Tool holder with nubs for clamping a cutting insert with notches
AssigneeKennametal Inc.
InventorsJohn Julius Baca, JR., Ashwin Dwarakaesh Murali, Kent Peter Mizgalski
Life of this patent
Estimating the term…
Abstract
A tool holder includes a tool holder body with an insert-receiving pocket and a clamp for clamping a cutting insert. The clamp includes a pair of downwardly extending nubs that engage a pair of notches in the cutting insert when the clamp is brought into pressing engagement with the insert, thereby securely clamping the cutting insert in the insert-receiving pocket of the tool holder.
Claims12
A tool holder for clamping a cutting insert having a pair of notches, the tool holder comprising:
- a tool holder body including an insert-receiving pocket formed at a forward end thereof and having a bottom and at least one side wall for receiving the insert;
- a clamp arranged on the tool holder body, the clamp including a top surface, a forward lower face and a rearward lower face, and an aperture formed therethrough, the clamp including a nose portion with a pair of downward extending nubs;
- and
- a clamp screw capable of being inserted through the aperture of the clamp and at least partially received in a clamp-securing bore of the tool holder body to bring the clamp into pressing engagement with the insert,
- wherein the pair of nubs of the clamp engage the pair of notches in the cutting insert when the clamp is brought into pressing engagement with the insert, thereby securely clamping the cutting insert in the insert-receiving pocket of the tool holder.
A cutting insert for a tool holder comprising a pair of notches formed in the insert, each notch having a forward surface, a rearward surface and root therebetween, each root having a minimum radius.
A method of clamping a cutting insert to a tool holder, the insert including a pair of notches, the tool holder including a clamp having a pair of nubs extending downward from a nose portion, the method comprising the steps of:
- placing the cutting insert within an insert-receiving pocket of the tool holder;
- aligning an aperture of the clamp with a clamp-securing bore of the tool holder;
- and
- inserting a clamp screw into the aperture of the clamp such that the clamp screw is at least partially received in the clamp-securing bore of the tool holder to bring the clamp into pressing engagement with the insert,
- wherein the pair of nubs of the clamp engage the pair of notches in the cutting insert when the clamp is brought into pressing engagement with the insert, thereby securely clamping the cutting insert in the insert-receiving pocket of the tool holder.
Dependencies are inferred from the claim text.