Re: [CAD_CAM_EDM_DRO] PCB Routing - Dremel

the johnson motor used in a dustbuster and simular, if you run it on 6 volts
dc it has plenty of power and rpm to drive a small spindle. cul brian f.

----- Original Message -----
From: "Bill Kichman" <billkichman@...>
To: <CAD_CAM_EDM_DRO@yahoogroups.com>
Sent: Wednesday, February 11, 2004 10:54 AM
Subject: RE: [CAD_CAM_EDM_DRO] PCB Routing - Dremel


> You might be able to try what I am currently assembling. I also need an
> engraving spindle, and have an old cordless drill which has seen better
> days. It was a 12v style with keyless chuck, it only had a bad battery.
If
> you remove the shaft, at least on mine, it has fairly substantial size,
and
> is set in decent ball bearings. I will obtain a larger bearing for the
> business end (14mm ID) and construct some bearing carriers, install it on
my
> mill's head on an aluminum plate, and direct drive the shaft using the
same
> motor, about 12,000 rpm, directly in line, connected via a rubber hose.
> There is a similar design on somebody's web site I once saw, can't find
the
> link though. You could even step it down in speed with the enclosed gear
> train, but that isn't necessary for engraving. Hope this helps.
>
> R. William Kichman, P.E.
> Kichman Engineering Associates
> 103 Old Furnace Road
> Cornwall, PA 17016-0643
> tel/fax 717/270-0714
>
> -----Original Message-----
> From: Brian [mailto:ka1bbg@...]
> Sent: Tuesday, February 10, 2004 11:00 PM
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> Subject: Re: [CAD_CAM_EDM_DRO] PCB Routing - Dremel
>
>
> yea right, i have 3 and 2 are bushings of bronze! also i have a dental
drill
> motor from the old style cable drill, rated at 15000 rpm, it has bronze
> bushings too. all my dremmels have too much wabble for engraving anything.
> cul brian f.
> ----- Original Message -----
> From: <JanRwl@...>
> To: <CAD_CAM_EDM_DRO@yahoogroups.com>
> Sent: Tuesday, February 10, 2004 10:41 PM
> Subject: Re: [CAD_CAM_EDM_DRO] PCB Routing - Dremel
>
>
> > In a message dated 2/10/2004 7:51:06 AM Central Standard Time,
> > johnatl@... writes:
> > Dremel tools have ball bearings on the shaft which will withstand axial
> > loads.
> > In which galaxy?
> >
> >
> > [Non-text portions of this message have been removed]
> >
> >
> >
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> OFF Topic POSTS: General Machining
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aol://5863:126/rec.crafts.metalworking or go thru Google.com to reach it if
you have trouble.
> http://www.metalworking.com/news_servers.html
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> http://groups.yahoo.com/group/jobshophomeshop I consider this to be a
sister site to the CCED group, as many of the same members are there, for OT
subjects, that are not allowed on the CCED list.
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> NOTICE: ALL POSTINGS TO THIS GROUP BECOME PUBLIC DOMAIN BY POSTING THEM.
DON'T POST IF YOU CAN NOT ACCEPT THIS.....NO EXCEPTIONS........
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