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A disk sander is a machine that uses flat, circular disks coated with abrasive material to smooth surfaces, particularly wood. It's a type of portable power tool used for smoothing, polishing, or cleaning surfaces of materials like wood, plastic, or metal. Disk sanders can also prepare surfaces by roughening them before applying a finish.12

In a disk sander, an abrasive disk is attached to a shaft. This shaft is driven by bevel gears, causing the disk to rotate around an axis that is perpendicular to the motor shaft.1

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