Dwayne Reid wrote:
>At 01:17 PM 4/21/02 +1000, Adam Seychell wrote:
>
>>Oh, I wouldn't use a table saw bench designed for woodwork. The circular
>>blade is a way bit fast. My variable speed jigsaw does it well, but make sure
>>you use carbide tooth blades. Standard steel blades in a jigsaw become blunt
>>after about 30 cm of cut. Hacksaw blades are also short lived.
>>
>
>Gosh - I've been using a radial arm saw to cut FR4 PCB material for at
>least 20 years. The blades are 10" carbide with 60 or more teeth. Nice
>clean cuts so long as the blade is sharp - which is quite some time. I
>don't have hour figures at hand but I have half a dozen blades (all used
>for different purposes) that I get sharpened about once a year.
>
>The bi-metal blades for my Bosch jigsaw work OK as well and seem to be
>fairly long lived.
>
>I currently use the saws to cut 3' x 4' panels down to the size my 30"
>shear can handle. Before we had a shear, we used the radial arm saw to do
>all the cutting. Although the radial arm saw is noisy and dangerous, it
>had NO problem cutting all the PC material we threw (and throw) at it. A
>table saw with a nice, sharp carbide tooth blade and a fence that is
>accurately aligned should work just as well.
>
>dwayne
>
Hi, dwayne
Well, if your experience shows there is no problem with table saws, then
I should give it a try myself. The 60 tooth blade in my saw bench
(Triton 2000) cost a me bit so I was weary about using it on "FR4"
material knowing how abrasive this stuff can be.