Re: [CAD_CAM_EDM_DRO] Re: PCB Routing - Dremel

Some one posted that the spindles came no where near the posted speed. Bearing
drag alone, Is this normal or did he just get a bad one, oh have to high of
expectations..

Garry

> Hello,
>
> It's a 3 dollar motor, from surplus sources... (but mine has lasted
> well so far--about a month)
>
> Ballendo
>
> --- In CAD_CAM_EDM_DRO@yahoogroups.com, John Johnson <johnatl@m...>
> wrote: > That's a good price on the spindle. I wonder how long the
> motor will > last though? > > Regards, > JJ > > On Tuesday, Feb 10,
> 2004, at 12:49 US/Eastern, Brian wrote: > > > Hi, Paul Jones has
> carbide cutters for sale, and good spindles that > > dont > > wabble
> like a dremmel. www.cnconabudget.com cul brian f. > > ----- Original
> Message ----- > > From: "John Johnson" <johnatl@m...> > > To:
> <CAD_CAM_EDM_DRO@yahoogroups.com> > > Sent: Tuesday, February 10, 2004
> 8:49 AM > > Subject: Re: [CAD_CAM_EDM_DRO] PCB Routing - Dremel > > >
> > > >> Dremel tools have ball bearings on the shaft which will
> withstand > >> axial > >> loads. > >> > >> For machining PCBs, you
> shouldn't have to worry about axial loads. > >> Machining PCBs is much
> less load than Ol' Joe sharpening his lawnmower > >> blade. > >> > >>
> If you can handle the tool before buying it, check for side-to- side >
> >> play, as well as up-and-down play in the spindle. You will probably
> > >> find the Dremel tools are excellent in this regard. If you're >
> >> considering a Chinese import, however, I would check this
> carefully. > >> > >> One other note, the Moto-tool with the digital
> speed control sounds > >> like it has feedback to maintain a certain
> speed, but if you read the > >> manual, it says the speed will vary
> with the incoming voltage. > >> > >> What kind of bits are you using
> to cut the traces? I recently broke my > >> 0.010" end mill (it still
> works for PCBs though :-)) and am looking > >> for > >> a replacement.
> I'm considering a 1/8" 60 deg cone shaped single flute > >> carbide
> bit, and wondering if it will work. > >> > >> FYI, www.mscdirect.com
> has the aforementioned bit, as well as PCB > >> drills with 1/8"
> shanks. > >> > >> Regards, > >> JJ > >> > >> On Tuesday, Feb 10,
> 2004, at 04:51 US/Eastern, Peter Cruickshank > >> wrote: > >> > >>>
> Hi; > >>> > >>> I recall seeing some threads regarding the choice of
> Dremel drill > >>> for PCB routing, something about one (or more) of
> the models has > >>> thrust bearing which would prolong it's life if
> you use it as a high > >>> speed Router Spindle on a Sherline Mill -
> any ideas ??? > >>> > >>> Didn't someone design a adaptor to attach a
> dremel to the sherline Z > >>> axis ?? > >>> > >>> Any help greatfully
> appreciated. > >>> > >>> CrankShaft. > >>> > >>> > >>> > >>>
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> 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.
>
> 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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