, 1600800400 30 .
= V∙n, (5.1)
V- , ;
n- ;
= 0,512∙30 = 30,72 3\.
.. , 75%,
= 30,72/0,75 = 41 /
.. ,
= 41/2 = 20 /
V = 1∙t/60
t 1 .
1 /
1 = ∙ = 20∙1350 = 27000 /
V = 27000∙1\60 = 450
, :
V= V /p, (5.2)
- , /3, = 1350 /3
V= 450/1350 = 0,33 3.
=0,8-0,28 3/,V1=0,04/0.8=0.05 3/.
,
V=()*L, (5.3)
L=5. (5.4)
=
L=5·0,23=1.15.
5.1-
303/ | 103/ | |
, | 0.3 | 0.18 |
, | 2.7 | 1.7 |
, | 0.6 | 0.4 |
, | 0.7 | 0.4 |
.
:
= n(P1+P2), , (5.5)
- , =2;
n- , n=1;
P1-, ;
2-, .
, ,
1=FJ, (5.6)
F- , , ;
J- , /.
1 =692·0,03=21 .
F
F=mmgk1, , (5.7)
m- , m=0.2;
K1- , , k1=1.8;
m- .
F =0,2·196·9,81·1,8=692
J= /, (5.9)
L- , ;
t- , .
J= /,
, F J, , 1.
|
|
, ,
2= F2J, (5.10)
F2-, , ;
J- , /.
2=54·0,94=510
, F2
F2=2mmgcosj, (5.11)
j- , j=45.
F2=2·0,2·9,81·196·0,7071=543
:
J. , /, (5.12)
R,R - , , ;
w- , w=pn/30.
J. /, (5.13)
F2 J, 2.
1 2 .
=2·1(21·510)=1062, 2 .
Motor, 5.1
.
5.
5.4
, , , . , , .
. , , , .
.
()
, (5.22)
, 2.
[ ] , ;
Dq , .
, q (). :
= , (5.23)
- , , . , q , , .
=0,3 - ,
=0,31 , (5.24)
=0,56 . (5.25)
=
10 .