.


:




:

































 

 

 

 





 

Ņ...3

1. 5

2. ȅ7

3. , ..8

4. Յ...11

5. Ʌ..13

6. ȅ..15

6.1. .15

6.2. .15

6.3. 腅..15

6.4. .16

6.5. , ⅅ...18

7. - Ʌ..23

E..26

27


 

. , : , , .

9 1944 . 1947 .

-205, 1947 , . 1948 , 1950 . 1951 25 15 . , . 40- -530 1958 -.

1958 -500 -503, -200. 31 1965 -205, .

-500, . 1966 , 1971 .

. 1970 -500, 1976 -5549 -5335. , . 1977 .

19 1981 -5432 -6422. 16 1983 , . 14 1989 ( -64221). 80- - -2000 .

1996 , , -5440. 11 1997 -54421. 1997 -54402 -544021, .

10 1997 ǔ ., MAN . - . - -MAN . , 60 . , , , .

- () , ,

- 30 . .


, . . , . . 1.

, , , .

, ; . , .

, , , , .

.

, 451.

Ÿ :

G=360 /2;

HRC=61;

D=13.

. , , 1.1.

 

1.1

,
() () , ,   -6.12.4/10(=58,0.28/) -2.4,5/6,5(=50,0.20/)
() () , ,   -8.16.5/12(=71, 0,8/) -5.7,5/6,5(=56, 2,4/)

 


 


 

t (.) (, - , , , , .)

 

t = ( + ) (1 + ), (2.1)

 

(), .;

, .;

α ( );

β ( ).

, . t -8.16.5/12(=71) () -5.7,5/6,5(=56) ().

t = (80 +30) (1 + )=145

 

t = (90 +25) (1 + )=173

 

.

(.) t .

 

=8/ t =8*60/(145+173)=1.51 (2.2)

 

 


,

mp .

mp = . (3.1)

 

 

ti ( -) , ./.;

( 1.2);

F , . (3975 2- ).

:

 

mp = =2.79

 

:

 

mp = =0.87

 

m ( , 0,1).

m =3,

m =1.

Ni Ni (.) ( ) , ΔZ (.) δ (%)

 

Ni = (Ni Z) . (3.2)

 

Ni = (5000 500) =5501.

 

() :

= . (3.3)

 

= =0.93,

 

= =0.87

 

, .. 0,85 1,0.

, , , , . - .

, . 2.

.

 

 

: () , , .

( ) , t - t .

= ; (4.1)

 

F , . (.. , 2002 . 2032 );

mj ( ), .;

.

 

= =12.

 

 

= , (4.2)

 

, ( 1,14÷1,19).

 

= 121.16=14.

 

, , 4.1 - [ 6 ].

4.1.

 

 

4.1.

()   5-6
  3-5
  11-13
  8-11
()   5-6
  3-5
  11-13
  8-11

 






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