Dears,

nowadays most of vibratory feeders or screens use vibratory unbalanced motor as driver. these motors include unbalanced mass and include base plate to mount on exciting system.

I woulk like to know what is the resistance or its better to say torque on the shaft motor which consume power?

I thought that torque needed to rotate unbalance mass consume power, but I see that for various %of unbalance mass the motor amper is constant!

Meanwhile I have seen in some catalogues of suppliers of unbalanced motor that they have offered for a constant working moment and centrifugal force two motors with different power! ■