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Miter saw blade wobble after contact with cutting piece

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Forum topic by Meetloaf13 posted 09-06-2016 01:09 AM 690 views 0 times favorited 6 replies Add to Favorites Watch
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Meetloaf13

2 posts in 349 days


09-06-2016 01:09 AM

Hello, I’m a bit puzzled,.

I’ve inspected the washers for damage, at rest the blade isn’t warped, from rest the blade stays even, but with even a slight nudge or force, the blade wobbles a ton, see below:


View on YouTube

Thanks for your help!


6 replies so far

View TheFridge's profile

TheFridge

7480 posts in 1206 days


#1 posted 09-06-2016 01:35 AM

New blade? Old blade?

It has the characteristics of a blade that wasn’t properly tensioned.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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Meetloaf13

2 posts in 349 days


#2 posted 09-06-2016 03:17 AM

Pretty new blade, light use.

View nightguy's profile

nightguy

213 posts in 382 days


#3 posted 09-06-2016 05:05 AM

Are you sure it is the blade and not somewhere else in the saw? The guard is moving with the blade also, I think it is in the saw mounting. Is it a slider?

View Rick M's profile

Rick M

9925 posts in 2100 days


#4 posted 09-06-2016 05:36 AM

Loose nut?

The guard looks still to me.

-- http://thewoodknack.blogspot.com/

View MrUnix's profile

MrUnix

5593 posts in 1919 days


#5 posted 09-06-2016 05:51 AM

Looks like the arbor is floating… it will stay straight due to centrifugal force when spinning, but side force moves it. Unplug it and grab hold of the blade – push and pull it to see if you are getting movement in any direction. If you are, then you probably need to open it up and see what is going on… my guess is bearings. How old is the machine and did this just start?

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

View MadMark's profile

MadMark

979 posts in 1173 days


#6 posted 09-06-2016 06:07 AM

Put the blade on a known flat surface and make sure its not flanged. Also check for missing teeth.

Examine the arbor nut for a keying flat and that it is properly installed.

Make sure the blade is mounted in the correct direction and ther are no gaps on the arbor washers / nuts (use a slip of paper or feeler gauge to check.)

The motor bearings could be shot.

All else fails hit it with a hammer and tell the spouse you need a new one.

M

-- Madmark - Madmark2150@yahoo.com Wiretreefarm.com

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