Homebrew PCBs

Arnie,
      The spindle speed on the Taig is toooo slow. You need 16,000 
rpms to mill circuit boards at 6" per minute using a two fluted 
mechanical etching bit. What is your top speed  10,000 ?
                                           John 




--- In Homebrew_PCBs@yahoogroups.com, "acfrankenberger" 
<acfrankenberger@y...> wrote:
> I have a Taig mill I was hoping to use to mill out (trace 
isolation) 
> and drill some circuit boards. Would phenolic based boards make the 
> milling process less demanding on the tool bits?  Could I avoid 
dust 
> collection?
> 
> Does anyone have a source for phenolic copper clad boards?
> 
> Thank you,
> Arnie