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Riving knife - how wide?

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Forum topic by brucet999 posted 09-21-2020 08:03 PM 260 views 0 times favorited 2 replies Add to Favorites Watch
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brucet999

10 posts in 610 days


09-21-2020 08:03 PM

I am going to make a riving knife for my Delta Hybrid TS, similar to this one:
https://www.youtube.com/watch?v=WeMDZPWjvAs

There is a problem with clearance between the blade and the motor mount casting, so I can’t make my RK 1/8” behind the blade and 1 1/2” wide, as first intended, without grinding part of that casting away.

What is the minimum riving knife width that would be effective?

anyone have a riving knife under 1 1/2” wide?


2 replies so far

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therealSteveN

6454 posts in 1457 days


#1 posted 09-21-2020 10:28 PM

It MUST be narrower than your thinnest blade, or you won’t pass it. This is a problem for some users with a multitude of blades for different functions, especially if they sprinkled in a mix of thin kerf baldes with some full kerf blades.

About what size. I believe Ron has a winner with this print. How to determine splitter and riving knife thickness.

As long as the metal is stout and will hold up, an inch would be wide enough. My question is, will you save enough $$$$ making one, versus having Ron make you a Shark, which are known to be awesome.

-- Think safe, be safe

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AMZ

190 posts in 272 days


#2 posted 09-22-2020 09:34 AM

Thinner than the widest part of blade, must be exactly in line with the blade.

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