Squaring Miter Saw

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Forum topic by chuckybuck posted 05-27-2015 09:47 PM 1068 views 0 times favorited 8 replies Add to Favorites Watch
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3 posts in 1271 days

05-27-2015 09:47 PM

Looking for help. I can not get my Miter saw to make square cuts. Even after using a good square against the fence and blade its still off. I even tried setting just off 90 degrees and still off. Its a dewalt miter saw. Should I be able to make 90 degree cuts or is this machine intended to “get me close.”

8 replies so far

View bbasiaga's profile


1240 posts in 2171 days

#1 posted 05-27-2015 09:54 PM

Welcome to the forum.

You should be able to get square. Your manual should have instructions on how to make adjustments. If not, on a lot of these saws the fence can be loosened, and then adjusted. The way most folks do it is to make a cut, check the board for square with the square, and then shim/move the fence as necessary until it is where they want it.


-- Part of engineering is to know when to put your calculator down and pick up your tools.

View BurlyBob's profile


5936 posts in 2441 days

#2 posted 05-27-2015 10:58 PM

Hi Chuck. I had a very annoying with my 12” Makita. I bought a Wixey digital protractor. It made all the difference in the world. Another method is to cut a board at 90 degree than roll one of the pieces and adjust saw to correct the gap until both sides marry up perfectly. But honestly the Wixey protractor is far easier and the upside is that every time you need to reset, you got the Wixey.

View Richard H's profile

Richard H

489 posts in 1856 days

#3 posted 05-27-2015 11:03 PM

Plastic drafting squares are good for these kinds of adjustments to and they are cheap.

I’m not sure why ignoring the stops you can’t sneak up on square however If you set the blade square to the fence than rotate the blade half a circle is it still square? If not take the blade off and clean everything down and reattach as it might not be seated right.

View Gerald Thompson's profile

Gerald Thompson

1107 posts in 2410 days

#4 posted 05-27-2015 11:58 PM

Go to Youtube and do a search for your model #saw. There are several videos on how to square them.

-- Jerry

View AZWoody's profile


1411 posts in 1400 days

#5 posted 05-28-2015 04:12 AM

Do you have the DeWalt 12” sliding miter saw?
I have one and no matter how I set it, when I go to cut, it’s off.
I ended up getting a different one because of it. I have read other complaints before when I was trying to research a way to fix it and now just use it for fast rough cuts of rough lumber that I removed from the drying stack.

View alittleoff's profile


541 posts in 1452 days

#6 posted 05-28-2015 06:19 AM

I bought a dw717 dual bevel 10” miter saw about 3 or 4 months ago. I thought I had it tuned until this week when I precut quiet a few 22.5 degree 4×4 cedar peices of wood for a project I’m doing. When I started putting everything together it seems that some cuts are not correct. i sure hope I don’t have any trouble getting it worked out. If I’m not mistaken lowes 3 month return if you don’t like it warranty is out. I’m going to double check on the warranty tomorrow and do some adjustments now, since I read this post. The problem with my saw is when you make the cut it gets off as you go deeper into the wood. I didn’t notice the problem while I was cutting half inch material. It’s not real bad but it’s enough that I want it corrected. Especially on 4 inch material. If I find out what the problem is I’ll post The results.

View mramseyISU's profile


553 posts in 1721 days

#7 posted 05-28-2015 02:40 PM

Well that makes me feel better that my craftsman isn’t the only one that sucks. I can get it to make a square cut at 45 degrees when I swing it to the left, swing it to the other 45 degree stop and it’s out. The 45 degrees is right but the saw won’t cut straight up and down and the end of the board is out by like 4-5 degrees. I’d really like to take it out back and put it out of my misery with a 12 gauge.

-- Trust me I'm an engineer.

View chuckybuck's profile


3 posts in 1271 days

#8 posted 05-28-2015 03:34 PM

All, thank you for the responses. Several of these I have tried. I did stick a straight edge across both fences and noticed a gap…so it could be the fence? next steps will be to attempt adjusting the fence.
First post as you can tell. I have read for a long time but never posted. Recently got serious into woodworking and enjoying every frustrating minute of it.

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