FIELD: grinding cylindrical wheels by abrasive worm. SUBSTANCE: proposed machine is provided with rest, abrasive worm drive, grinding head with drive, dressing mechanism with drive box, adjusting members, hydraulic stepping motors Located in division chains, radial and vertical feed chains and gear generation chain; their adjusting members are provided with hydraulic pulse generators ensuring required gear ratio in said chains corresponding to ratio of pulse frequencies related with rated number of working slits on revolving bushes of hydraulic pulse generators. EFFECT: simplified construction of kinematic chains; enhanced precision; reduced usage of metals. 1 dwg
