Re: [CAD_CAM_EDM_DRO] Re: Bullet-Proof G201 / G210

>From: EdFanta <atex57@...>
>Reply-To: CAD_CAM_EDM_DRO@yahoogroups.com
>To: CAD_CAM_EDM_DRO@yahoogroups.com
>Subject: Re: [CAD_CAM_EDM_DRO] Re: Bullet-Proof G201 / G210
>Date: Sun, 09 Feb 2003 12:57:55 -0600
>
>
>
>"Bernard R " wrote:
> >
> > Mariss,
>
> > If you were to ever upgrade the 32xs to 200 V I would be one of your
> > first customers.
> >
> > Bernard
> >
>And I will be your second customer. So many of the CNC power supplies
>are nominally 90 Volts and the motors on those units lose a lot of RPM
>when you cut down the supply voltage. The transformers are usually
>tapped for 2:1 or 4:1 ratios which give 84 or 42 volt peaks, the mill I
>purchased had a tap for a 380 V input which gave me about 56V no load
>when hooked to 240 V. It works but it has limited my rapids. A bigger
>physical package would be fine or even a control running a separate
>heatsinked assembly. Most of us have enough room for a bigger servo or
>stepper control. Ed.
>
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