Re: PCB Routing - Dremel

Hi JJ;

Thanx for your feedback.

I have not started routing yet, the last time I created PCBs was
with ferric Chloride about 20 years ago, but now I have the need and
don't want to play with that stuff again !!.

Cheers

PeterC

--- In CAD_CAM_EDM_DRO@yahoogroups.com, John Johnson <johnatl@m...>
wrote:

> 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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