DRESSING METHOD FOR DRUM-SHAPED GEAR-LIKE GRINDSTONE

摘要

The purpose of the present invention is to provide a disk dresser and a dressing method for a drum-shaped gear-like grindstone that enables high-precision dressing of a drum-shaped gear-like grindstone and enables the shape of the cutting teeth of the gear-like grindstone to be changed without changing the shape of the cutting teeth of the disk dresser. In order to achieve the foregoing, in a dressing method in which a drum-shaped gear-like grindstone (12) that grinds a workpiece (W) is brought into linear contact with the workpiece (W) so as to link with the contours of the tooth right angle cross-section orthogonal to the twist direction of the workpiece teeth (Wa), and the gear-like grindstone (12) and a disk dresser (14), in an engaged state, are caused to rotate synchronously, thereby causing the drum-shaped gear-like grindstone (12) to be dressed by the disk dresser (14), the disk dresser (14) blade shape is made to match the tooth right angle cross-section shape of the teeth (Wa) of the ground workpiece (W), the gear-like grindstone (12) and the disk dresser (14) are caused to move and revolve in accordance with the drum shape and the angle of twist of the gear-like grindstone (12).