: ø40 k 6 ; , , IT/ σ = 4,5.
(IT/ σ < 6) , . .
(IT) 8.1 (δ): ø40 k 6 IT = 0,018 0,002 = 0,016 ; δ = 5 .
8.2 .
-50 4381 5 -50 11098 8. , , -50 4381. : 25...50 , 0,002 , Δ = 6 ( ). , , . 25 .
, , .. .
. (1):
(σ) = 3/16 100 % = 18,5 %; σ = Δ/2 = 6/2 = 3 .
8.1 (σ) = 16 % IT /σ = 4,5 : m = 1,8 %; n = 4,5 %; / IT = 0,07. , = 0,07 16=1,12 ≈ 1 .
:
d max = 40,018 ;
d min = 40,002 .
( 1,8 %), 1,0 . . 4,5 %, .. .
Δ > δ. . :
= I 2 =16 21,0 = 14,0 .
: dmax.= 40,018 0,001 ≈ 40,017 ,
dmin. = 40,002 + 0,001 ≈ 40,003 .
. (2) :
δ= 0,3 5= 1,5 .
8.2 28 32. : 0.001 , Δ = 1,0 , 0...100 . , , , .
|
|
: 0,001 , Δ = 1,5 , 0...250 . , , . .
9
9.1
, , () .
, , , , . - . : , , , , ..
, ( ).
. , . .
(). ( ) , , . , , , , , .
, , , , .
.
, , .. .
(, ) . .
, , .. () () .
, .
:
- , ;
- ( ), ;
- (), .
|
|
() -, () -. - . - ( ) . , , .
9.2
, . : . . , .. , .
, .. , .
24853 500 . . 1 . ( 9.1). - 9.1.
9.1 , , ( 24853-81)
, | ||||||||||||
. 3 6 | 6...10 | 10...18 | 18...30 | 30...50 | 50...80 | 80...120 | 120180 | 180250 | 250315 | |||
Z | 1,5 | 1,5 | 2,0 | 2,0 | 2,5 | 2,5 | 3,0 | 4,0 | 5,0 | 6,0 | IT 1 | |
Y | 1,0 | 1,0 | 1,5 | 1,5 | 2,0 | 2,0 | 3,0 | 3,0 | 4,0 | 5,0 | ||
α, α1 | 2,0 | 3,0 | ||||||||||
Z 1 | 2,0 | 2,0 | 2,5 | 3,0 | 3,5 | 4,0 | 5,0 | 6,0 | 7,0 | 8,0 | ||
Y 1 | 1,5 | 1,5 | 2,0 | 3,0 | 3,0 | 3,0 | 4,0 | 4,0 | 5,0 | 6,0 | ||
1,5 | 1,5 | 2,0 | 2,5 | 2,5 | 3,0 | 4,0 | 5,0 | 7,0 | 8,0 | |||
1 | 2,5 | 2,5 | 3,0 | 4,0 | 4,0 | 5,0 | 6,0 | 8,0 | ||||
H p | 1,0 | 1,0 | 1,2 | 1,5 | 1,5 | 2,0 | 2,5 | 3,5 | 4,5 | 6,0 | ||
Z, Z 1 | 2,0 | 2,0 | 2,5 | 3,0 | 3,5 | 4,0 | 5,0 | 6,0 | 7,0 | 8,0 | IT 2 | |
Y, Y 1 | 1,5 | 1,5 | 2,0 | 3,0 | 3,0 | 3,0 | 4,0 | 4,0 | 6,0 | 7,0 | ||
α, α1 | 3,0 | 4,0 | ||||||||||
H, H 1 | 2,5 | 2,5 | 3,0 | 4,0 | 4,0 | 5,0 | 6,0 | 8,0 | ||||
H p | 1,0 | 1,0 | 1,2 | 1,5 | 1,5 | 2,0 | 2,5 | 3,5 | 4,5 | 6,0 | ||
Z, Z 1 | 3,0 | 3,0 | 4,0 | 5,0 | 6,0 | 7,0 | 8,0 | 9,0 | IT 2 | |||
Y, Y 1 | 3,0 | 3,0 | 4,0 | 4,0 | 5,0 | 5,0 | 6,0 | 6,0 | 7,0 | 9,0 | ||
α, α1 | 4,0 | 6,0 | ||||||||||
H | 2,5 | 2,5 | 3,0 | 4,0 | 4,0 | 5,0 | 6,0 | 8,0 | ||||
1 | 4,0 | 4,0 | 5,0 | 5,0 | 7,0 | 8,0 | ||||||
H p | 1,5 | 1,5 | 2,0 | 2,0 | 2,5 | 3,0 | 4,0 | 5,0 | 7,0 | 8,0 | ||
9* | Z, Z 1 | 6,0 | 7,0 | 8,0 | 9,0 | IT 2 | ||||||
α, α1 | 4,0 | 6,0 | ||||||||||
2,5 | 2,5 | 3,0 | 4,0 | 4,0 | 5,0 | 6,0 | 8,0 | |||||
1 | 4,0 | 4,0 | 5,0 | 6,0 | 7,0 | 8,0 | ||||||
H p | 1,5 | 1,5 | 2,0 | 2,5 | 2,5 | 3,0 | 4,0 | 5,0 | 7,0 | 8,0 | ||
10* | Z, Z 1 | 6,0 | 7,0 | 8,0 | 9,0 | IT 2 | ||||||
α, α1 | 7,0 | 9,0 | ||||||||||
2,5 | 2,5 | 3,0 | 4,0 | 4,0 | 5,0 | 6,0 | 8,0 | |||||
1 | 4,0 | 4,0 | 5,0 | 6,0 | 7,0 | 8,0 | ||||||
H p | 1,5 | 1,5 | 2,0 | 2,5 | 2,5 | 3,0 | 4,0 | 5,0 | 7,0 | 8,0 | ||
11* | Z, Z 1 | IT 4 | ||||||||||
α, α1 | ||||||||||||
, 1 | 5,0 | 6,0 | 8,0 | 9,0 | ||||||||
H p | 1,5 | 1,5 | 2,0 | 2,5 | 2,5 | 3,0 | 4,0 | 5,0 | 7,0 | 8,0 | ||
12* | Z, Z 1 | IT 4 | ||||||||||
α, α1 | ||||||||||||
, 1 | 5,0 | 6,0 | 8,0 | 9,0 | ||||||||
H p | 1,5 | 1,5 | 2,0 | 2,5 | 2,5 | 3,0 | 4,0 | 5,0 | 7,0 | 8,0 | ||
: , (*) Y = Y 1 = 0 |
|
|
(H 1) : Z - Z 1 -. 180 α α1 . 180 α = α1 = 0.
