, ,
(4.1)
(4.1)
(4.2)
. 1643-72 V£5 / V£10 / 8- ; VÎ(10,20) /, 7- .
kHa=1. kHa .4. - .4
, .
kHb .7. kHV .8, .
(4.3)
zR, zV, kL, kxH , , .
7 /4/
ybd | £ HB350 | > HB 350 | ||||
(b/dm1) | I | II | III | I | II | III |
0.4 | 1.15 | 1.04 | 1.0 | 1.33 | 1.08 | 1.02 |
0.6 | 1.24 | 1.06 | 1.02 | 1.50 | 1.14 | 1.04 |
0.8 | 1.30 | 1.08 | 1.03 | - | 1.21 | 1.06 |
1.0 | - | 1.11 | 1.04 | - | 1.29 | 1.09 |
1.2 | - | 1.15 | 1.05 | - | 1.36 | 1.12 |
1.4 | - | 1.18 | 1.07 | - | - | 1.16 |
1.6 | - | 1.22 | 1.09 | - | - | 1.21 |
1.8 | - | 1.25 | 1.11 | - | - | - |
2.0 | - | 1.30 | 1.14 | - | - | - |
: I - ; II - ; III - . |
8 /4/
v, / | |||||
5 | |||||
£ HB 350 | 1.05 | - | - | - | |
> HB350 | 1.10 | - | - | - | |
£ HB 350 | 1.0 | 1.01 | 1.02 | 1.05 | |
> HB350 | 1.0 | 1.05 | 1.07 | 1.10 |
7- zR=0.9, 8- zR=0.95-1. zV=1, V£5/.
zV=0.85V0.1. (4.4)
kL=1. da2£700 kxH=1,
(4.5)
s , 5-6 %:
(4.6)
20% . , . .3 4 s (4.3). , kHb .7 (4.1).
|
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. , .