Re: [CAD_CAM_EDM_DRO] Re: need some gear boxes for twin screws

Doug,

I may try two lead screws on my gantry machine to eliminate racking. I also
have some controller software that allows me to rack my machine (with two
motors on the Y axis) when I home the machine to get it square.

Bob Campbell

----- Original Message -----
From: "Doug Fortune" <pentam@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Friday, October 26, 2001 10:48 AM
Subject: Re: [CAD_CAM_EDM_DRO] Re: need some gear boxes for twin screws


> carlcnc@... wrote:
> >
> > I have considered that but need to make sure any backlash is the
> > same in both boxes. These will be driving twin screws on a gantry.
> >
> > Carl
> >
>
> I am a great fan of twin X screws in gantry designs. For all the
> complication involved, I'd suggest instead going with dual motors
> instead of a single motor driving a jackshaft.
>
> My 2 cents, because I've been there....
>
> Doug Fortune
> http://www.cncKITS.com
>
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