Lenze Smart Motor m300-E - Page 24

Determine product on the basis of the forces
Transmission element Gear wheels Sprockets Toothed belt pulleys Narrow V-belt
( depending on the
pr
eloading)
( depending on the
preloading)
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
r
ad
≤ f
w
x F
rad,max
Axial force
F
ax
N
F
ax
≤ F
rad,max
x 0.5
dw Eecve diame
ter of transmission element
4Radial forces and axial forces ^ 48
Calculate output torque
Calculaon
Necessary output torque
M
2
N
m
³
L,max
2
H
M
M
k
Calculate intensity
Calculaon
Intensity
F
I
+ + +
= £
+ +
L
M B Z
2
I
M B Z
J
J J J
i
F 1.25
J J J
i Rao of g
earbox J
B
Moment of inera of brake
J
L
Moment of inera of the load J
Z
Addional moment of inera (handwheel, 2nd sha end ...)
J
M
Moment of inera of motor
Determine the product on the basis of the data obtained from the selecon tables
Selecon t
able Check
Output speed n
2
rpm n
L,max
≈ n
2
Output torque M
2
Nm M
L,max
≤ M
2
Selecon t
ables ^ 50
Informaon on pr
oject planning
Drive dimensioning
24