HOB CUTTER Russian patent published in 2000 - IPC

FIELD: machining of toothed wheels. SUBSTANCE: hob cutter has cutting teeth reduced in width, every other tooth alternating over turn with cutting teeth characterized by lower height. In this case, common section of profiles of every tooth is positioned on straight line. To enhance strength and efficiency and to reduce labour intensity, the above-indicated straight line forms cutting edges shaped as facets. Radius of intersection point of facet and teeth lowered in height and angle of slope of facet to side profile are determined by the given formula. EFFECT: enhanced efficiency. 5 dwg, 1 tbl