/πd2=0,26
:
sσ= σ-1/(σσv/εσβ + ψσσm)=21,2
sτ= τ-1/(ττv/εσβ + ψττm)=6,78
s= =4,24. s<[s]=6,46 s<[s].
, .
70 . 2 .
=1839670 .
W =π*d3/16-2*b*t1(d-t1)2/2d=86302 3
τv= τm=T/2Wk =14,7
:
τ=1,5; σ=570 σ-1=0,43*570=246; τ-1=0,58*246=142; ετ=0,63; β=0,94; ψτ=0,1;
|
|
:
sτ= τ-1/(ττv/εσβ + ψττm)=3,75 s<[s].
.
=1,772.
3 . 0,756. kt=17(2*0).
∆t=P(1-ƞ)/ ktA=32 0 C<[∆t]=60 0C. .
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