Cutting accurate measurements with a table saw

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Forum topic by JonK posted 05-17-2013 04:23 AM 1680 views 0 times favorited 5 replies Add to Favorites Watch
View JonK's profile


52 posts in 2008 days

05-17-2013 04:23 AM

Topic tags/keywords: cutting plywood tablesaw tips jigs tablesaw

Dear woodworkers,
I have discovered that sometimes when I cut expensive plywood (or any of that size) that it will cut shorter in width because, I can’t seem to hold it close to the fence. This is not a 4×8 sheet, it is laminated cabinetry plywood so, you can see my frustration when I miss cut expensive plywood.

What tips do you guys have and is their a tip to correct my procedure of cutting? Thanks for the wisdom.

5 replies so far

View Loren's profile


10476 posts in 3677 days

#1 posted 05-17-2013 04:31 AM

Board Buddies™ or other similar products can help.

Often I rip 1/2” or so oversize. Plywood moves a
bit as stresses are released. I have an edgebanding
machine that requires jointer-straight edges for
best results. After ripping parts a little oversized,
I let them move overnight, then check the parallel
edges for concave/convex. Then I rip again to
get a straight edge for the bander. Usually this
is good enough but sometimes I straighten the
edge that goes against the fence first if it is really
bad – and then I can get a pretty straight rip on
the other edge.

You can use a jointer of course, but it is hard
on the blades to run plywood on it. I prefer
to use a hand plane. The reference edge is
usually not banded and goes at the back
of the cabinet where it won’t be seen.

View RogerInColorado's profile


321 posts in 1983 days

#2 posted 05-17-2013 04:48 AM

Check your splitter to make sure it is PERFECTLY aligned with your blade. Even a tiny misalignment can drag your material away from the fence and no amount of force you can apply will keep it pushed to the fence. Mine has a bad habit of looking aligned but the rod it attaches to has rotated a tiny bit. I now check that it is perpendicular to the blade every day using a square. Not square will also cause the problem you describe.

View NiteWalker's profile


2737 posts in 2606 days

#3 posted 05-17-2013 07:51 AM

+1 on aligning your splitter, and other than that, practice.
Or cut close leaving about 1/8” or so, then take a final trimming pass.

-- He who dies with the most tools... dies with the emptiest wallet.

View LookingGlass's profile


77 posts in 2137 days

#4 posted 05-17-2013 10:04 AM

I do what Loren does…cut a little over sized and then trim it up. If a little big you can trim; if a little short….ugh ;<(

-- Take care.....Ed

View MrRon's profile


4800 posts in 3272 days

#5 posted 05-17-2013 04:46 PM

It takes more time, but I will take a cut on scrap before commiting good wood. I don’t like or trust splitters or reiving knives. They are safety devices, but if not positioned correctly, are worse than nothing at all.

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