[Noisebridge-discuss] Drills and Dremels

[Brian Sullivan]

Just ordered a dremel diamond bit which should be perfect for the project.
Quick research suggests drilling it submersed in a little bin of water to
control heat and prevent cracking.
http://www.amazon.com/gp/product/B00068OUMK/ref=oh_details_o00_s00_i00

It seems like Noisebridge only has one Dremel, but the variable speed is
shot so I'll start asking around amongst friends or just buy one myself.

Thanks for the help!
brian


On Sun, Jun 24, 2012 at 10:24 PM, John Magolske <listmail at b79.net> wrote:

> * d p fenn <weasel at meer.net> [120624 21:50]:
> > Le Jun 24, 2012 à 4:03 PM, Brian Sullivan a écrit :
> > > I need to put a small diameter hole (paperclip-ish) through the thick
> > > shell without splintering / breaking for a necklace. Modern technology
> > > makes this much easier ;)
> > >
> >
> > pcb drill bits work pretty well on ceramic (even glazed) so they might
> > work ok on shells too. they're usually (when in good shape :-) sharp
> > enough that they cut w/o splintering.
>
> That's right...forgot about PCB bits. They would be perfect for this
> application. Though do be careful to avoid placing any side-load
> forces on these bits, IIRC they are tungsten carbide & rather brittle.
>
> Do we have a PCB drill press (small, high-speed)? Or PCB drill bits?
> Not sure if I'm confusing what NB has with another time & place, but
> I seem to recall seeing such things at the space (in the electronics
> area, not in the shop).
>
> John
>
> --
> John Magolske
> http://B79.net/contact
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