| 摘要 |
<p>A machine for the grinding of external rings of roller bearings, in particular for rolling mills, comprising a base (41) which essentially carries a grinding group comprising a wheelhead (45) and a grinding spindle (48) for a grinder (32) and a supporting group of a bearing comprising supports (49,50; 51,52) for a roller bearing (11) to be ground, in said machine, an external ring (20) of said roller bearing (11) is positioned facing said grinder (32), and in said machine, there are two movable supports (49,50) in the supporting group of a bearing, activated by a control actuator (54), to each of which a supporting spindle (51,52) of a complete roller bearing (11) to be ground, is fixed, wherein each spindle is engaged- in a part of a hole of an inner ring (14) of the bearing (11), so as to support the roller bearing (11), wherein either the grinding group or the supporting group of a bearing is fixed and the other movable, and vice versa.</p> |
