Re: [CAD_CAM_EDM_DRO] Re: Newbie Questions

I've red somewhere about self-breaking ballscrews which is a combination
with a normal screw, will try to get more info.
Alex

----- Original Message -----
From: RichD <cmsteam@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, October 30, 2002 10:47 PM
Subject: Re: [CAD_CAM_EDM_DRO] Re: Newbie Questions


> CS,
> There are many references on the web:
> http://www.physics.purdue.edu/demo/1K/pronybrake.html
> http://cipco.apogee.net/mnd/msiuapb.htm
> RichD
>
> "C.S. Mo" wrote:
> >
> > What is a "prony brake"? I have a pair of servo motors but they do not
> > seem to provide any resistance with the power off. I want to be able to
> > use the machine for manual machining as well as CNC...
> >
> > --C.S.
>
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