Re: AC-servomotors

--- In CAD_CAM_EDM_DRO@yahoogroups.com, Jon Elson <elson@p...> wrote:

>
>
> bolttjza wrote:
>
> >Hi List
> >
> >I bought a couple of AC-servomotors off an auction for a
> >Bidgeport/EMC retrofit. The motor's data plate reads as follows:
> >
> >AC-Servomotor
> >0,57kW 108v 3.8A 6000 rpm
> >
> >Does anyone know where I might find resonably price drives for

these

> >motors. I would prefer drives with step and direction inputs for
> >control.
> >
> >
> You need to find out whether these are permanent magnet or
> induction motors, and what the characteristics of the encoders
> are. That will be needed to find out which servo amps are capable
> of driving this motor.
>
> Jon

I disassembled one of the motors. The Armature is lamanated and is a
permanent magnet. The motor has a resolver (sin/cos?)

Craig