Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

----- Original Message -----
From: "Adam Bradley" <adam_j_bradley@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, December 01, 2003 3:11 AM
Subject: [Homebrew_PCBs] Q: Drilling PCBs


> Afternoon all.
>
> I've made a couple of attempts at etching/drilling and have had a few
> tracks lift during drilling.
>
> I've always lacquered before drilling and I'm beginning to think this
> should be left until after I drill.
>
> Any other issues that could be causing this? I suppose the key is
> super sharp bits. PS: I'm using a 20k RPM 'dremel' like tool and non-
> tc drill bits (yet). Have yet to find a source for them in Australia.

I only have this problem if the bits aren't sharp. It's best to use TC, I
buy reground ones as they are a lot cheaper. I tend to break them long
before they become dull. 8-)

Leon
--
Leon Heller, G1HSM
Email: aqzf13@...
http://www.geocities.com/leon_heller