-2-12_____________________________. .
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2014
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48.153.000.000 |
1.1.
' ...3
1.1. '
.............................................................3
1.2. ', .............................................................................................5
2. 璺 .7
2.1. . 7
2.2 9
3. ............................... 12
4. '....................... 15
5. '.........................18
6. ..........................................21
..................................................................................23
1.
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48. 153.000.000 |
˲ '
璺
Æ 38 H8/f7;
1).
ES = + 39 ; EI = 0;.
es = -25 ; ei = -50 .
2).
Dmax = Dn + ES = 38+0,039=38,039 ; (1.1)
Dmin = Dn + EI = 38+0=38 ; (1.2) dmax = dn + es = 38+(-0,025)=37,975 ; (1.3)
dmin = dn+ei = 38+(-0,05)=37,95 , (1.4) Dmax, Dmin - , ;
dmax, dmin - , ;
ES, El, es, ei - , .
3).
D = Dmax Dmn = 38,039-38=0.039 ; (1.5)
d = d dmin = 37,975-37,95=0.025 . (1.6)
TD, Td , .
4).
Smax = Dmax dmin = 38,039-37,95=0.089 ; (1.7)
Smin = Dmin dmax = 38-37,975=0,025 . (1.8)
Smax, Smin , .
5).
TS = Smax - Smin = 0,089-0,025=0,064 ; (1.9)
TS = TD + Td 0,039+0,025=0,064 . (1.10)
TS , ;
6).
璺 Æ 26 H9/c8; (. 1.1)
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-50 |
-25 |
H8 |
f7 |
- - |
.1.1. 璺 Æ 38 H9/c8
7). 璺 , (. 1.2)
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. 1.2. '
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48. 153.000.000
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48. 153.000.000 |
Æ75 T7/h7 n = 3.
1).
ES = -75 ; EI = -105 ;
es = 0; ei = - 30 .
2). (1.1-1.4)
Dmax = Dn + ES=75+ (-0,075) = 74,925 ;
Dmin = Dn + EI= 75 + (- 0,105) = 74,895 ;
dmax = dn + es =75 + 0 = 75 ;
dmin = dn + ei= 75+(-0,03) = 74,97 .
3). (1.5,1.6)
D =Dmax -Dmin = 74,925-74,895=0,03 ;
d = dmax -dmin =75-74,97=0,03 .
4).
D= ; (2.1)
d= , (2.2)
D, d , ;
n .
D=30/3=10 ; d=30/3=10 .
5). (1.7)
Nmax = dmax Dmin = 75-74,895=0,105 ;
Nmin = dmin Dmax =74,97-74,925=0,045 .
6). ', . (. 1.3)
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48. 153.000.000 |
-10 |
-20 |
-30 |
-105 |
-75 |
-85 |
-95 |
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1.3. 璺 Æ150 U8/h8,
7).
N max = d max D min;
N min = d min D max,
N. max, N. min ,
D. min, D. max .
N1 max = d1 max -D1 min = 74,98-74,895=0,085 ;
N1 min = d1 min -D1 max = 74,97-74,905=0,065 ;
N2 max = d2 max -D2 min = 74,99-74,905=0,085 ;
N2 min= d2 min -D2 max = 74,98-74,915=0,065 ;
N3 max = d3 max -D3 min = 75-74,915=0,085 ;
N3 mx =d3 min -D3 max = 74,99-74,925=0,065 .
8). 璺 Æ75
( 1.1).
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璺 Æ75
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74,895 | 74,97 | ||
74,905 | 74,980 | ||
74,905 | 74,980 | ||
74,915 | 74,990 | ||
74,915 | 74,990 | ||
74,925 |
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48. 153.000.000 |
: dn =32;
璺: l = 53;
: ω =64 -1;
: = 0,1310-6 ;
: 20 (η =0,02 );
: RzD= 6,3 ; Rzd= 3,2 ;
1).
; (2.1)
S , ;
dn ', ;
ω , -1;
η , ;
l- 璺,;
- , .
,
h , ;
, (2.2)
- , ;
2).
, (2.3)
- , ;
K-, =1,4;
- , .
(2.4)
3). ,
. (2.5)
Ø32
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29 < 36,48
- , .
4) .
(2.7)
- ,
(2.8)
, 19,9> 13,3 .
5).
(2.9)
Ø32 9(+0,062) D = 62 δ =16 0,01 . , .
Ø32e8 d = 39 δ =10 MP 0,002 ,
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dn = 82 ; l = 73 ; d2 = 164 ; = 1935 ͷ; 45; f = 0,1; RzD = 10 ; Rzd = 10 .
1)
, (2.10)
min , ;
, ͷ;
dn ', ;
f .
2)
, (2.11)
Nmin , ;
D, d , ;
D, d , ;
(2.12)
(2.13)
d2 , ;
d1 , ( d1 = 0);
μD, μd ( 0,3; 0,25; 0,35; 0,38).
, (2.14)
=26 .
3)
N=Nmin+2k(RzD+Rzd), (2.15)
Npo , ;
( = 0,25...0,75);
RzD, Rzd , .
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4) ,
Nmin ≥ N. (2.16)
Nmin . ,
Ø82 ,
Nmin =56 , Nmax = 86 , 56>50.
5)
) ,
, (2.17)
max , ;
Nmax , .
;
)
, (2.18)
)
σD< σD; (2.19)
σD , .
