On Tue, May 03, 2011 at 08:22:59PM -0400, gene heskett wrote:
>
> My thoughts are to replace it with a tall carbide plate, warped so its a
> few microns high in the middle. So I would need a couple pieces of flat
> carbide, say 1/16" thick, 1/4" wide and an inch long that I could mount so
> the blade would back into the 1" high by 1/4" wide face when the sawing
> pressure pushes the blade back enough to touch the carbide, wheels etc
> adjusted so the blades back clears by 10 thou or so when running freely.
>
> Anybody know where I could source something like that?
That sounds very much like one of the two recently discarded carbide
planer blades from my Ryobi (hand) power planer. They're about 1/4" by
3", so cut in half, each would make two.
They have a shallow groove in the back, about the width of a bandsaw
blade, if my mind's eye is properly calibrated. ... Ah, they're 7/32
wide, and 3.25" long. Thickness is 2.23mm = .088". The bottom of the
groove is rounded, and it's nearly 1/16" wide at the lip.
Might have to use a little diamond wheel to relieve the ends, even if
the complete rounding you describe becomes too bothersome?
Erik
P.S. Never did get my 24" bandsaw to resaw worth a damn. Even making an
angled fence, to match the natural cutting angle revealed by
freehand cutting to a straight pencil line on a piece of plywood,
then measuring the angle it makes to the 90° fence, didn't fix the
wander. Maybe a roller to keep the flitch hard against the (angled)
fence would help. (Mind you, selling it would make room for a
bigger mill.)
--
A computer is like an air conditioner, it works poorly when you open Windows.
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