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band saw tire keeps popping off - time for replacement?

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Forum topic by AaronK posted 08-19-2014 12:04 PM 1460 views 0 times favorited 17 replies Add to Favorites Watch
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AaronK

1440 posts in 2929 days


08-19-2014 12:04 PM

I got my Jet 14” bandsaw used, not sure how old it is, but not more than 10 years and from a hobbyist. One of the tires keeps popping off the wheel… is this a sure sign that it needs replacing? It doesn’t appear cracked or brittle in any way…


17 replies so far

View distrbd's profile

distrbd

2227 posts in 1911 days


#1 posted 08-19-2014 03:30 PM

It really doesn’t matter why the tire is popping off ,whether it can be glued back on ,after 10 years of use it is time to just replace both tires and start the set-up with a new pair,your bandsaw will be safer /more reliable .

-- Ken from Ontario, Canada

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AaronK

1440 posts in 2929 days


#2 posted 08-19-2014 04:05 PM

after a little bit of googling, I’m going try going around the wheels a few times with adhesive tape to build up thickness to hopefully give the current tires some more grip. If it doesn’t work, I’ll report back and let LJ know :-)

View harveysoriginals's profile

harveysoriginals

107 posts in 952 days


#3 posted 08-19-2014 04:27 PM

That doesn’t sound very safe to me! Are new tires not available?
Tires popping off the wheels means that a bandsaw blade is popping off the wheels?
That is NOT a good thing!

-- The most dangerous tool in my shop is the one I am currently using! Harvey

View Fred Hargis's profile

Fred Hargis

3945 posts in 1958 days


#4 posted 08-19-2014 04:31 PM

Whether the tires are cracked or brittle really isn’t a way to gauge the tires life. It sounds like you need new ones, and a change to polyurethane ones would be a good thing….really not terribly expensive.

-- Our village hasn't lost it's idiot, he was elected to congress.

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AaronK

1440 posts in 2929 days


#5 posted 08-19-2014 04:39 PM

thanks for the warning folks! but I’m not really afraid, and I don’t see a reason for me to be overly cautious. I’ve had the blade jump off a few times I would call it more of an inconvenience than a safety issue. I use my guard, and when the blade pops off, it barely moves out of place through the guide blocks.

View giser3546's profile

giser3546

179 posts in 937 days


#6 posted 08-19-2014 06:59 PM

Even if you add the tape and the tires feel tight when stationary once you start it the centrifugal force of the spinning wheels will sling the tires off the wheels. Are your wheels cracked or hard? If they still have some stretch in them and fit relatively tightly with no wrinkles you could get away with gluing them on. Polyurethane tires are a step up but are very pricey and will not offer any kind of improvement in performance, but they will last longer and don’t require gluing.

Are you sure its your tire causing the issue and not your blade jumping ship and taking the tire with it. You may want to double check your wheel alignment, bearing tightness, and blade tension. I wasted boatloads of cash trying to get a cheap POS band saw to work so before you do anything watch this video.

https://www.youtube.com/watch?v=wGbZqWac0jU

Check everything you can on your saw before you just put money toward the problem.

-- "If you wait for it to rain, It will"

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AaronK

1440 posts in 2929 days


#7 posted 08-19-2014 07:50 PM

it looks like the tires… with sufficient blade tension for normal use, I can see the belt bunching up a bit just ahead of the pinch point where it hits the blade. The wheels are not cracked or hard at all.

Like I said, it’ll be pretty easy to see if this works. Thanks for the advice about gluing it. I didn’t know until today that tires could be glued… it may be that’s all it’d take too.

View gfadvm's profile

gfadvm

14940 posts in 2155 days


#8 posted 08-20-2014 12:40 AM

Aaron, Sounds like you are determined to fix this without new tires. I used “GOOP” adhesive from the auto parts store to keep my tires on the wheels one weekend when I needed to finish a project. It was a temporary fix that has lasted 3 years and counting! This was a tip from Patron.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

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AaronK

1440 posts in 2929 days


#9 posted 08-20-2014 01:29 AM

I’m totally determined :) Anyway, I’m still alive and able to report back that a few revolutions of electrical tape around the wheel helped to keep the tire on. I did check the other tire, and it looks like it’s barely stuck on with some glue that is very brittle – probably what happened to this wheel. If it acts up again I’ll add some more tape and/or adhesive. For now, this works great.

By the way, Fred – what is the way to gauge a tire’s life if not by it’s ability to remain flexible? I thought the primary purpose of the tires was to protect the edge of the teeth, since their set would normally cause them to abrade against the metal wheel. If they’d normally be adhered with glue to the wheel, what’s missing?

View gfadvm's profile

gfadvm

14940 posts in 2155 days


#10 posted 08-20-2014 01:38 AM

The newer urethane tires are stretched over the wheel without glue. The older style rubber tires are usually glued.

If your saw doesn’t vibrate and your blades track well, the tires are doing their job.

-- " I'll try to be nicer, if you'll try to be smarter" gfadvm

View fuigb's profile

fuigb

404 posts in 2423 days


#11 posted 08-20-2014 02:45 AM

My Jet 14” BS is two years old and needed new tires, or so said about the tech support guy. Not a cheap date, but I am back in business. I believe that I started a thread on this (or followed on with an existing thread) and got the same advice: change the bloody tires.

-- - Crud. Go tell your mother that I need a Band-aid.

View woodbutcherbynight's profile

woodbutcherbynight

2440 posts in 1874 days


#12 posted 08-20-2014 04:57 AM

change the tires, simple, inexpensive fix and you move on.

-- Live to tell the stories, they sound better that way.

View Fred Hargis's profile

Fred Hargis

3945 posts in 1958 days


#13 posted 08-20-2014 12:49 PM


By the way, Fred – what is the way to gauge a tire s life if not by it s ability to remain flexible? I thought the primary purpose of the tires was to protect the edge of the teeth, since their set would normally cause them to abrade against the metal wheel. If they d normally be adhered with glue to the wheel, what s missing?

- AaronK

Well, they all aren’t normally glued to the wheel (some are, but not all)...and that may have been something someone else did to solve your problem. But a good clue as to whether they need replaced or not might be they keep coming off the wheel, they tend to stretch as they age. It doesn’t matter, you have your solution….I wish you the best with the effort. I do agree with you about the primary purpose of the tire…..but a lot of bandsaw performance problems trace to having bad tires (Band Saw Handbook, Mark Duginske).

-- Our village hasn't lost it's idiot, he was elected to congress.

View johnstoneb's profile

johnstoneb

2145 posts in 1638 days


#14 posted 08-20-2014 12:57 PM

When a tire starts coming off It’s a sign the tire is worn out. Glue is just a temporary fix. If you don’t mind continuing to put the tire back on in the middle of a cut. Go for it. I tried the glue for a while finally took 15 minutes changed the tire. No more tire coming off at the most inopportune moment. Next time I’ll just change the tire no messing around with glue.

-- Bruce, Boise, ID

View Underdog's profile

Underdog

904 posts in 1501 days


#15 posted 08-20-2014 01:30 PM

I’d quit messing with the old tires. Buy polyurethane tires and don’t look back. That’s what I did. Never had any more trouble with ‘em.

-- "woodworker with an asterisk"

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