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Subject: Re: [Homebrew_PCBs] Re: Cut FR4 with a band saw?

From: "Roland F. Harriston" <rolohar@...>
Date: 2010-04-15

P.S:

An outstanding job!
Overkill for just cutting PCB stock IMHO, but nevertheless,
good design and craftsmanship.

Roland F. Harriston, P.D.
∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗∗

Paul Symansky wrote:
>
>
> Hi guys,
>
> Since we're talking about cutting FR4, I thought I would share my creation
> with you. I made a small "PCB table saw."
>
> View from the top: http://twitpic.com/19ewab <http://twitpic.com/19ewab>
>
> View from the bottom: http://twitpic.com/19ewi4
> <http://twitpic.com/19ewi4>
>
> It's essentially a Dremel flex shaft attachment affixed to a plate of
> aluminum. I originally wanted to use standard cut-off wheels because of
> their availability, but the flex shaft handle was too large, or the
> diameter
> of the wheel was too small. depending on how you look at it. I removed
> half
> of the handle and created a bearing block to hold the axis of rotation as
> close to the table as possible.
>
> It works fairly well and the adjustable gate allows you to make rather
> straight cuts. The cutoff wheels, while cheap, are fairly thick and
> non-planar, though. I'm looking into using much thinner steel saw
> blades in
> the future.
>
> I have DWG/DXF files of most all of the parts and I wouldn't be averse to
> sharing them.
>
> Best regards,
>
> Paul
>



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