6.1 .
6.2 ( ).
Ft1
Fa1 Fr1
d1=30 8338-75
-
7606 333-79
d=30; D=72 ; =19 ; =63000 ; =0,319; =1,882
SA <SB FA=Fa1=4552 >SB - SA
FaA=SA=128H
FaB=SA + FA=128 + 4552=4680H
,
=1; =0
:
V=1
δ=1,0
125
=1,05
,
=0,4; =2,03
=(0,4 1 1378 + 2,03 4680) 1 1,05=10052
.
6.3 (. 2.)
Ft2
Fa2 Fr2
d2=65 8338-75
-
7513 333-79
d=65; D=120 ; =33 ; =119000 ; =0,369; =1,624
SC <SD FC=Fa2=711 >SB - SA
FaD=SC=700H
FaC=SC + FA=711 + 700=1411H
C
,
=0,4; =1,46
:
=(0,4 1 2288 + 1,46 1411) 1 1,05=3124
D
,
=1; =0
D=1 1 2962 1,05=3110
.
.
7.1 - 45; - ,
7.2 , ,
=D 80=1895 80=151.6 ͷ
=D 80=2276 80=182.1 ͷ
==237 ͷ
=2=1092.5 ͷ
.
d3=70 ,
;
45
:
(d=70 ; b=16 ; t=10
.
|
|
, .
8.1
, ,
10÷15.
V=0,26/
. 8.10 -100
20799-75.
8.2 , . 1.
. ; . . . . .