Metal cutting tool and cutting plate provided in the shape of a donut

摘要

A metal cutting tool has a supporting tool, which has a recess for accommodating a cutting plate. The cutting plate is provided with a damping trough, which is held in the supporting tool by a clamping claw. The clamping claw is fixed against the supporting tool by a clamping screw. A pressure piece is placed on the clamping claw and its underside facing the cutting plate is provided with a cam, which is in contact with the clamping trough and the clamping claw pulls the pressure piece toward the clamping screw.

主权项

1. A clamping device to clamp a circular cutting insert on a chip raising cutting tool comprising:
a clamp; a pressure piece a supporting tool having a circular recess to receive said cutting insert, a set screw for affixing said clamp on said supporting tool by a set screw, wherein said pressure piece is disposed on said clamp, wherein said pressure piece has a bottom side facing a surface of said cutting insert which comprises a spherical elevation on said surface of said cutting inert and a circular ring surrounding said spherical elevation; wherein said bottom side of said pressure piece facing said cutting insert has a circular cam thereon which engages a clamping trough of said cutting insert when in a clamped position.