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Get more life from abrasives

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Slow things down
Round sanding disk
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Though most disc sanders run
at single speeds, the abrasive
at the outer edges of the wheel
moves much faster than the center.
Simply adjust the position of your
workpiece to eliminate burning.

Slow things down

High disc speeds create loads of friction, and the resulting heat draws resin from the wood, rapidly clogging the abrasive. A combination of a gummed-up disc and high RPMs can cause black marks or burnishing on the wood -- where wood fibers compress until the surface becomes glossy and won't accept finish. Burn marks on your workpiece and black residue on your disc can also be signs of too-high speeds.

Continued on page 3:  Apply a cleaning solution


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