Tape tames belt tracking
Tape helps stop sanding belts from sliding off the roller on a stationary belt sander.
Sanding belts on my stationary belt sander consistently slipped off the roller despite my attempts at adjusting the tracking. After discovering that most sander rollers—but not mine—have a crown in the center, I wrapped a few turns of vinyl electrical tape around the center of the idler roller. It doesn't take much to create a crown. Just make sure to wrap the tape in the same direction as the belt rotation to keep it from working loose. The tape lasts a long time before it needs to be replaced.
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