Re: [CAD_CAM_EDM_DRO]Screw drive

Actually it can be made much smaller by making outside screws of smaller
diameter
then drive screw.
Alex

----- Original Message -----
From: Tony Jeffree <tony@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Thursday, March 27, 2003 11:36 AM
Subject: Re: [CAD_CAM_EDM_DRO]Screw drive


> At 10:56 27/03/2003 -0500, you wrote:
> >Folks!
> >Yesterday I stumbled upon "Model Engineer's Workshop" magazine.
> >Besides other interesting staff there was an article on making your own
> >screw drive as a replacement for a ball screw.
> >I'm amazed at how easy and inexpensive is to make this kind of drive -
> >basically its an arrangment of three short screws, belonging to a nut,
> >around the drive screw. One short screw can be tightened to adjust
> >the backlash.
> >It looks like anyone can make this kind of drive in a matter of hours.
> >Cheap too.
> >Alex
>
> Yes - that looked like a neat idea. However, the downside is that they
take
> up *a lot* more space than the equivalent ball screw.
>
>
> Regards,
> Tony
>
>
>
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