(. 15) , 30 . , , , , ( 306).
, (3), . :
d = 30 ;
D = 72 ;
B = 19 ;
r = 2 .
.15.
(, , ). , , . , , , , . . 3325 , k6 js6. k6, (. .11). 7. 520, Ø30k6 Ø727 25347-82 . . 16 17.
16
, | ES (es), | EI (ei), | Dm max (dm max), | Dm min (dm min), |
d = 30 | - 10 | 30,000 | 29,990 | |
D = 72 | - 13 | 72,000 | 71,987 |
17
, | ES (es), | EI (ei), | Dmax (dmax), | Dmin (dmin), |
d = 30 | + 15 | + 2 | 30,015 | 30,002 |
D = 72 | + 30 | 72,030 | 72,000 |
().
dm:
Nmax = dmax dm min = 30,015 29,990 = 0,025 = 25 ;
Nmin = dmin dm max = 30,002 30,000 = 0,002 = 2 ;
Ncp = (Nmax + Nmin)/ 2 = (25 + 2)/2 = 13,5 .
.16. Ø30L0/k6
Dm:
Smax = Dmax Dm min = 72,030 71,987 = 0,043 = 43 ;
Smin = Dmin Dm max = 72,000 72,000 = 0,000 ;
Scp = (Smax + Smin)/ 2 = (43 + 0)/2 = 21,5 ;
|
|
TS = ITDm + ITD = 30 + 13 = 43 .
, . .
Ncp = 13,5 ;
N = 0,8513,5 = 11,5 = 0,0115 ;
d0 = dm + (Dm dm)/ 4 = 30,000 + (72,000 30,000)/4 = 40,5 ;
.17. Ø727/l0
Δd1 = Ndm / d0 = 0,011530/40,5 = 0,0085 = 8,5 .
24810 306 :
Gr min = 5 ;
Gr m = 20 .
306
Gr cp = (Gr min + Gr m)/2 = (5 + 20)/2 = 12,5 .
G = Gr cp Δd1 = 12,5 8,5 = 4 .
, Ø30L0/k6 .
:
Ø30L0/k6, L0 ; k6 .
Ø727/l0, 7 ; l0 .
20226-82 . . .
d = 30 = 36 = 39 . = 36 Ra20.
D = 72 Da = 65 .
, , . R , 18.
3325 ( 3) ( 18 ):
R 1,25;
R 1,25;
R 2,5.
18
R
,
80 | 80...500 | ||
R, | |||
1,25 | 2,5 | ||
6, 5 | 0,63 | 1,25 | |
0,32 | 0,63 | ||
1,25 | 2,5 | ||
6, 5, 4 | 0,63 | 1,25 | |
2,5 | 2,5 | ||
6, 5, 4 | 1,25 | 2,5 |
, .2.2.7 , R 0,32, R 0,32, R 1,25.
3325 , , .
|
|
4 3325 :
3,5 ;
3,5 ;
7,5 ;
7,5 .
, , , , 24643-81 . . . , . 3 3 , 6 6 .
. 5 3325 :
21 ;
30 .
20 .
, , , θmax , . 7 3325 1 = 10 ( ). B2 B2 /10. 306 B2 = 19 . . = 4 2 /10 = 419/10 = 7,6 ; 24643 = 6 . = 8 B2 /10 = 15,2 ; = 12 .
, , , , .
.18. , |
.19.
,