How to square?. - Router Forums
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post #1 of 19 (permalink) Old 06-04-2015, 08:46 PM Thread Starter
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Default How to square?.

Hi, I need a perfectly cut and squared wood strip that is 11/4" (3 cms) square.

The problem is, I used to buy this already of that dimensions, but not sure how they do it, it ends up really badly.

Instead of 3 cms, I get 3.1, and only one angle of all 4 is a perfect 90 degrees angle.

So I decided to make my own, using my TS.

I think the best way would be to buy some of those a little oversimendiones, and then cut the excess.

Or something like that.

Any recommendations to make this task as simple and precise as posible?.
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post #2 of 19 (permalink) Old 06-04-2015, 08:56 PM
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I almost think building a dedicated sled / jig that goes on your table saw would be the most accurate . But I'm sure the experts will pipe up soon

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post #3 of 19 (permalink) Old 06-04-2015, 09:49 PM
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Rick is on the right track Pablo. Rip cut a board to 3cm wide and the cut off 3cm at a time. The easy and safe way to do this is to clamp a block of wood to your TS fence near the front of the table and move the fence over from the blade until it is 3cm plus the thickness of the block clamped to the fence. Now you can cut the pieces off quickly and safely. You should use at least a 19 or 20mm thick block.

Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #4 of 19 (permalink) Old 06-04-2015, 09:51 PM
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rip a strip to 1¼''
set the miter gauge perfect 90° to the blade...
clamp a stop block to the miter for cut length...
chop away...

This would have been the week that I'd have finished chewing thru the restraints...
If only new layers hadn't been added....

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post #5 of 19 (permalink) Old 06-05-2015, 05:45 AM
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One question - what is the quality of your saw blade and what sort of finish do you require for the final item? Do you need to allow a margin for sanding after it comes off the table saw?

I would also suggest you consider using feather boards to hold your job firmly while cutting, both vertical and horizontal.

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post #6 of 19 (permalink) Old 06-05-2015, 06:39 AM
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To get accurate cuts you need a good saw and a good blade. I would either make a sled or use a good miter gauge. I have a Kreg miter gauge which can be micro adjusted to get a square cut. To get the correct length, I use a shop made micro adjustment screw. The one on my miter gauge is a block of wood that slide along a track on the miter gauge. I have a knob that is threaded into a threaded piece of nylon. Actually it was a piece off of a router plate leveler. I also use a block of wood with a screw in the end. I cut slightly oversize, check the measurement, then loosen the screw slight then make another cut until I get the dimension I am after. Here are a couple photos - one on the table saw and one of the miter saw. Both serve the same purpose - allow me to micro adjust. Hope this helps. Malcolm / Kentucky USA
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post #7 of 19 (permalink) Old 06-05-2015, 07:47 AM
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How about buying one and using it as a template.....rough cut the new piece and tape the template to it and use a flush trim bit in a router to cut to final exact dimension?
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post #8 of 19 (permalink) Old 06-05-2015, 08:07 AM
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You're really only squaring up stock. To do this a good planer is all you really need. As long as one side is straight the the rest should follow. I would make the pieces longer than needed to cut off any snipe that you may get but not so long that you create a bow with the pressure of the rollers. If you don't own a planer then this would be a good excuse to treat yourself to one.
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post #9 of 19 (permalink) Old 06-05-2015, 09:21 AM Thread Starter
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Forgot to mention, I don't have a planer (nor are really accessible here, in availability or price).

I will illustrate better the problem I'm facing with the stock I buy, as you can see, that is how it comes from their planer, it seems.

The red ones are the ones I buy, the green one is my goal.
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post #10 of 19 (permalink) Old 06-05-2015, 10:51 AM
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Pablo, if your table saw is accurately adjusted you should be able to rip all 4 sides square and to dimension. Then crosscut them as described above with a stop block and a miter gauge or sled on the table saw.
Be sure to use a sharp blade.

Herb
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