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Re: cnc pcb engraver

2003-06-29 by aussiedude36

Hi, I thought I would trhrow in my 2 cents worth in the hope it may 
save someone years of grief!!   I regularly engrave and drill my own 
boards using a modified techno eisel machine.  I ripped out the old 
electronics and replaced the drivers with gecko micro steppers and 
use the deskcnc serial board and software. The thing is amazing!! 
however...... it was not always so. Over the last 8 years I tried on 
many occasions to utilize various options presented at the time. The 
biggest things I found was 1. it takes forever, 2. get the right 
bits, 3. a dremel works fine (35,000 rpm is good enough). 4. make it 
as smooth as possible (hence the geckos)  5. Use a "foot" so that the 
bit cannot dig in and you can limit the depth.

I bought the dremel router foot and use that, it has an easy 
adjustment and works great.  The bits I get from north Bay Technical 
(http://www.northbaytechnical.com ) Very helpful and friendly.

Here is a link ytp a guy who has spent a lot of tome trying to build 
his own with what looks like pretty good results. However I can tell 
you he has acess to a Haas CNC and still it has taken him a fair 
amount of time.....  
http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=2541076838

Hope some of it helps.

David

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