[10]
, (*)
, , ͷ;
= 2040 .
(*) ͷ, ( ).
[4]
.
[4]
.
[4]:
,
,
t .
t [4] :
t = 2 ,
t = 2 .
:
,
8338-75 (d , D , , r ):
203: d = 25 , D = 52 , B = 15 ,
r = 1,5 .
205: d = 30 , D = 62 , B = 16 , r = 1,5 .
[4]
,
.
[4]
.
d2 [4]
, .
5.
45 ( 1050-88) 235 - 269HB ( - ), .
5.1
1) : B. .
2) . Fn, , , . Fn 2.
, :
Fn=Ft,/cos(α)=2.T2.103/d2.cos(20)˚= 1506
a = 20.
l =b2+2.10+B= 47+20+16= 83
3) , :
,
2.
1 =2= 124,7 ͷ,
6.
,
.
, , d = 35 .
5.2
1) : B. .
|
|
2) - . Fn, , , . Fn 1.
, :
1 ×, d1 , a = 20.
3) , :
. , , -, -.