7applications – Lenze DSD User Manual
Page 126

7
Applications
7.9
Hoist drive with counterweight
126
Lenze · Drive Solution Designer · Manual · DMS 4.2 EN · 12/2013 · TD23
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Torque of the application
[7-102] Equation 9: Torque of the application
Required speed
For the determination of the required speed n
Cor
of the driving pulley, apart from the previously
mentioned parameters the required lifting speed v has to be specified.
[7-103] Equation 10: Speed of the driving pulley
The speed of the counterweight v
Ctw
is calculated as follows:
[7-104] Equation 11: Speed of the counterweight
Tip!
Further equations to complete the calculations required for an application can be found in
the chapter "
".
M
App
M
sds
J
sum
α M
th
+
⋅
+
=
n
60
2 π
⋅
----------- v
60
------
N
L
2000
⋅
d
Cor
------------------------
⋅
⋅
=
v
Ctw
N
L
N
Ctw
------------
v
⋅
=