Re: [CAD_CAM_EDM_DRO] Leadscrews, PCB router experiment

Hi Jon,

Yes, I take your point. I'm hoping for simple PCB's, designed with
"relaxed rules", and less stringent requirements. Side alignment WILL
be a problem. Then again, it can be a learning experience!

Alan KM6VV


Jon Elson wrote:

>
> Alan Marconett KM6VV wrote:
>
> > Hi Jon,
> >
> > I have a 3/8" slab of aluminum, that might have to do for my base. I
> > want to do more then drilling, I want to be able to mill traces as
> > well. I'm planing on using a dremel tool.
>
> We've gone around with this a few times. I don't think the standard
> Dremel moto-tool spindle is good enough for PC board drilling.
> The problem is that you have to hit the 'target' quite accurately, or the
> hole will cut through the side of the pad, rather than through the
> middle, leaving a complete ring of copper around the hole. I even
> have problems on my system, with the air bearing spindle motor,
> high precision ground ballscrews, encoders delivering resolution
> of .00005" (yes that's 50 uInches) and the physical stability of a
> Bridgeport. If you mill the board, then the holes should at least
> line up with the copper, but you still have to deal with alignment on
> the other side, if you do 2-sided boards.
>
> Jon
>
> Addresses:
> FAQ: http://www.ktmarketing.com/faq.html
> FILES: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO/files/
>
> Post messages: CAD_CAM_EDM_DRO@yahoogroups.com
> Subscribe: CAD_CAM_EDM_DRO-subscribe@yahoogroups.com
> Unsubscribe: CAD_CAM_EDM_DRO-unsubscribe@yahoogroups.com
> List owner: CAD_CAM_EDM_DRO-owner@yahoogroups.com, wanliker@...
> Moderator: jmelson@... timg@... [Moderator]
> URL to this page: http://groups.yahoo.com/group/CAD_CAM_EDM_DRO
> bill,
> List Manager
>
>
>
> Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/