| 摘要 |
Sanding accessory for a conventional belt sander or the like, enabling manually held workpieces to be sanded to a super-smooth finish without rounding off their edges. A workpiece held by hand sideways against a fence parallel to the direction of travel of the belt moves forward by belt friction to a crosswise face of the fence and is retained there as the fence reciprocates laterally across the belt and back, sanding the workpiece evenly and distributing the belt wear uniformly over substantially its entire abrasive surface.
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