, . 8- Y Y 1 . (9... 17) , .. Y = Y 1 = 0. . .
) ) ) )
9.1 - :
) 180 , 68 ) 180 , 68
) 180 , 917 ) 180 , 917
- , . H p, . - .8.2 .8.3. 3- , (-), (-) (-).
, . . , , 9.2.
9.2
180 | 180 | |
( 9.1, ; 9.1, ) max = D min + Z+ H /2 min = D min + Z- H /2 = D min Y HEmax = D max + H /2 HEmin = D max H /2 (d) = (D min + Z+ H /2) - H E = (D max + H /2) -H | ( 9.1, ; 9.1, ) max = (Dmin + Z + /2) min = (Dmin+ Z /2) = (Dmin Y + α) max = (Dmax α + /2) HEmin = (Dmin α /2) (d) = Dmin + Z + /2)-H = (Dmax α + /2)-H | |
( 9.2, ; 9.3, ) max= (dmax Z 1 + 1/2) min= (dmax Z1 H1/2) = (dmax+ Y1) HEmax= (dmin + H1/2) HEmin = (dmin H1/2) (D) = (d max Z1 1/2)+ H 1 HE = (dmin H1/2)+H1 | ( 9.2, ; 9.3, ) max= (d max Z1 + /2) min= (d max Z1- H 1/2) = (dmax + Y1, α1) max = (d min + α1+ H 1/2) HEmin = (d max +α1 H 1/2) (D) = (d max Z1 H 1/2)+ H 1 HE = (d min+ α1 H 1/2)+ H 1 | |
( 9.2, ; 9.3, a) (d) - =(dmax + Y1 + Hp/2) Hp - = (dmax Z1 + Hp/2) Hp K-HE = (dmin + Hp/2) Hp | ( 9.2, ; 9.3, ) (d) - = (d max + Y 1 α1 + /2) H p - = (d max Z 1 + /2) H p K-HE = (d min + H P/2+ α1) H p | |
: * 9.6....9.13 |
|
|
) )
9.2 - 68, ) 180 ) 180
) )
9.3 -
917: ) 180 ) 180
:
- 6... 14 0,5 , ;
- 15...17 1 .
9.3
( ), . , . , , ( ).
, . , .
( ), . . , , . 2015. ( X , 15; 10; 12 .), HRC 57...63, () .
9.3.
:
- ( 9.11...9.13) ;
- 1 50 ( 9.4 9.10), 10 ;
- ( 9.5...9.9) , , .
9.3
Ra, . | |||
, | |||
0,1 100 | 100 360 | ||
0,025 (0,04) | 0,05 (0,08) | ||
1...9 | 0,05 (0,08) | 0,1 (0,16) | |
10...12 | 0,1 (0,16) | 0,1 (0,16) | |
6...9 | 0,05 (0,08) | 0,1 (0,16) | |
10...12 | 0,1 (0,16) | 0,1 (0,16) | |
6...9 | 0,025 (0,04) | 0,05 (0,08) | |
10 | 0,05 (0,08) | 0,1 (0,16) | |
: 1 Ra 201584, - 278973. 2 : Ra = 1,6 ; : Ra = 0,8 . |
25346-89: 6 IT1; 7... 10 - IT 2; 11... 12 IT 4 (. .1, 1.1)
|
|
, :
- ();
- ;
- () ;
- : ;
- - ( ).
, .
: 9.4 -, 9.5 -.
9.4 8133-0994 7, 1481069
:
- 1480769... 1482569;
- 1836093... 1836593.
( 9.49.11). 360 .
9.5 8133-0122 js 6, 1836093
9.4
.
, 1.1 . . .