| 摘要 |
The invention concerns a device for abrading a wall of stone or concrete material. The invention comprises a shell (2) with which is operationally connected an abrading head (1), and a carriage intended to move at least along the surface and support the shell (2) movably so that the abrading head (1) by means of the movement of the shell (2) performs an upward and downward abrading movement. The abrading head (1) is of the type which has a rotatably mounted and driven planet wheel with a number of driven abrading discs rotatably mounted thereon and fitted with abrading elements. The device has an element for placing the abrading head (1) with a predeterminable force against the surface to be abraded. |
