MACHINE FOR FABRICATION OF JEWELRY Russian patent published in 2010 - IPC B24B9/16 

FIELD: machine building.

SUBSTANCE: machine consists of bed, of live head with chuck designed for placement of abrasive cylinder tool, of dead head and of carriage with platform. Facility for vertical displacement of treated item is attached to the platform of the carraige by means of a fixing platform. The said facility has a nut with female thread and a stop screw, a bushing with male and female threads and the stop screw, a platform bushing with internal hole, male thread and the stop screw, a platform limb with points from 0° to 360°, an axial pin with the reference limb and the platform for attaching a processed item. The reference limb of the axial pin has points in every 30° or 22.5°.

EFFECT: facilitating vertical displacement of item for processing jewelry with cylinder facets.

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