I've switched to using small cutting disks from grinders onto my miter saw.
Thin cutting disks do not wear out on FR4, nothing substantial anyways.
Sheers don't generate dust, but I would expect the blade to dull.
Robert
:)
> -----Message d'origine-----
> De : Homebrew_PCBs@yahoogroups.com
> [mailto:Homebrew_PCBs@yahoogroups.com] De la part de William Kroyer
> Envoyé : avril 30 2006 12:33
> À : Homebrew_PCBs@yahoogroups.com
> Objet : [Homebrew_PCBs] Cutting FR4
>
>
> This may seem like a silly and basic question but, I've got
> a bunch of
> 36"X48" sheets
> of FR4 that I need to cut down. Nothing I've tried seems to
> work. At
> least not for long.