Lenze M850 Series - Page 27

Mean speed ulisaon
Daily operang me Mean speed ulisaon
relang to the load speed n
L
100 % 80 % 60 % 50 % 25 %
Correcon factor
k
N
k
N
k
N
k
N
k
N
1.0 h 1.29 1.33 1.38 1.42 1.55
2.0 h 1.15 1.20 1.25 1.29 1.42
3.0 h 1.08 1.12 1.17 1.21 1.34
4.0 h 1.02 1.06 1.12 1.15 1.29
5.5 h 0.96 1.00 1.06 1.09 1.22
8.0 h 0.89 0.93 0.99 1.02 1.15
12.0 h 0.81 0.85 0.91 0.94 1.08
16.0 h 0.76 0.80 0.85 0.89 1.02
22.0 h 0.71 0.76 0.81 0.85 0.98
24.0 h 0.68 0.72 0.78 0.81 0.94
Mean speed
Operang mode S2 Operang mode S3 Operang mode S6
ED k
M
ED k
M
ED k
M
min % %]
10 0.16 15 0.15 15
1.00
30 0.50 25 0.25 25
60
1.00
40 0.40 40
90 60 0.60 60
Gearbox eciency
Gearboxes Gearbox eciency
η
c1
g500-B
2-stage 0.96
3-stage 0.95
4-stage 0.94
Determine product on the basis of the forces
Transmission element Gear wheels Sprockets Toothed belt pulleys Narrow V-belt
(depending on the
pretension)
(depending on the
pretension)
Addional radial force factor
f
Z
≥ 17 teeth: 1.0 ≥ 20 teeth: 1.0
With belt ghtener: 2.0 –
2.5
1.5 – 2.0
< 17 teeth: 1.15 < 20 teeth: 1.25
Without belt ghtener: 2.5
– 3.0
< 13 teeth: 1.4
Calculaon Check
Radial force
F
rad
N
´
= ´
L,max z
rad
M f
F 2000
dw
F
rad
≤ f
W
x F
rad,max
Axial force
F
ax
N
F
ax
≤ F
rad,max
x 0.5
dw Eecve diameter of transmission element in mm
f
W
Addional load factor
4Radial forces and axial forces ^ 62
Informaon on project planning
Drive dimensioning
27