Metal cutting tool and cutting plate provided in the shape of a donut
AssigneeCeramTec GmbH
InventorsOtto EDER, Wolfgang ZITZLAFF
Life of this patent
Estimating the term…
Abstract
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.
Claims4
1-15. (canceled)
A clamping device to clamp a cutting insert on a chip raising cutting tool comprising:
- a clamp;
- a pressure piece
- a supporting tool having a recess to receive the cutting insert, wherein the cutting insert has a clamping trough and a spherical elevation a surface thereof,
- a set screw for affixing the clamp on the supporting tool by a set screw, wherein the pressure piece is disposed on the clamp, wherein the pressure piece has a bottom side facing the cutting insert;
- wherein the bottom side if the pressure piece facing the cutting insert has a circular cam thereon which is contacts the clamping trough of the cutting insert when in a clamped position, and wherein the cam comprises a circular ring for engaging the spherical elevation the cutting insert.
A clamp for use on a cutting tool comprising:
- a supporting tool having a recess to receive a cutting insert having a clamping trough;
- a set screw;
- a clamp which holds the cutting insert in the clamping tool, wherein the clamp is affixed on the supporting tool by the set screw;
- a pressure piece having a side facing the cutting insert, wherein the pressure piece is disposed on the clamp:
- a cam, wherein said cam is on the side racing the cutting insert, wherein said cam is formed to contact the clamping trough of the cutting insert when in a clamped position, and wherein the cam comprises on a surface thereof a circular ring for engaging an elevation in the clamping trough of the cutting tool, and has a bearing surface that rises at an angle towards the center of said ring.
A device for receiving a cutting insert comprising:
- a supporting tool having a recess to receive a cutting insert having a clamping trough;
- a set screw;
- a clamp which holds the cutting insert in the clamping tool, wherein the clamp is affixed on the supporting tool by the set screw;
- a pressure piece having a side facing the cutting insert, wherein the pressure piece is disposed on the clamp;
- a cam, wherein said cam is on the side facing the cutting insert, wherein said cam is formed to contact the clamping trough of the cutting insert when in a clamped position,
- wherein the cam comprises a circular ring for engaging an elevation in the clamping trough of the cutting tool, and
- wherein an open region is provided on a surface of said cam.
Dependencies are inferred from the claim text.