Indexable insert and associated tool

US5951214A · kind A · utility

Assignee

• Widia GmbH · DE

Inventors

• Gerhard Rothballer · Lehrberg, DE
• Erwin Stallwitz · Lichtenau, DE
• Helmut Storch · Amberg, DE

Key dates

• Filing date: Jul 29, 1996
• Grant date: Sep 14, 1999
• Expiry date: Jul 29, 2016

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T407/235
• WIPO field: Machine tools
• WIPO sector: Mechanical engineering

Abstract

A throwaway carbide indexable insert and associated tool are disclosed with a flat body (2) that has as base a flat supporting surface (3), as well as at least two cutting edges (4, 5) at the side (6) opposite to the supporting surface (3). The essential characteristic of the invention is that the body (2) is square-shaped and that at least one major cutting portion (4a) and at least one minor cutting portion (5a) are provided. The cutting edges (4, 5) of the major cutting portion (4a) and of the minor cutting portion (5a) are inclined in opposite directions in relation to the supporting surface (3). The flank (8) of the major cutting edge (4a) is perpendicular to the supporting surface (3) and the flank (9) of the minor cutting edge (5a) falls back therefrom inclined at an angle with the supporting surface (3).