Re: One power supply or 3?

I'm using one power supply putting out 62 volts DC and capable of 15
amps with 3 Gecko 210's and 550 in-oz steppers and I haven't seen the
amp meter go beyond 2 amps yet.

Sorry, don't know the tech reason.

--- In CAD_CAM_EDM_DRO@y..., "Marty Escarcega" <escarcega@h...> wrote:
> Looking for a bit of clarification. Some of you know I'm beginning
> the conversion of a Bridgeport Series I CNC machine to PC based
> control operation.
>
> I'm going for reliability and functionality vs. high performance.
> I've decided to go with EMC and the Gecko 210's rated at 7A &
> 80VDC.
>
> I have found some nice toroidal transformers that will yield 9A at
> 44VAC effectively giving me about 62 Volts. I'm planning on
> building 3 seperate power supplies for each axis. They aren't
> terribly expensive and I estimate the entire power supply (using
> surplus parts) to run less than $100. Yet in my conversations with
> Tim G. and heard that one power supply is enough to drive all 3
> drives. I'm interested to understand the theory behind this
thought.
> (not being super techno savvy).
>
> Thanks for all the help guys. Indeed this is a valuable resource
for
> anyone contemplating such a project or looking for advice.
>
> Marty