. . , . , : , .. . , [τ].
. , . .
, :
, , .. =;
[τ] .
5, 6, 45 : [τ]=2030 /²; [τ]=1020 /².
, : 25, 26, 28, 30, 32, 34, 36, 38, 40, 42, 45, 48, 50, 53, 56, 60, 63, 67, 71, 75, 80, 85, 90, 100, 105, 110, 120, 125, 130, 140, 150, 160, 170, 180, 190, 200.
( ) , .
, .
1.1. . =189,5 ͷ. b2=36 .
. 1. 45. , , [τ]=25 /².
2. = [ (1.1)]
d=34.
3. .
d=34 . d=40 . dk=45, . r=1,5 . l1 =50 , l2 = l3 =40 .
, . .
|
|
. , .
, , , - - . , , - (. 1.6,), , , - - (. 1.5,).
(. 1.6,) 0,30,4 (. 1.6,).
, . , , (. 1.6,). .
. 1.6