36. 11. 063 .3 535-8.
.3 . , . , .
:
() 0,14 0,22%,
(Mn) 0,4 0,65%,
(Si) 0,15 0,3%,
(S) 0,05%,
() 0,04%,
(Cr) 0,3%,
(Ni) 0,3%,
(Cu) 0,3%,
(N) 0,008%,
(As) 0,08%.
:
s = 380-490
= 24 /2..
[1] " ". . ... .: , 1989 .
3.4.
, . 200 . , 0,14 . .3.1 .
3.1.
.
, | |||||
, . | , . | , . | , . | , . | |
1.0 | < 10 | 10-2000 | 1500-100000 | 75000-200000 | |
1.02.5 | < 10 | 10-1000 | 1000-50000 | 50000-100000 | |
2.55.0 | < 10 | 10-500 | 500-35000 | 35000-75000 | |
5.010 | < 10 | 10-300 | 300-25000 | 25000-50000 | |
10 | < 10 | 10-200 | 200-10000 | 10000-25000 |
, .
, . .
3.110874 : 20< . ≤40 .
. = /,
; . . , .
. , .
3.5.
2590-88 2591-88. .
|
|
2590-88.
:
:
D=1,414* =1,414*25=35,35
,
= 25 .
= 36 +0,4-0,75 [6] .81, . 11.
D=36,4 .
:
Ø 36 68 Z .=0,7 , [22. .29], . 4.
[22. .30]
L =L+2 *Z ..
,
L = 68 .
:
L =68+2*0,7= 69,470 .
14 . : L =70h14(-0,74)
, 70 .
.
G = Y*V
Y7,85 /3 - 3 535-88.
V = l* R2*π .
: l=7 .
R=D/2=3,64/2=1,82
:
G... = 7,85*7*1,822* π=571,82=0,57
, 7000
X=(L l. - l)/(l + l)
: L =7000 .
l.=(0,30,5)*Ø.= 0,3*36,4= 10,92
[22. .33]
l=(0,91,2)*Ø.= 0,9*36,4= 32,76 , [22. .34].
l=70
l=6,5 [22. .33].
:
X=(7000-10,92-32,76)/(70+6,5)=90,93.
90.
:
L= L- X* (l + l) = 7000-90*(70+6,5)=115
7000.
.=(l. + l + l *+ L)*100/7000
.= (10,92+32,76+6,5*90+115)*100/7000=10,62%
, 4000
X=(4000-10,92-32,76)/(70+6,5)=51,71.
51.
L= L- X* (l + l) = 4000-51*(70+6,5)=98,5
4000.
.=(l. + l + l *+ L)*100/4000
.= (10,92+32,76+6,5*51+98,5)*100/4000=11,84%
: 7000, 7000.
.
G.= G +(G * .)
G .= G *(100+ .)/100=0,57 *(100+10,62)/100=0,63
:
:
= G / G = 0,14/0,63= 0,22
G =0,14 .
:
. = [ * G (G - G)*]*./1000
=143 1 [22. .87], . 20
= 28,1 1 [22. .89], . 22
|
|
.=100 .
: . =[143*0,63 (0,63-0,14)*28,1]*100/1000=7,63.
2591-88.
:
= 25 +0,4-0,5 2591-88.
=25,4 .
:
□25 68 Z .=0,7 , [22. .29], . 4.
[22. .30]
L =L+2 *Z ..
,
L = 68 .
:
L =68+2*0,7= 69,470 .
14 . : L =70h14(-0,74)
, 70 .
.
G = Y*V
Y7,85 /3 - 3 535-88.
V = l* 2 .
: l=7 .
=2,54
:
G... = 7,85*7*2,542=354,52=0,35
, 7000
X=(L l. - l)/(l + l)
: L =7000 .
l.=(0,30,5)*□.= 0,3*25,4= 7,62 [22. .33].
l=(0,91,2)*□.= 0,9*25,4= 22,86 , [22. .34].
l=70
l=6,5 [22. . 33].
:
X=(7000-7,62-22,86)/(70+6,5)=91,1.
91.
L= L- X* (l + l) = 7000-91*(70+6,5)=38,5
7000.
.=(l. + l + l *+ L)*100/7000
.= (7,62+22,86+6,5*91+38,5)*100/7000=9,43%
, 4000
X=(4000-7,62-22,86)/(70+6,5)=51,88.
51.
:
L= L- X* (l + l) = 4000-51*(70+6,5)=98,5
4000.
.=(l. + l + l *+ L)*100/4000
.= (7,62+22,86+6,5*51+98,5)*100/4000=11,51%
: 7000, 7000.
.
G.= G +(G * .)
G .= G *(100+ .)/100=0,35 *(100+9,43)/100=0,38
:
:
= G / G = 0,14/0,38= 0,37
G =0,14 .
:
. = [ * G (G - G)*]*./1000
=143+143*0,3=185,9 1 ( 30% )
= 28,1 1 [22. .89], . 22
.=100 .
: . =[185,9*0,38 (0,38-0,14)*28,1]*100/1000=6,38.
- :
( ) :
= ( . - .) *N
= (7,63-6,38) *200= 250 .
:
N=200
3.6.
8661 | ||
- | - 1616 | |
- 682 | ||
- 682 | ||
- 2125 | ||
7409 | ||
2-2-16001000 10905-86 |
|
|
, .
010 12 35.