I don't agree with the requirement of a 16,000 RPM spindle. I am using a large woodworking drill press set at about 2000 RPM and have no problem at all drilling holes in circuit boards. It would be better to have the higher RPM, but there is no reason at all you cannot use a lower speed spindle.
Chris
--- In Homebrew_PCBs@yahoogroups.com, Leon Heller <leon355@...> wrote:
>
> On 15/06/2010 21:20, Steve wrote:
> > Micromark has their "jewelers-quality" drill presses on sale. This one
> > is the adjustable speed
> > <http://www.micromark.com/MICROLUX-BENCHTOP-VARIABLE-SPEED-MINI-HOBBY-DRILL-PRESS,8283.html>
> > and here is the standard
> > <http://www.micromark.com/MICROLUX-3-SPEED-MINI-DRILL-PRESS,7797.html>
> > model. Even at a substantially reduced sale price, they still seem
> > pricey to me.
> >
> > Any thoughts as to how the Micromark products might compare to other
> > methods that have been discussed for drilling PCB's?
>
> They aren't fast enough. You need at least 16,000 rpm for a PCB drill.
>
> Leon
> --
> Leon Heller
> G1HSM
>