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How to square up a piece of plywood

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Forum topic by ragin_cajuns posted 01-06-2017 08:42 PM 1540 views 1 time favorited 10 replies Add to Favorites Watch
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ragin_cajuns

40 posts in 773 days


01-06-2017 08:42 PM

I want to be able to square up pieces of 3/4 inch plywood and have been searching the web all day. I have seen several ways and I like this way the best – http://www.woodworkersjournal.com/375/

He uses a table saw and makes it jointer basically. If this was in video format it would be perfect. I’ve read it a few times and I think I understand what he is doing but wish there was a video explaining this. Anyone know of a video explaining how to do this?

Thanks,


10 replies so far

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hairy

2606 posts in 3434 days


#1 posted 01-06-2017 11:25 PM

https://www.youtube.com/results?search_query=tablesaw+as+a+jointer

Also look for jigs to cut to cut 1 straight edge on a piece

-- My reality check bounced...

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Richard Lee

89 posts in 677 days


#2 posted 01-06-2017 11:51 PM

How big are the pieces?
Squaring all 4 sides?
I use a sled on my tablesaw to make one straight edge then just the fence for the other edge.

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EugdOT

220 posts in 457 days


#3 posted 01-06-2017 11:58 PM


I use a sled on my tablesaw to make one straight edge then just the fence for the other edge.

- Richard Lee

I second that you should make a panel sled large enough to use on various sizes.

https://m.youtube.com/watch?v=4p0UTVUXh48

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Richard Lee

89 posts in 677 days


#4 posted 01-07-2017 12:06 AM

https://www.youtube.com/watch?v=MnFxLxqnRWM
This is close to what i use, I can straighten an 8’ length.

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ragin_cajuns

40 posts in 773 days


#5 posted 01-07-2017 01:05 AM

plywood pieces that are 2-3 feet wide and long. too big for my sled. i like the article i posted using the table saw as a jointer idea. just wish there was a video explaining it

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WhyMe

975 posts in 1463 days


#6 posted 01-07-2017 01:36 AM

To me the written instructions for the table saw jointer jig is very straight forward. The infeed edge is cut to ride flush to the right side of the blade and the outfeed edge is flush with the left side of the blade.

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clin

792 posts in 898 days


#7 posted 01-07-2017 03:14 AM

I’m a bit confused what you want to do. Your title says “How to square up a piece of plywood”. Which sound like you want to create a plywood panel with square sides. That is a job for a big sled.

But, you link to a method for making a table saw jointer jig. So again, I’m confused what you are really trying to do.

Assuming you want to joint the edge, there are reversal different table saw jointer jigs. Some are really jujst sleds that you can clamp the rough stock to. Or as mentioned, you could use a large sled to joint an edge, AND to make another square edge cut.

While I’ve not built any, if you want something that works like a traditional jointer, the one I liked the look of uses a sacrificial fence and an added layer of plastic laminate (Formica or similar) to this fence.

Here’s a link to a PDF describing one example:

http://download.plansnow.com/plansnow-tablesaw-jointing.pdf

I found this on a page showing several other techniques.

http://www.toolcrib.com/blog/2009/02/6-table-saw-jointing-jig-plans-straight-edge-no-jointer

For my plywood projects, I just use a big sled I made. I think I can handle something about 36” wide. That makes it really easy. For boards, I still use the table saw, but I use a clamp-on edge guide commonly used for cutting plywood with a circular saw. It functions like many of the techniques that are based on attaching the wood to something with a straight edge.

-- Clin

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manjup2

3 posts in 406 days


#8 posted 01-07-2017 06:51 AM

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manjup2

3 posts in 406 days


#9 posted 01-07-2017 06:53 AM

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manjup2

3 posts in 406 days


#10 posted 01-07-2017 06:56 AM

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