Re: [CAD_CAM_EDM_DRO] Low cost torque amplifier

Bob Simon wrote:

>I'm looking for a low cost brush type PWM torque amplifier for my EMC
>project lathe. The amp needs to run 8A continuous with ~16A peak. The catch
>is I have to run a 170 volt DC bus for this particular motor. Amp can be
>torque(current)mode only. I don't need a velocity integrator as I don't
>plan on running a tach. Best price I've found so far is about 300 clams.
>Have any of you seen anything cheaper?
>
>

I'm not sure what the small quantity prices are at Copley Controls, but
they have
some nice units that seem to be pretty low cost.

Jon