Re: [CAD_CAM_EDM_DRO] Re: Stepper motor speeds

Tim,
I presently have no $ invested in any equipment other than the mill.
Why would the servo/G320 scenario be better for me.

Marv Frankel

----- Original Message -----
From: "Tim Goldstein" <timg@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Sunday, November 03, 2002 6:20 PM
Subject: RE: [CAD_CAM_EDM_DRO] Re: Stepper motor speeds


> Sounds like I was thinking of someone else's project. Seems to me the
> sizes I have heard used successfully with a mill that size is 800+
> in/oz. I would probably want to use about an 1100 in/oz motor or bigger.
> Definitely in the range where if you don't have money invested in motors
> or drives you are likely to get by for less and get better performance
> by going with servos and Gecko G320/340 drives.
>
> Tim
> [Denver, CO]
>
>
> > -----Original Message-----
> >
> > Tim,
> > I guess it's my engineering background that makes me
> > want to plug all the components into a formula, and come out
> > with an exact answer. The mill I'm going to convert, is a
> > full size Enco, about the size of a Bridgeport, 1 1/2 HP
> > variable speed motor, 8" X 36" table, and driven by a VFD.
> > I'd rather oversize the motors, and have some torque to
> > spare, but I was just trying to save a little space on the
> > quill feed, by using a slightly smaller motor. Thanks for the
> > direction.
> >
> > Marv Frankel
> > Los Angeles
>
>
>
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