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Homebrew PCBs

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Message

Re: New CNC Project Completed

2004-07-18 by Dave Mucha

--- In Homebrew_PCBs@yahoogroups.com, "wwashington2k" 
<wwashington@a...> wrote:
> I just finished my CNC table which I plan to use to make PCBs. I 
> have a Dremel tool mounted which I'd like to use to route the PCBs. 
> Can anyone tell me the best bit to use and recommend a feedrate? 
> Also, what should the spindle speed be set to (1-10)?
> 
> I've created a photo album called ww2k and uploaded a few pictures. 
> The CNC table is make from scrap metal and roller skate bearings.
> 
> Thanks,
> ww2k

thinkandtink.com has bits, but be warned, they are kinda pricey at 
almost $9.00 each.

they last longer if you can set the depth to just below the copper 
and as the copper starts to burr (indicating a dull edge) you can set 
the depth deeper and get a little more life from the tool.

My machine has 25,000 RPM as the top speed and uses that for all 
drills up to 1/16th.

I don't have the pointed tool speed on this computer, but can let you 
know that setting tomarrow.

Dave

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