25, 35 ϭ=500-550 .
, ( Rmax) , (.4) . Q,
Q = , (16)
d ; ; f , .2
. 4. () () ()
ϭ Q ϭ Rmax (. .4).
ϭƩ = ϭ+ ϭ (17)
:
Ϭ.= /W= 6∙Q∙/ b∙ , (18)
( Q) ; b ; h1 .
ϭ = Rmax /S, (19)
S .
(1) (2), [n]=5.
2
0,004 0,008 | |
0,01 0,08 | |
0,001 0,005 | |
0,002 0,005 |
3. 3200 (. .4,), : =2,645; b= 0,8; = 1,955; h1= 0,69. 25 ϭ=550 . S = 0,337 2. d = 620 . . Rmax = 15,5 .
(16), .2
f =0,0035.
Q = = 0,0064 .
(18) :
Ϭ =6∙0,0064∙1,955/ 0,8∙0,692= 0,2 .
(19)
Ϭ = 15,5/0,337 = 46,0 .
(17)
ϭƩ = 0,2+46,0= 46,2 .
(2)
n = 550/46,2 =11,9.
[n]=5. , .
- , . () ,
|
|
= /f, / (20)
; f . , 1.
, / [1-4]:
400 700
600 1000
700 1300
800 1600
4000 7000
4500 8000
5500 10000
, :
f = f +f+f+f.+f+fi, (21)
f, f , f, f., f, fi , , , (, , ..).