06.2005 Engineering Information
Siemens AG 6SE7087-6QX70 (Version AE)
SIMOVERT MASTERDRIVES Compendium Motion Control 11-5
♦ Acceleration torque and deceleration torque for the load [Nm]
MJ
b load load b load,v ,v
=⋅α
♦ Load torque at the drive wheel/pinion [Nm]
MM M
load b v load W
mech
Sign M M
b v load W
=+⋅
+
()
,
()
,
1
η
η
mech
Mech. efficiency of the travel drive
M
b v load,
has to be applied with the correct sign (accelerate = +,
decelerate = - )
If the deceleration is equal to the acceleration, the load torque is at a
maximum during the acceleration phase.
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