Reply by MrRon

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Posted on Why does my bandsaw blade track towards the front of the wheel?

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5718 posts in 3756 days

#1 posted 06-25-2017 06:07 PM

A band saw s wheels are supposed to be co-planar once it leaves the factory. Tilting the upper wheel is the only way to adjust tracking. In order to adjust for co-planar wheels is to add shims to the upper arbor. This will take care of any slight deviation from factory setting. Usually the factory setting is close enough to not be a problem, but if the wheels are off by a big amount, say 1/8” or more, then the wheels should be re-aligned for a co-planar condition.

- MrRon

I still stand by my previous statement (see above), but a book written by Mark Duginske presents a very compelling reason to have band saw wheels co-planar. The following is taken from his book:

“Coplanar wheels greatly improve band-saw performance by improving its efficiency. The wheels work together rather than competing with each other.The blade can track itself without any unneeded interference. Thus, when wheels are coplanar, there is less vibration, more accuracy, more power, and less lead and wandering. It will be easier to get good results without having to overtension the blade. There is better performance from blades larger than 1/4 inch. You will notice this when you are resawing and making straight cuts.”

Mark is a respected practitioner of the band saw and I can’t dismiss his most convincing treatise on band saws

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