Re: [CAD_CAM_EDM_DRO] Low cost torque amplifier

On Tuesday 25 March 2003 17:22, 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 use Servo Dynamincs, but they're more than $300. You might check out Copley,
but I'll bet they're priced similarly. What you really need is a G310, but I
don't think Mariss has finished inventing it yet ;) .

Matt