| 摘要 |
Disclosed is a drum sander having a frame with a workpiece support surface thereon. A motor is mounted on the upper end of the frame over the workpiece support surface. An arbor extends between the motor and a supporting thrust bearing to intersect the workpiece support surface. The arbor is preferably provided with a sleeve which is slidable along the arbor so as to expose different portions of the abrasive surface of the sleeve. The abrasive surface such as sandpaper is preferably adhered to the outside cylindrical surface of the sleeve. Securement mechanisms are used to securely fix the axial position of the sleeve along the arbor. The drum sander can alternatively be fitted with a file which rests within an insert mounted in the workpiece support surface in lieu of the arbor and sleeve arrangement.
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