Lenze IE3 g500-B, Руководство по планированию проекта

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Gearbox efficiency
Gearboxes Gearbox efficiency
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)
Additional radial force factor f
Z
≥ 17 teeth: 1.0 ≥ 20 teeth: 1.0
With belt tightener: 2.0 –
2.5 1.5 – 2.0
< 17 teeth: 1.15 < 20 teeth: 1.25
Without belt tightener: 2.5
– 3.0
< 13 teeth: 1.4
Calculation 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 Effective diameter of transmission element in mm
f
W
Additional load factor
4
Radial forces and axial forces
^
49
Calculate drive power
Required Drive power kW
´
=
´ ´ ´ ´ h
L L,max
1
L H TU g
M n
P
9549 k k k
k
L
Correction factor - operating mode k
TU
Correction factor - ambient temperature
k
H
Correction factor - site altitude η
G
Gearbox efficiency
Intensity and load class for mains operation
Calculation
Intensity
F
I
+ + +
=
+ +
L
M B Z
2
I
M B Z
J
J J J
i
F
J J J
i Ratio of gearbox J
B
Moment of inertia of brake
J
L
Load moment of inertia J
Z
Additional moment of inertia (handwheel, 2nd shaft end ...)
J
M
Motor moment of inertia
Intensity Load type Load class
F
I
≤ 1.25
Smooth operation, small or light jolts I
1.25 < F
I
≤ 4
Uneven operation, average jolts II
F
I
> 4
Uneven operation, severe jolts and/or alternating load III
Intensity and load class for inverter operation
Calculation
Intensity
=
L,max
I
L
M
M
M
For alternating load, select load
class III!
Intensity Load type Load class
M
I
≤ 1.5
Smooth operation, small or light jolts I
1.5 < M
I
≤ 2
Uneven operation, average jolts II
2 < M
I
≤ 2.5
Uneven operation, severe jolts and/or alternating load III
Information on project planning
Drive dimensioning
29