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Zero Clearance Insert Plate that Fits Riving Knife

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Forum topic by LoyalAppleGeek posted 05-01-2016 01:23 AM 508 views 0 times favorited 7 replies Add to Favorites Watch
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LoyalAppleGeek

122 posts in 362 days


05-01-2016 01:23 AM

Topic tags/keywords: insert plate table saw riving knife kerf zero clearance shop made

Greetings and salutations LumberJocks!

I’m making a zero clearance insert plate for my table saw, but before I began I realized a problem. If I simply raise the blade into the insert blank to cut my kerf, there won’t be any space for the riving knife to protrude through the plate. Removing the riving knife is absolutely out of the question, but I would really like this to be as perfect a fit to the riving knife as it is to the blade.

If anyone here has had this issue and addressed it, or knows how, I would really appreciate the help.

Thanks again!


7 replies so far

View Woodchuck2010's profile

Woodchuck2010

515 posts in 326 days


#1 posted 05-01-2016 01:40 AM

I’m not sure what you mean by” there won’t be any space for the riving knife to protrude through the plate.” What kind of table saw do you have?
Heres a pic of my table saw with riving knife. I bought the ZC insert from Leecraft for my specific saw. It was pre-cut with the riving knife slot.

-- Chuck, Michigan,

View Kaleb the Swede's profile

Kaleb the Swede

1732 posts in 1437 days


#2 posted 05-01-2016 01:42 AM

Not sure what type of saw you have. My saw is a craftsman 21833 saw. I can lower my riving knife out of the way. So i lowered it all the way and brought the blade up through the insert as per usual. Then i just took a straight edge and made a mark for the riving knife and cut it with a jig saw.

If you can remove your knife for the initial cut, this is the way i would do it.

Hope this helps

-- Just trying to build something beautiful

View LoyalAppleGeek's profile

LoyalAppleGeek

122 posts in 362 days


#3 posted 05-01-2016 02:30 AM

Woodchuck: Thanks for the picture! I meant that since I’m raising the blade into the plate to cut my kerf, the blade will only cut the slot for itself, and not for the riving knife. (It’s a Kobalt 15-Amp 10-in Table Saw :-)

Kaleb the Swede: I’m a Swede too! That sounds like a plan, I was going to remove the riving knife for the cut, but didn’t know how to get the rest cut out accurately. Thanks!

View runswithscissors's profile

runswithscissors

2192 posts in 1493 days


#4 posted 05-01-2016 04:56 AM

One way is to put your regular insert plate (if you have it) back in, place the new ZCI over it at the right spacing from the fence, hold it down securely, and raise the blade again through the end where the knife goes.

Another way is to (again, using the original insert plate) turn the new ZCI end for end and adjust the fence so that the blade comes up through the existing slot, then very carefully finish the cut. Actually, I think method #2 is what I did. (It’s been a while)

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

View knotscott's profile

knotscott

7225 posts in 2843 days


#5 posted 05-01-2016 11:52 AM



Not sure what type of saw you have. My saw is a craftsman 21833 saw. I can lower my riving knife out of the way. So i lowered it all the way and brought the blade up through the insert as per usual. Then i just took a straight edge and made a mark for the riving knife and cut it with a jig saw.

If you can remove your knife for the initial cut, this is the way i would do it.

Hope this helps

- Kaleb the Swede

That’s pretty much the method I’ve used too. To make room for the riving knife, you’re going to have to extend the cut made from the blade somehow….there are lots of options for that.

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

View Woodchuck2010's profile

Woodchuck2010

515 posts in 326 days


#6 posted 05-01-2016 02:17 PM


Woodchuck: Thanks for the picture! I meant that since I m raising the blade into the plate to cut my kerf, the blade will only cut the slot for itself, and not for the riving knife. (It s a Kobalt 15-Amp 10-in Table Saw :-)

Kaleb the Swede: I m a Swede too! That sounds like a plan, I was going to remove the riving knife for the cut, but didn t know how to get the rest cut out accurately. Thanks!

- LoyalAppleGeek

Wow. I understand now. Duh. Making your own inserts is nice, but it depends what you make them out of. Mine didn’t last very long due to warping and such. They also never fit exactly right. Thats why I bought these phenolic ones. Yeah they cost about $30, but the way they fit and hold up is worth it to me. Plus the riving slot is already cut for you.

-- Chuck, Michigan,

View splintergroup's profile

splintergroup

832 posts in 690 days


#7 posted 05-01-2016 02:21 PM

Flip over the insert (upside down) and repeat the cut by raising the blade.

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