blob: 5e199bc2d1bdd4af9725cd6b905aa3513bb7525f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
clc
//Example 18.2
//Power transmission by spur gear
phi=20
m=8
b=90
N=600
Np=16
So_p=83e6
y_p=0.094
G=4
strength_p=So_p*y_p
Ng=Np*G
So_g=103e6
y_g=0.135
strength_g=So_g*y_g
if strength_p < strength_g
printf('Pinion is weaker\n\n')
else
printf('Gear is weaker\n\n')
end
V=((2*%pi*N)/60)*((Np*m)/(2*1000))
printf('Pitch line velocity is %0.3f m/s\n\n',V)
S_allowable = So_p* (3/(3+V))
printf('Allowable stress is %0.2f MN/m^2\n\n',S_allowable*1e-6)
F=(S_allowable*b*1e-3*y_p*m*%pi)/1e6
printf('Force that can be transmitted is %0.3f kN\n\n',F)
P=F*V
printf('Power that can be transmitted is %0.3f kW\n\n',P)
//End of programme
|
