DEVICE FOR MICRO FEED OF BILLETS IN GRINDING Russian patent published in 2011 - IPC B24B47/20 

FIELD: process engineering.

SUBSTANCE: invention relates to machining, particularly, to billet precise feed and grinding. Proposed device comprises billet clamp arranged on upper plate, force element made up of retainer and rod, two cylindrical guides, springs to return upper plate in initial position and to take up play, four wedges arranged in pairs in opposition and rigidly secured on upper and lower plates, and four balls. The latter are arranged on guide wedges to move therein and fitted in two plates secured on opposite ends of force element. Force element retainer accommodates geared motor to vary force element length. Eccentric is arranged on geared motor shaft between rod and retainer of force element.

EFFECT: higher accuracy and reliability.

2 dwg