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saw blades with rivnig knife -- std kerf vs. thin

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Forum topic by dpjeansonne posted 05-21-2011 05:16 PM 1294 views 0 times favorited 4 replies Add to Favorites Watch
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dpjeansonne

72 posts in 2681 days


05-21-2011 05:16 PM

Topic tags/keywords: tablesaw riving knife thin kerf

I need to replace a standard 0.125” blade on my Grizzly 1023R that uses a rving knife. Grizzly says that the knive requires you to use a standard kerf blade as the thin kerf ones are thinner than the knife and they don’t make one to match.

I really would like to use the thin kerf ( 0.0904”) blades as they are more readily available, cheaper, and have other advantages. But the 1023 at 3hp can handle the 0.125” blades no problem.

My question is—- If I can adjust the riving knife correctly on the right side and let the left side of the blade be misaligned, is that a bad thing? I really never use the left side of the blade and when needed I would remove the knife. This would let me use any blade kerf.

Any suggestions?

-- Cajun Don, Louisiana


4 replies so far

View Sawkerf's profile

Sawkerf

1730 posts in 2536 days


#1 posted 05-21-2011 06:22 PM

How do you saw with only one side of the blade??

A riving knife is sized to fit in the kerf left by the blade. If the riving knife is wider than the saw kerf, the board can’t move forward.

You may be able to find an aftermarket riving knife for a narrow kerf blade, but if you can’t, a machine shop should be able to mill a standard knife to the necessary thickness. A few passes of a surface grinder should be all that’s needed.

-- Adversity doesn't build character...................it reveals it.

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knotscott

7225 posts in 2843 days


#2 posted 05-21-2011 06:59 PM

Ditta what Sawkerf said…

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

View SCOTSMAN's profile

SCOTSMAN

5839 posts in 3053 days


#3 posted 05-21-2011 07:08 PM

Yes I don’t get what your trying to say either sorry. Alistair

-- excuse my typing as I have a form of parkinsons disease

View dpjeansonne's profile

dpjeansonne

72 posts in 2681 days


#4 posted 05-22-2011 12:54 AM

You’re right! I will try to find someone to mill the knife to the right thickness.

Thanks.

-- Cajun Don, Louisiana

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