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compound Mitre Saw Squaring Problem

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Forum topic by Andy911 posted 03-09-2018 02:56 PM 311 views 0 times favorited 6 replies Add to Favorites Watch
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Andy911

3 posts in 283 days


03-09-2018 02:56 PM

Topic tags/keywords: question

Hi, I’m hoping to get a little help squaring my Compound Mitre Saw.

I have it nice and square with the Mitre at 0 and the Bevel at 90.

When I rotate the Mitre to 45 degrees, the bevel measures 93. When I rotate the Mitre to -45, the bevel measures 87. I don’t think the table is warped because it measures 0 degrees at all the above Mitre angles.

Any thoughts? Help would be much appreciated.


6 replies so far

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Ripper70

1165 posts in 1112 days


#1 posted 03-09-2018 03:16 PM

What kind of saw? Make/model?

-- "You know, I'm such a great driver, it's incomprehensible that they took my license away." --Vince Ricardo

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Dustin

597 posts in 944 days


#2 posted 03-09-2018 03:17 PM

Andy,

It would help a little if we knew the model of saw you’re using. But just off of the top of my head, this sounds like the axis that the saw rotates on to adjust the miter cut is not traveling parallel to the table. Both could be perfectly flat with no warping, but this would explain why the bevel changes by the exact opposite measurement when moving from left to right. Whether this is something that is adjustable or not, I can’t really say without knowing more about the saw.

And welcome to LJ’s!

-- "Ladies, if your husband says he'll get to it, he'll get to it. No need to remind him about it every 6 months."

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RogerM

799 posts in 2603 days


#3 posted 03-09-2018 04:32 PM

Sounds like some significant structural issues with the base of your miter saw. We need to know the make and model of the saw to offer effective solutions to your problem.

-- Roger M, Aiken, SC

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Andy911

3 posts in 283 days


#4 posted 03-09-2018 04:35 PM

”this sounds like the axis that the saw rotates on to adjust the miter cut is not traveling parallel to the table”

This is what I’m thinking also, but I can’t figure out why the bevel angle drifts while the table remains at the same 0 degree angle. The two appear to be attached. Thus, if the bevel angle changes, it seems the table angle should change a little also. I use a Wixey angle gauge that is only accurate to 0.1 degrees.

The Saw is similar to the Dewalt DW713 10” (254MM) COMPOUND MITER SAW.

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Loren

10477 posts in 3852 days


#5 posted 03-09-2018 05:03 PM

If it’s not on a perfectly level surface the
reading from an angle cube will change
as the axis changes.

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Dustin

597 posts in 944 days


#6 posted 03-09-2018 05:28 PM



”this sounds like the axis that the saw rotates on to adjust the miter cut is not traveling parallel to the table”

This is what I m thinking also, but I can t figure out why the bevel angle drifts while the table remains at the same 0 degree angle. The two appear to be attached. Thus, if the bevel angle changes, it seems the table angle should change a little also. I use a Wixey angle gauge that is only accurate to 0.1 degrees.

The Saw is similar to the Dewalt DW713 10” (254MM) COMPOUND MITER SAW.

- Andy911

Ahh, I think I understand you a little better now. To piggy back off of Loren, you might be better off using a good straight edge to make sure the rotating table is staying coplanar with the fixed base.

-- "Ladies, if your husband says he'll get to it, he'll get to it. No need to remind him about it every 6 months."

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