METHOD OF DISK ROLLING CUTTERS MULTIPLE USAGE Russian patent published in 1996 - IPC

FIELD: mining, production of mining machines used for mineral resources production and for workings making. SUBSTANCE: in method of multiple usage of disk rolling cutters periodical according to wearing change of disks position in respect to rock mass is exercised by increasing inclination angle of each disk rear plane to plane of destruction. Increase of inclination angle of each disk rear plane is exercised by usage of interchangeable rock crushing crown bits with bearings mounted on axis of executive organ with capability to increase inclination of axis of each disk rotation. EFFECT: increased productivity, decreased costs. 2 cl, 1 dwg