Patent ID: 8771043
Filing Date: 2014-07-08
Classification: B24B,B24D

Abstract:
1. A rotary dresser comprising: a roll having an outer circumferential surface including a first portion that varies in diameter relative to an axial position along a longitudinal axis of the roll and provides an arc portion or inclined portion of the outer circumferential surface; a plurality of diamond abrasive grains embedded on the first portion of the outer circumferential surface of the roll, wherein a number of diamond abrasive grains in a circumferential direction for each of a plurality of equal widths of the first portion is a first number that is constant for the plurality of equal widths, wherein the plurality of equal widths of the first portion extend along the longitudinal axis of the roll from a first end of the first portion to a second end of the first portion, wherein for each of the plurality of equal widths, an interval in the circumferential direction between respective diamond abrasive grains is fixed, and wherein the interval varies based on an axial position along the longitudinal axis of a respective equal width.