| 摘要 |
<p>The present invention relates to a sanding disk for superfinishing machines, including improved coupling means, which disk comprises a disk body (1) having a central hole (3) and supporting, on a face thereof, an annular region (2) made of an abrasive material. The main feature of the invention is that, in the above hole (3), there is provided a threaded bush (10) engageable with the threaded end piece or mandrel of a superfinishing machine and which can be made rigid with the disk body (1) by means of a mechanical deformation of an axial portion (11) of the threaded bush (10), on an annular abutment element (20) which can be applied on the opposite face of the disk body. <IMAGE></p> |
