: , , , , , .
. . 3.1 3.2 [2].
3.1
h | |
( , ): (): () : 30 14 30 8 14 ( ) ( ) | 0,960,98 0,950,97 0,900,95 0,850,90 0,700,80 0,750,85 0,800,90 0,940,96 0,920,95 0,98 0,990,995 |
3.2
u | u | ||
: (u ) , (u ) (u ) | 350 4056 HRC 5663 HRC 350 4056 HRC 5663 HRC 350 4056 HRC 5663 HRC 350 40 HRC | 2,55,0 2,55,0 2,04,0 3,155,0 3,155,0 2,54,0 4,06,3 4,06,3 3,155,0 1,02,5 1,04,0 1,04,0 16,050,0 1,54,0 1,54,0 | 6,3 6,3 5,6 8,0 7,1 6,3 10,0 9,0 8,0 3,15 6,3 5,0 80,0 10,0 8,0 |
4 . 3.3 [2].
3.3
4
( / , 1)
, | d *, | , -1 | |||
0,25 | 71B8/680 | ||||
0,37 | 19, 22 | 71A6/910 | 80A8/675 | ||
0,55 | 19, 22 | 71A4/1390 | 71B6/900 | 80B8/700 | |
0,75 | 19, 22, 24 | 71A2/2840 | 71B4/1390 | 80A6/915 | 90LA8/700 |
1,1 | 19, 22, 24 | 71B2/2810 | 80A4/1420 | 80B6/920 | 90LB8/700 |
1,5 | 22, 24, 28 | 80A2/2850 | 80B4/1415 | 90L6/935 | 100L8/700 |
2,2 | 22, 24, 28 | 80B2/2850 | 90L4/1425 | 100L6/950 | 112MA8/700 |
24, 28, 32 | 90L2/2840 | 100S4/1435 | 112MA6/955 | 112MB8/700 | |
28, 32, 38 | 100S2/2880 | 100L4/1430 | 1126/949 | 132S8/720 | |
5,5 | 28, 32, 38 | 100L2/2880 | 112M4/1445 | 132 S 6/965 | 132M8/720 |
7,5 | 32, 38, 42 | 112M2/2900 | 132S4/1455 | 1326/970 | 160S8/730 |
38, 42 | 132M2/2900 | 132M4/1460 | 160 S 6/975 | 160M8/730 | |
42, 48 | 160S2/2940 | 160S4/1465 | 1606/975 | 180M8/730 | |
18,5 | 42, 48 | 160M2/2940 | 160M4/1465 | 180M6/975 | |
180S2/2945 | 180S4/1470 | ||||
180M2/2945 | 180M4/1470 |
|
|
* . , = 0,75 , 712 d = 19 , 806 d = 22 , 90L8 d = 24 .
, , , , . . . cos j . 58 % [2].
: [16].
( , ) . , , , , , , , ( ) .
, : 2.383179 -; 1284.189 ; 38.0511476 ; 384052874 . 1738380, 2089888, . (. 3.4).
. 3.4.
.
: [16].
: , , , , , , , ( ). , . , [4, 5]. . 1356897 ( 60694), 1355281.
59169. .
|
|
.
: [16].
. 3.5.
. , (. 3.4, [1]).
, , [2]:
I ( 45, 40, 40 .) , 235262 ; , 262302 ;
II ( 40, 40, 35 .) , 269302 ; , 4553 HRC (. 3.4);
III ( 40, 40, 35 .) (). 4553 HRC;
IV , (40, 40, 35 .) 4553 HRC (. 3.4), , , 20, 202, 18, 25, 5663 HRC;
V ( 20, 202, 18, 25 .) , , 5663 HRC.
. , .
, 2050 . , 2080 [4].
3.4
,
, | s, | s, | , HRC () | ||
100500 | |||||
90 90120 120 | |||||
35 | 140 140 | ||||
40 | 125 120160 160 | ||||
40 | 150 150180 180 | ||||
40 45 | |||||
35 35 | |||||
40 | |||||
35 | |||||
25 |
.
, , , , . ψ bd ψ ba.
aw (ψ ba = b 2 / aw) : 0,1; 0,125; 0,16; 0,2; 0,25; 0,315; 0,4; 0,5; 0,63; 0,8 [2, 4]:
|
|
ψ ba = 0,3150,4;
ψ ba = 0,250,315;
ψ ba = = 0,2 0,25;
ψ ba = 0,40,63;
ψ ba = 0,10,2 ( ψ ba 45 HRC).
ψ ba , .
ψ bd = b 2 / d 1
ψ bd = 0,5 × ψ ba (u 1).
, .
, .
( ) ( , ) .
2135487.
5 6.
: [17].