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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Re: cnc pcb engraver
2003-06-29 by aussiedude36
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