Patent ID: 8597085
Filing Date: 2013-12-03
Classification: B24B

Abstract:
1. A full profile dressing roll for dressing multi-start grinding worms for the generation grinding of small-module gears, the dressing roll having a central longitudinal axis, the dressing roll comprising: a carrier; a coating of hard material grains on the carrier, the coating defining an outer envelope surface of the dressing roll, the outer envelope surface having a groove-shaped profile when viewed in a section along the longitudinal axis, the grooves extending in a circumferential direction perpendicular to the longitudinal axis, the outer envelope surface, in the region of the grooves, having tip portions and root portions, the tip portions and root portions being connected by flank portions; and profile combs made of a profile-cut hard material, the profile combs being embedded in the carrier, each profile comb extending longitudinally and interrupting the coating in a circumferential direction, each profile comb having a multi-ribbed rack tooth profile when viewed in a section along the longitudinal axis, the rack tooth profile touching only selected portions of the outer envelope surface while being set back from at least the flank portions of the outer envelope surface.