| 摘要 |
PURPOSE:To exchange a pressure pad to push a sanding belt to a work in a short time automatically by providing several pressure pads on a fixing member capable of dividing rotation in accordance with the shape of grinding. CONSTITUTION:A sanding belt 4 is supported by a guide pulley 2 and a tension pulley 3 and rotated by a drive pulley 1 for giving a polishing process to the surface of a work. In accordance with the shape of the surface of the work of a wooden product or the like, several pressure pads 5 are prepared, and fixed on a fixing member 13 capable of dividing rotation. When a pressure pad 5 is selected and divided in accordance with the shape of grinding, a slider 12 is advanced by an air actuator 14, and the pressure pad 5 is pushed to the belt 4 for giving a polishing process of a fixed shape. |
