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Bit of a problem with the bandsaw

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Forum topic by WAWoodButcher posted 12-30-2010 06:09 AM 1248 views 0 times favorited 8 replies Add to Favorites Watch
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WAWoodButcher

18 posts in 2576 days


12-30-2010 06:09 AM

Topic tags/keywords: bandsaw problem tire question

Awhile back I got a Rigid bandsaw off of Craigslist. Work has slowed down and I have had a chance to get it to what I thought was “in working order”. I needed to replace a broken trunnion, one of the guides was missing so I replaced them with cool blocks, and (because I have never owned a bandsaw and know very little about them) I read through the owners manual and re-did the entire set up to better understand the machine and its parts. I got to a point where I thought I was good to go, and I was for awhile but then the blade and tire came off the top wheel. It is tracking fine and it doesn’t come off while it is just running, only when I am cutting. And if it try to make a cut and then come back out of it, forget about it, it drags it right off. Did I miss something in the setup?, is the tire old and needs to be replaced, am I using it incorrectly, I have read about gluing on a tire?... Any help you can give me would be appreciatted. Thanks

-- "Maybe, just once, someone will call me 'Sir' without adding 'you are making a scene'." - Homer Simpson


8 replies so far

View Roger's profile

Roger

19855 posts in 2264 days


#1 posted 12-30-2010 07:08 AM

Are you wheels co-planer? Your tires could be worn. Sounds silly, but, is you blade in so the teeth are cutting down through the board? Is your blade tension correct?? Are you letting the saw do the cutting? In other words, your feed should be slow n smooth. There are many ways to set the tension, and tune your bandsaw.
Check this link out: You may have to copy n paste http://americanwoodworker.com/blogs/tools/archive/2010/03/15/tune-your-bandsaw.aspx

-- Roger from KY. Work/Play/Travel Safe. Keep your dust collector fed. Kentuk55@yahoo.com

View DragonLady's profile

DragonLady

298 posts in 2467 days


#2 posted 12-30-2010 07:11 AM

coming off WHILE you are cutting? but not when just running? The only way I can think of that happening is something pushing on the back of the blade. Recheck your thrust bearings.

Possibly need more tension, too.

-- A woman's work is never done-but power tools help!

View PurpLev's profile

PurpLev

8523 posts in 3108 days


#3 posted 12-30-2010 07:14 AM

the TIRE is coming off?!? never heard that one before, might call for a new tire.

is the tension on the blade high enough? might also be a bit too loose if it comes off THAT easily, but then again, if the tire also comes off, that is probably the culrpit more than anything else. is it the original tire? or does it look like an after market one (maybe it’s the wrong size?!?) any pictures?

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View dbray45's profile

dbray45

3178 posts in 2236 days


#4 posted 12-30-2010 05:52 PM

Sounds like the tires are stretched or wrong size. May want to check the top and bottom guides in the back of the blade. It sounds like the blade starts tracking back on the bottom wheel and following to the top. When it cuts, is it cutting in an arc?

-- David in Damascus, MD

View Loren's profile

Loren

8295 posts in 3107 days


#5 posted 12-30-2010 08:57 PM

Deal with the tire first. It should never come off when the saw is running.
It may be stretched out or something. Some guys glue the tires to the
wheel.

View Steven H's profile

Steven H

1117 posts in 2520 days


#6 posted 12-30-2010 09:40 PM

Forget the rubber tires and change them to urethane tires.
I bought mine at Rockler, Put them on my Grizzly G0555P.
What a big difference!!!

http://www.rockler.com/product.cfm?page=5838

View WAWoodButcher's profile

WAWoodButcher

18 posts in 2576 days


#7 posted 02-12-2011 12:45 AM

Just wanted to say thanks to everyone for your ideas. Ordered urethane tires and they should be here any day. I really hope that works but I will let you know one way or another soon. Thanks again for your help.

-- "Maybe, just once, someone will call me 'Sir' without adding 'you are making a scene'." - Homer Simpson

View WAWoodButcher's profile

WAWoodButcher

18 posts in 2576 days


#8 posted 02-18-2011 11:27 PM

I just wanted to throw a “thank you” out to all that gave me help with my problem. I ordered some urethane tires off of ebay (two for the price of one from Rockler or Woodcraft, and they seem to be good quality) and put those on yesterday. Had to soak them to stretch a little to be able to get them on the wheel, but now that they have cooled down I don’t think I could get them off if I wanted. Did a complete set up (thanks for the link Roger) and started it up. I made some feather boards and cut some curves and I do believe the problem is fixed. Probably a blessing in disguise in that I now know more about how a bandsaw works just from taking it apart and setting it back up, should probably do it with the rest of my machines. Thanks again for your help.

-- "Maybe, just once, someone will call me 'Sir' without adding 'you are making a scene'." - Homer Simpson

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