.


:




:

































 

 

 

 





 

U U
( ) <<HRC 56 2.5 - 5.0 6.3
>HRC 56 2.0 4.0 5.6
<<HRC 56 3.15 5.0 8.0
>HRC 56 2.5 5.0 6.3
<<HRC 56 4.0 6.3 9.0
>HRC 56 3.15 5.0 8.0
<<HB 350 4.0 8.0 12.5
<<HB 350 1.0 4.0 6.3
>HRC 40 1.0 4.0 5.0
- 10 50 80,0
- 1,5 4,0 10,0
- 2,0 4,0 8,0
. 2:  
10 - 3,0 9,0 -
11 - 7,0 16,0 -
12 - 8,0 30,0 -
13 - 20 - 500 -
. 2:  
14 - 80 300 400,0
15 Z3 = Z4 70 200 -
Z3 < Z4 -
16 Z3 = Z4 70 200 -
Z3 > Z4 24 200 -

 

, . , . , . , , , . , . , - .

 

 

 

.

[4]. "" ( ) . , 10 % ( 19 %), :

 

 

 
 


(12)

 

 

P , ; Tmax - ( ), ; n , /; ψn (. .6). (12) , .

 

 

(. .6), .

 

 

 

 

.15.4.34.21.

: Ft = 3,0 ; V = 1,0 /; D = 500 ;

= 1,25 π; = 800 ; = 600 .

 

 

 

 


:

 

. (5):

 

.

(4)

 

 

. (6):

 

 

. (. 6) (7), . 4

 

 

. (3):

 

 

 

. (9):

 

 

. (10), . 5 ( NRC < 56), . 6

 

 

. (8):

 

 
 

 


 

, . 16 . . 6. :

490 L 2 1 = 3,0 , n1 =2840,

4100 S 4 2 -=3,0 , n2 =1435.

, .

 

c 3,0 .

 





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