Dressing method, dressing device, grindstone and grinder

摘要

Provided is a grindstone and a grinder capable of suppressing the occurrence of chatter and the like on the surface of a work material in grinding. Therefore, the grindstone used for the grinding machine includes a plurality of first spiral grooves provided on the outer peripheral surface and a plurality of second spiral grooves provided on the outer peripheral surface, and the plurality of first spiral grooves of the plurality of first spiral grooves are provided. A plurality of second spiral grooves intersecting with each other. Further, the grinder includes the grindstone. Further, the grinder further includes a movable table having a sliding surface that slides on the fixed surface, and the sliding surface has a plurality of minute recesses formed in a manner to be continuous in the moving direction of the movable table. You may have.