Reply by Mark Kornell

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Posted on Thin kerf Riving knife?

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Mark Kornell

1169 posts in 2496 days

#1 posted 01-26-2013 05:49 AM

Generally not too hard to make one yourself. I’ve made two…

Find some steel sheet 0.80” or 2mm thick. This will work with almost all thin kerf blades, but you might be able to get away with 3/32” or 0.90” – you need the thickness to be just less than the blade kerf. Trace the outline of your existing riving knife on it and cut it out. It will cut pretty easily with a jigsaw or hacksaw with bimetal blades. Sand to your line and round over all edges. Take care that you don’t bend the sheet, you need it to remain straight.

You’ll need to be very precise about the location of the mounting holes/slots/tabs where it attaches to the saw, as those are used for alignment. Depends on the saw, but if you’re too sloppy about them, you risk the knife being able to come in contact with the blade during operation. DAMHIKT.

-- Mark Kornell, Kornell Wood Design

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