.
. .
10,13[ ] :
d=45 45 h6
Smax =41
Smin =0
Sm = 20.5
6- =5.
=10
Ra = 2.5
.
830 .3 7798-70
g6, 6.
, Smax = 23 .
, Smin = 5 .
Sm = (33+7)/2 = 14
: 4.22
[ 8 ]: d(D) = 8 ; P = 1,25 ; 4.24 [ 8 ]: d2 = D2 = 8-1+0,188 = 7,188 ; d1 = D1 = 8-2+0,647 = 6,647 .
4.29 [ 8 ]:
d2max =7,188-0,028 =7,16 ;
d2min =7,188-0,146 =7,042 ;
dmax =8-0,028 =7,972 ;
dmin =8-0,240 =7,76 ;
d1max =6,647-0,028 =6,619 ;
d1min .
4.29 [ 8 ]:
D2max =7,188+0,16 =7,348 ;
D2min = D2 =7,188 ;
D1max =6,647+0,265 =6,912 ;
D1min = D1 =6,647 ;
Dmax ;
Dmin = D = 8 .
6
, .
, .
, .
N9.
Js9.
h9.
14
.
, Smax = ESei = 21+43 = 64 .
, Nmax = es EI = 0+21 = 21 .
Sm = (Smax-Nmax)/2 = 21.5 .
.
, Smax = ESei = 0+43 = 43 .
, Nmax = es EI = 0+43 = 43 .
Sm = (Smax-Nmax)/2 = 0 .
t1 t2: 5.5+0,2 3.8+0,2 .
:
: . =2=2*0,043=0,086 .
=0,5= 0,5*0,043=0,0215
, [1], :
- Ra 3.2
- Ra 6.3.
7
|
|
8- ( ). , ; 10 /; 0,97; ; , .
( 1758-81 9368-81):
Fi=Fp+ft=45+18=63
( 1758-81 9368-81):
Fr = 63 .
k Fpk Fp ( 1758-81 9368-81):
Fpk = 40 Fp = 45 ;
k = 21
( 1758-81 9368-81):
Fvw = 50 .
( 1758-81 9368-81):
Fc = 50 .
( 1758-81 9368-81):
F = 90 .
( 1758-81 9368-81):
fi = 40 .
( 1758-81 9368-81):
fpt=22
fpb=21
( 1758-81 9368-81):
ft = 18 ;
( 1758-81 9368-81):
Fi=32 ;
( 1758-81 9368-81):
F=40 ;
( 1758-81 9368-81):
Fb=32 ;
( 1758-81 9368-81):
fx=32 fy=16 ;
( ) ( 1758-81 9368-81):
, 40 % , 50%
( 1758-81 9368-81):
Ehs =-250
Ewms(1)=-180
Ecs=-180 .
Ewms(2)=-18
Ewms= Ewms(1) + Ewms(2)=-198
( 1758-81 9368-81):
=200
TWw=100
=140 .
far=+90 - .
0 0,25 .
. , .
, .
. , , , . .
|
|
, , ( ). , , ( ).
:
1. .
2. .
3. .
4. .
5. .
.
( 12). , (, , ).
( ).
1 .
:
;
;
;
\
( 1).
1- .
i | ||||
Σ | - | - | - | |
1 | 1,56 | - | - | |
2 | 1,08 | h | ||
3 | 2,17 | h | ||
4 | 0,9 | h | ||
5 | 1,56 | - | - | |
6 | 1,31 | IT/2 | ||
7 | 2,9 | h | ||
8= | 0,55 | - | - | |
9 | 1,31 | IT/2 |
( 2).
2- .
, | - , | - , | ||
Σ | +250 | +125 | ||
1 | -150 | -75 | ||
2 | -180 | -90 | ||
3 | -350 | -175 | ||
2 | ||||
4 | -150 | -75 | ||
5 | -150 | -75 | ||
6 | +105 | -105 | ||
7 | -460 | -230 | ||
8= | - | - | -135 | |
9 | +105 | +105 |
:
;
;
;
;
, :
;
;
8min=8+8-8/2=1+(-0,135)-1,61/2= 0,06 ;
8max=8+8+8/2=1+(-0,135)+1,61/2= 1.67 ;
, :
;
- ( ), 0,10,3 ; =37.5
;
: ;
:
;
;
:
1 = 1-0,04 ;
2 = 1+0,207 = 1,207-0,04 ;
3 = 1,207+0,207= 1,414-0,04 ;
4 = 1,414+0,207= 1,621-0,04 ;
5 = 1,621+0,207= 1,828-0,04 ;
6 = 1,828+0,207= 2,035-0,04 ;
7 = 2,035+0,207= 2,242-0,04 ;
8 = 2,242+0,207= 2,449-0,04 ;
9 = 2,449+0,207= 2,656-0,04
9
, , ; , , , . , , , . .
|
|
, IT6 IT12. 5- , . , , . .
(-) (-). , , , , .
, , , . , , , 8- .
. (-) (-) . , , (100 ) .
- ( ) , - .
.
25112-85 (d = 50 ) : 1, z1, α1, , 1, es ei, 3, 4.
3.
dmax | dmin | H1 | Z1 | Hp | α1 | Y1 | |
Ø50k6+0,002 | 50,018 | 50,002 | 0.004 | 0.0035 | 0.0015 | 0.003 |
:
-:
+0.004 ;
-:
+0.004 ;
-:
-0.0015 ;
-:
-0.0015 ;
-:
-0.0015 ;
4- .
50,01+0.004 | 50,01 | 1,01;9;40 | |
50+0.004 | |||
- | 50,015-0.0015 | - | - |
- | 50,003-0.0015 | - | - |
- | 50,02-0.0015 | - | - |
1 .. . . 3- . : , 2004. 207 ., .
2 .. , . , 6- , . . .: , 1978. 352 .
|
|
3 .. . .: , 1984. 532 .
4 .. , . .: , 1984. 112 ., .
5 .. . .: , 1989. 376 ., .
6 .. . .: , 1981. 432 ., .
7 .. , . .: , 1986. 352 .
8 .. . 2, 1984. 458 ., .