END MILL Russian patent published in 1994 - IPC

FIELD: machine tool engineering, tools. SUBSTANCE: cutting units with holders are fastened in slots of the end mill body, cutting plates are positioned on mounting pins of the holders. Each cutting unit is made in the form of a spring-loaded bush and a screw with a spherical end and riflings on it positioned in the cutting unit. Longitudinal sphere-shaped slots with riflings are made on the body. Each holder is made sphere-shaped with riflings and is positioned in a similar slot of the body for engagement with the riflings of the spheroidal end of the screw. Screws for radial engagement with the spring-loaded bushes are positioned on the body along the diameter in two rows. EFFECT: improved structure. 2 dwg