Determinaon of the required gearbox load capacity
Dene the required load factor at runme t
L
Runme t
L
 ≤ 10 % Take the load factor k from diagram into account
Runme t
L
 > 10 % Take intensity k
I
 from calculaon into account
Calculate intensity  
  no alternang load k
I
 = M
L,max
 / M
L
k
I
 =
 
at alternang load k
I
 = M
L,max
 / M
L
 x 1.4 k
I
 =
Load factor k
0 1 2 3 4 5 6 7 8 9 10 %
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
1.3 1.2
1.5
1.7
1.9
2.1
2.3
2.5
2.7
2.9
3.1
3.3
3.5
3.7
3.9
4.1
4.3
4.5
4.7
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
3.2
3.4
3.6
3.8
4.0
4.2
4.4
4.6
24 h 16 h 8 h
k  = 5
I
k  = 4
I
k  = 3
I
k  = 2
I
I
II
III
IV
t
L
k
Operang mode S1
Calculaon of the required drive power
  Calculaon Result Unit
Output torque M
R
 ≥ M
L
 / (k
L
 x k
H
) M
R
 = Nm
Output speed n
R
 ≥ n
L
 / k
E
n
R
 =
rpm
Drive power P
R
 ≥ M
R
 x n
R
 / 9549 p
R
 =
kW
Check geared servo motor and determine from the selecon table
  Check Selecon Unit
Drive power P
1
 ≥ P
R
p
1
 =
kW
Output torque M
2
 ≥ M
L
M
2
 = Nm
Output speed n
2,th
 ≥ n
L
n
2,th
 =
rpm
Load capacity of the geared motor c ≥ k
c ≥ k
I
c =  
Short-me maximum torque  
  no alternang load M
2,max
 ≥ M
L,max
M
2,max
 = Nm
 
at alternang load M
2,max
 x 1.5 ≥ M
L,max
M
2,max
 = Nm
Rao
  i =  
4Selecon tables ^ 62
Informaon on project planning
Drive dimensioning
28