Title:
THROW-AWAY CHIP
Document Type and Number:
Japanese Patent JP2006272548
Kind Code:
A
Abstract:
To provide a general-purpose breaker of a throw-away chip capable of coping with a wide range of cutting and feeding.
A breaker groove 7 along a cutting blade 6 is on a top face 2 of a chip 1, and the breaker groove 7 is formed of a protrusion 8 extending from the center at a corner 3a. The tip of the protrusion 8 shows an indented shape surrounding the corner seen from a plane, and has a standing face projecting to be longest near the cutting blade from two peaks of the protrusion showing the indented shape. The standing angle of the corner is 10-30 degrees. The standing face which is the bottom of the protrusion is formed farther than the cutting blade as it is separated from the corner.
Inventors:
DEGUCHI NOBUYUKI
Application Number:
JP2006187297A
Publication Date:
October 12, 2006
Filing Date:
July 07, 2006
Export Citation:
Assignee:
TUNGALOY CORP
International Classes:
B23B27/22
Domestic Patent References:
| JPH08508684A | 1996-09-17 | |||
| JPH0362708U | 1991-06-19 |
Foreign References:
| WO1995032071A1 | 1995-11-30 |