Homebrew PCBs

That's also what I have been using. I am not dissatisfied with them; just not completely satisfied with my technique! :)

One of these days I'd like to work up a CNC drill ...

--- In Homebrew_PCBs@yahoogroups.com, Alessio Sangalli <alesan@...> wrote:
>
> On 04/09/2010 01:01 PM, James wrote:
> 
> > I don't actually know the RPM of my drill, I used a nice Maxon
> > precision DC motor which is rated 11K RPM under load at 24V, and I
> > run it around 32V with very light load, it's nice and smooth and
> > turns fast. Whatever the case, it drills a nice hole with carbide
> > bits, and the only one I've broken since building this is a 0.020"
> > when my finger twitched while I was holding down the PCB.
> 
> You know, I am pretty satisfied with:
> http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=94606
> 
> I use those cheap, "regular" bits with a battery black&decker drill. 
> Granted, I try to do SMD as much as possible, so I do not normally have 
> many holes to do... but the fact that I can start "slow" with the drill 
> eases the accuracy of the hole and, as those bits are relatively 
> "elastic" I've never broke one. So far the bits hold sharpness decently.
> 
> bye
> as
>