Homebrew PCBs

On Sun, 21 Dec 2003 08:10:37 -0000, grantfair2001 <grant.fair@...> 
wrote:

> I use tinsnips. They work extremely well and leave a cleanly cut edge.
> You use then like scissors. Tin snip jaws have flat faces which move
> face-to-face. You can snip, open, push snips ahead and keep part of
> the cut PCB edge aligned with one snip face, and get a straight cut.
>
> If you take a look at tin snips, they are really a shear with handles.
>
> I also use a shear which is part of a small sheet metal brake. But the
> snips work very well, and can be had for a modest sum. I saw a pair of
> decent looking Chinese made snips recently for $10 Can. I use a pair
> of US made snips about 30 years old, and have been cutting PCB with
> them for 20 years plus. I sharpen them occasionally by cutting up some
> sandpaper.
>
> If you have snips, its easy to try this.
>
> Grant


PLEASE describe how you sharpen them by cutting up sandpaper!
i never heard of that.
Cutting sandpaper with any kind of scissors seems to me more like dulling 
them.

ST

To the warping: i cut 1mm pcb with "tinsnips" as you call it and had no 
problem with the warping
using toner tansfer. i just tried to bend it straight before cleaning.