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Unisaw Arbor Run-out

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Forum topic by mw7018 posted 01-31-2016 07:33 PM 429 views 0 times favorited 4 replies Add to Favorites Watch
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mw7018

19 posts in 331 days


01-31-2016 07:33 PM

Topic tags/keywords: unisaw fine-tuning run out

I am in the process of setting up my recently acquired Unisaw 34-450.

After installing new arbor bearings, I re-installed the assembly and it is very smooth. Using my dial indicator, I come up with a .006 ‘wobble’ as measured at the edge of the fixed flange on the arbor while rotating it slowly. The arbor appears to be straight.

Any suggestion on the best way to address this?

Mike


4 replies so far

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AlaskaGuy

2406 posts in 1771 days


#1 posted 01-31-2016 07:39 PM

Do a google search on “trueing up a abor on a table saw”. There’s a ton of how to’s and videos.

-- Alaskan's for Global warming!

View MrUnix's profile

MrUnix

4216 posts in 1661 days


#2 posted 01-31-2016 07:39 PM

Check here for one option:

Fixing the wobble in a table saw arbor

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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mw7018

19 posts in 331 days


#3 posted 01-31-2016 08:22 PM

Great input guys.

I have the arbor out of the saw and will see if I can get it machined before re-installing.

Hopefully this will eliminate the need to ‘tune’ it in the saw. Makes you appreciate the need to be gentle with things you want to be precise.

Mike

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mw7018

19 posts in 331 days


#4 posted 02-12-2016 03:50 AM

New bearings for the arbor and motor installed. Running smooth!

Amazied at the difference from my Craftsman. Now, building a runout table and then cabinets for our Butler’s Pantry.

My 24 year old son was skeptical about my purchase of a 47 year old saw, but after helping rebuild and seeing the performance he had to admit his admiration for the quality of the saw.

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