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__VI - 5______
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, 2012
1. 酅.3
2. 酅9
3. 酅.................................13
4. ..14
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1.
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.1.
VI 5, .28 [1] 831-75 6-36214:
- - ,
, 6 ;
- D = 125 ;
- d=70 ;
- =24 ;
- r = 2,5 ;
- α = 12˚.
FR=11 ;
FA=4,5 ;
, , : , 150% .
, d./ d=0,4.
, -
, ;
, ;
( ) ( d3):
d3 = d - 5 = 70 - 5 = 65 .
NmaxF = 120 , - NminF = 50 .
, : d1=D; d2=d; d3=d-5=65.
, ,
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.14 [1] : D = 125-0.015; d=70-0,012.
: ,
, ,
, - .
:
) .
.
k1, k2, k3: 150% 16 [1] k1=1,0;
. 17 [1] d./ d = 0,4 k2=1,0.
.18 [1] k3=2,0 β = 12˚ (F/FR) ∙ ctgβ = (4500/11000) ctg12˚= 1,92.
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PR= (FR/)∙k1∙k2∙k3 = (11000/24)∙1,0∙1,0∙2,0 = 917 /.
19 [1] PR = 917 /
k6. Ø70L0/k6 (. 2).
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) .
. 15 [1] D = 125
,
150% H7 0 6.
Ø125 H7/l0 (.2).
) .
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d11-
d9 . d9
Ø125 H7/d9
(. 2).
) .
,
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S = 2030 . ,
EI , es = 21 20 30 .
, 9.
Ø709/k6 (.2).
Smin = EI es = 60 21 = 39 ,
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