Homebrew PCBs

I've tried using a 7" cutting wheel on my circular saw.  After about 
24" they tear free from the
center mount.  I went through 3 of them this morning and made 1.5 cuts.  
The last time I cut up
a sheet I used a regular router bit.  Needless to say the bit was dead 
by the time I was done.  I
also tried a 1/8" mill end I had gotten from somewhere locked in my 
router.  It did a really nice
job for about 12" then snapped.  I'm thinking a beefier mill end would work.

Robert Hedan wrote:

>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
>:)
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>>-----Message d'origine-----
>>De : Homebrew_PCBs@yahoogroups.com 
>>[mailto:Homebrew_PCBs@yahoogroups.com] De la part de William Kroyer
>>Envoy� : avril 30 2006 12:33
>>� : 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.
>>    
>>
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