Title:
応力スプリッタを備えた切削工具
Document Type and Number:
Japanese Patent JP5081159
Kind Code:
B2
Abstract:
A cutting tool includes a tool body having a plurality of insert receiving pockets and at least one cutting insert mounted in each pocket. Each pocket includes a pocket base wall, a side wall and a stress relief groove. The tool body also includes a top surface including a first portion and a second portion, and a stress splitter that extends from the stress relief groove and intersects the first and second portions. The stress splitter may be in the form of a sharp peak or ridge, a radiused peak, rounded mass or protuberance, and the like. The stress splitter reduces a maximum amount of stress in an area of the stress relief groove during a machining operation.
More Like This:
| JP3192149 | Combination milling cutter |
Inventors:
Long, Thomas, Jay.
Kovac, Jeffrey, F.
Frota des soza, louis
Kovac, Jeffrey, F.
Frota des soza, louis
Application Number:
JP2008541224A
Publication Date:
November 21, 2012
Filing Date:
November 07, 2006
Export Citation:
Assignee:
Kennametal Inc.
International Classes:
B23C5/10
Domestic Patent References:
| JP8071830A | ||||
| JP2004174684A | ||||
| JP5070820U |
Foreign References:
| WO2005070629A1 |
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Katsuichi Nishimoto
Kato Kazunori
Katsuichi Nishimoto