Re: [CAD_CAM_EDM_DRO] Is Single Phase Adequate?

Try
http://www.dealerselectric.com/
as this is where I got my package deal and don't regret it for a second:})

At 12:19 PM 10/25/02 -0400, you wrote:

>Mark;
>
>Questions such as yours are what this list exists for. We need to remind
>ourselves of this from time to time.
>
>You will only need three phase for the spindle. A VFD (variable frequency
>drive) is probably your best choice. It will give you three phase from
>single phase and also allow you to adjust spindle speed with a knob, or even
>from the cnc. You can find them now for as little as $300 new. Art
>Eckstein got a nice motor and matched VFD for about $350 as new surplus. I
>think more are available (still looking for the bookmark).
>
>Doug
>
>
>----- Original Message -----
>From: "natchamp_87" <mark@...>
>
> > Sorry if this is a stupid question. I am planning out my CNC mill
> > project and haven't bought a mill yet, but am leaning towards a BP or
> > similar 9/42. My question is: am I being realistic or not in
> > thinking single phase will be adequate for my mill? I know about the
> > single to three phase converters but want to avoid that if possible.
> > Am I also correct in that my CNC motors, whether servo or steppers,
> > will not require 3 phase because I will have a power supply
> > converting to DC for them? Sorry again if these are dumb questions.

Bubba

OLDER THAN DIRT
Country Bubba
(Actually the inventor of Country and Bubba)

axtein@...
LaGrange, GA

http://ns1.dicomm.net/~axtein/dro


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