Reply by richgreer

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Posted on bandsaw blades bending.

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4541 posts in 3039 days

#1 posted 07-01-2010 03:01 PM

You have to start with your wheel alignment. That is what causes the blade to track to the back. Your top wheel is tilted back. Adjust the wheel alignment until the blade is tracking in the middle.

If you are setting your tension based on the markings on the side of the saw you are probably okay in that regard. Normally, those indicators under-tension the blade which is okay for now. It’s rare that anyone over tightens a band saw blade (but I have done it – long story).

Experienced bandsaw users know how to set tension based on the feel or the sound when the pluck the blade. If it is an option, borrow or buy a tension gauge to get the true story and, in doing so, you will know how to set the tension in the future.

Once the blade is tracking in the center with reasonably good tension, set the guide bearings and/or blocks. The bearings and/or blocks should be barely touching (or almost touching) the blade but exerting no pressure on the blade.

-- Rich, Cedar Rapids, IA - I'm a woodworker. I don't create beauty, I reveal it.

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