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Bandsaw tracking driving me crazy!

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Forum topic by crsowa posted 03-23-2013 08:28 PM 658 views 0 times favorited 6 replies Add to Favorites Watch
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crsowa

11 posts in 737 days


03-23-2013 08:28 PM

Topic tags/keywords: question help bandsaw

So, I recently acquired an old AMT (Taiwanese Delta knock off) 14” bandsaw on the cheap and I just bought a new blade for it yesterday. Got it on and can’t seem to get the bottom wheel to track properly. The top tracks fine down the center, but the on the bottom, the blade tracks all the way to the front of the tire to where it slips off within a oupe of seconds of tuning it on.I believe I have the tension adjusted properly, and I backed off on all of the guides. It came with a 3/8” or 1/2” 14TPI blade, i bought a 1/4” 6TPI blade for cutting some curves in the oak feet or my workbench project. The case on the saw says 92.5” max blade, I put on a 93.5” blade as it is more readily available and I have read on the SMC forums of others doing the same. On a possibly related note, if I turn the wheels backward, the blade seems to track fine on the bottom wheel…

Any help or suggestions would be greatly appreciated, as it is the weekend (my woodshop time) and this debacle has thwarted my plans to finish my new workbench… I will try to answer any other questions or provide more details if needed, thanks,

-Chris

-- Chris, "I love the smell of fresh cut cedar in the morning"


6 replies so far

View kdc68's profile

kdc68

2070 posts in 1023 days


#1 posted 03-23-2013 08:50 PM

Just a guess….Try looking at the coplaner of the upper and lower wheel. A long straight edge placed along both wheels. Straight edge should full contact with each wheel. If not, adjust the upper wheel until in alignment…good luck

-- Measure "at least" twice and cut once

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JustJoe

1554 posts in 784 days


#2 posted 03-23-2013 08:56 PM

If you can take the table off it may make it easier to check to make sure the wheels are in the same plane with a straightedge. You need to adjust so that a long straightedge will touch both wheels in two places (four points total contact). Wheels not in alignment are the reason the blade comes off so fast, but you should also check the rubber/urethane covering the wheels – if it’s worn unevenly that can cause tracking problems.

Edit: You say you’ve got a slightly longer blade on it – you are still able to get it tight right? Tight as in the blade rings and there’s only a bit of flex and you still have room on the tensioner, you haven’t maxed it out? A loose blade will never stay on, no matter how perfectly aligned the wheels are.

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crsowa

11 posts in 737 days


#3 posted 03-23-2013 09:12 PM

Ordering new tires, these were fairly worn.
Will check if wheels are coplaner tonight.
Tensioner not maxed out. Gets pretty tight.
Going to get back at after the kids go to bed..

-- Chris, "I love the smell of fresh cut cedar in the morning"

View Greg..the Cajun Wood Artist's profile

Greg..the Cajun Wood Artist

5261 posts in 2054 days


#4 posted 03-23-2013 11:02 PM

Some good bandsaw info

-- Each step of every Wood Art project I design and build is considered my masterpieceā€¦ because I want the finished product to reflect the quality and creativeness of my work

View Woodendeavor's profile

Woodendeavor

228 posts in 1352 days


#5 posted 03-24-2013 12:55 AM

I would try the blade size that it suggests. I order from Hal Taylor, www.buyfromawoodworker.com

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runswithscissors

1232 posts in 771 days


#6 posted 03-24-2013 01:20 AM

It is possible for the lower wheel to be off; I’ve seen it happen. Everybody assumes problems are due to the top wheel, because it’s adjustable. If nothing else works, see if it’s possible to tweak the bottom wheel, maybe shim it a little.

-- I admit to being an adrenaline junky; fortunately, I'm very easily frightened

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