Patent ID: 6604894
Filing Date: 2003-08-12
Classification: B23C,Y10T

Abstract:
A rotatable cutting tool having a shank portion and a cutting portion defining an axis of rotation, the cutting portion comprising an insert mounting disk having a plurality of peripheral recesses to receive replaceable cutting inserts, each recess comprising at least one seating surface for a cutting insert and circumferentially opposing faces, each of the opposing faces constituting an integral part of the disk and extending completely through the disk from a first axially facing side thereof to a second axially facing side thereof, the insert mounting disk having a central bore and, in a first side thereof, a plurality of radial grooves, at least one radial groove connecting each peripheral recess with the central bore, and, in a second side thereof, a concave portion formed in the second side and surrounding the central bore, the disk being removeably mounted to the shank portion by a clamping means for deforming the disk by flattening the concave region, deformation of the disk narrowing the gap between the opposing faces of each peripheral recess, gaps of all said peripheral recesses being concurrently narrowed, whereby inserts are releasably retained by forces exerted thereon by the opposing faces.