( )
:
- ;
- , ;
- ( ) , ;
- , , :
1.
Ϭ ≤ [ϭ] = ϭ / [n] τ ≤ [τ] = τ/[n], (1)
ϭ τ ; [ϭ] [τ] ; ϭ τ ; [n] .
2. n [n]
n= ϭ /ϭ ≥ [n] n= τ /τ ≥ [τ]. (2)
, , 5, , , [n] = 10.
, , .
. 1.
Ϭ..= /W= /0,1D3 (3)
, ∙;
W=0,1 D3- , 3
= /4∙(-/2) (4)
( ) :
Ϭ..= ∙ 
/0,4d 3 (5)
(..1) :
τ. = /W. = /0,2d 3, (6)
W. = 0,2d 3- .
:
- 4-
Ϭ = 
(7)
-
Ϭ = 0,375 Ϭ. + 0,625 
(8)
. (..1),
τ = /0,0706 d13 (9)
(. 2),
τ = 
(10)
.2. :
- ;
|
|
|
-
( 2) . 1-1 :
Ϭ = 
τ = 
(11)
1= 
, W= 
, W= ƞ 
,
ƞ , 0,25- 0,30 [1].
(7) (8) .
11-11 ,
τ = 
=1/ ƞ ∙ 
(12)
(1) (2).
ϭ .1 [1-3,10].
1.
ϭ: τ=(0,6-0,7) ϭ.
1. 1400. (. .1), : D=0,85; L=1,4; A=2,15; d=0,6; l=0,75; d1=0,42. =8000. =450∙. =1,0 . - 15.
(4)
= 
=3300∙=3,3∙
(3)
Ϭ. = 
= 53,73 .
(5)
Ϭ. = 
= 69444 = 69,44 .
(6)
τ. = 
= 10417 = 10,42 .
, (7)
Ϭ = 
=71,75.
, (9)
τ= 
= 86032 =86,03 .
(2), .1 ϭ=700 τ= 0,7∙700=490. :
n=700/57,73=13,03,
n=700/71,75=9,76,
n=490/86,03=5,70.
[n]=5, .. . , .