45 σD=460106 ;
98106<360106.
.
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6) (2.7)
Ø82 5(+0,015) D = 15 δ = 5 0,001 , .
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307 : R = 2380; 150%; : -, -.
1) 307:
d = 35 ;
D = 80 ;
= 21 ;
r = 2,5 .
2)
(3.1)
R , /;
R , ;
, ;
r , ;
, ( 150%, = 1, 300%, = 1,8);
1 , ( 1=1, 1= 1...3, 1...1,8)
2 (2 = 1...2; 2 = 1).
3) , 璺 . Ø35js6.
150% 璺 Ø80H7.
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3.1
Ø35js6(0,008) | Ø80H7 |
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5) 璺 (. 3.1).
-15 |
-15 |
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+8 |
L0 |
js6 |
-12 |
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a)
H7 |
l0 |
+30 |
-13 |
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. 3.1. 璺:
) -;
) -
6) ' (. 3.2).
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'
' d=78 ? 璺.
1) ':
- b = 32 ;
- h = 18 ;
- l = 90 ;
- t1= 11 ; d-t1 = 101 ;
- t2= 7,4 ; d+t2 = 119,4 .
2) ' b:
- b = 32h9(-0,062);
- b1 = 32N9 ;
- b2 = 22Js9(0,031).
3) :
-
bmax= b+es = 32+0 = 32 ;
bmin = b+ei = 32+(-0,062) = 31,938 ;
-
b1max= b1+es1 = 32+0 = 32 ;
b1min = b1+ei1 = 32+(-0,062) = 31,938 ;
-
b2max= b2+es2 = 32+ 0,032 = 32,031 ;
b2min = b2+ei2 = 32+(-0,031) = 31,969 .
4) 璺 - .
s1max= b1max-bmin = 32 31,938=0,03;
N1max = bmax- b1min= 32-31,938 = 0,074.
5) 璺 - .
s2max= b2max-b1min = 32,031-31,938=0,093;
N2min =bmax- b2min =32-31,969=0,031.
6) ':
- h = 18h11 ;
- l = 90h14 ;
- t1 = 11+0,2 d t1=101-0,2;
- t2 = 7,4+0,2 d+t2=119,4+0,2 ;
- l=9015(+1,4 ) .
7) b (. 4.1).
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h9 |
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-31 |
-62 |
-62 |
-31 |
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. 4.1. ' b
8) '
(. 4.2).
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'
'
1) ' .
. - 12, - 11.
2) '. . 5.1
5.1
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D=78 | H11 | +220 | 102,22 | ||
97,7 | |||||
d=72 | 7 | +35 | 112,035 | ||
g7 | -12 | -47 | 111,988 | 111,953 | |
b=12 | F9 | +59 | +16 | 16,059 | 16,016 |
e9 | 32 | 75 | 15,968 | 15,925 |
3) ' (. 5.1).
+35 |
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7 |
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F9 |
+59 |
+16 |
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E9 |
-32 |
-75 |
g7 |
-47 |
-12 |
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. 5.1. ':
) D;
) b;
.117 |
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4) ' (. 5.2)
.5.2. 璺
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1 = 30,25 , 2 = 15-0,1 , 3 = 33 , 4 = 5,
5 =22, 6 =30, Δ = 48 .
1)
1=30,25 |
2=15-0,1 |
3=33 |
4=5 |
Δ=481,7 |
5=22 |
6=30 |
. 6.1.
2)
(6.1)
- , ;
- , ;
m ;
n ;
Δ , .
(22+5+33+15+3)-30=48 .
.
3)
Δ = SΔ- ŲΔ ; (6.2)
Δ , ;
SΔ, EIΔ , ;
Δ = SΔ- ŲΔ=1700-(-1700)=3400 .
4)
(6.3)
- , , ;
- , , .
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48. 153.000.000 |
5) k.
14 , k=400.
6) .
5 , (k<k);
7) 14
3=33h14(-0,62);
4=5h14(-0,3);
6=82js14 .
8)
5=Δ-Σ (6.5)
. , ;
- , .
5=3400-(520+500+100+620+300)=1360 .
9)
S5 = ΣŲ +SΔ-ΣS ; (6.6)
S5 = -260+1700-250=1190 ;
Ų5 =ΣS +ŲΔ-ΣŲ ; (6.7)
Ų5 =260+(-1700)-(-250-100-620-300)=-170 .
S., Ų. , ;
S., Ų. , ;
ΣS, ΣŲ , ;
ΣS , ΣŲ , ;
SΔ, ŲΔ , .
10)
-
Δ=Σ ; (6.8)
3400=520+500+100+620+300+1360;
-
SΔ=Σ S ΣŲ ; (6.9)
1000=(0+0+0+730)-(270);
ŲΔ= ΣŲ - ΣS ; (6.10)
-1700=(-250-100-620-300-170)-260;
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3=33h14(-0,62);
4=5h14(-0,3);
5=22 .
6=30Js14 ;
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48. 153.000.000 |
1. ѳ .. , (2- , ): ϳ. .: , 2009. 353 .
2. . . 2 . / .. . 6- ., . . .: , 1982. .1, 543 .
3. . . 2 . / .. . 6- ., . . .: , 1982. .2, 543 .
4. , . /.. , .. , .. . .: , 2010. 291 .
5. .. , . . : . 64 .