Rotary dresser

摘要

A rotary dresser is provided with a roll having an outer circumferential surface which includes an arc portion or inclined portion differing in diameter in dependence on the axial position thereof, and a plurality of diamond abrasive grains embedded on the outer circumferential surface of the roll. The number of the diamond abrasive grains in the circumferential direction is fixed even at any axial position on the outer circumferential surface of the roll.

主权项

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.