CUTTING INSERT FOR GROOVE-CUTTING WORK - SANDVIK INTELLECTUAL PROPERTY

Title:

CUTTING INSERT FOR GROOVE-CUTTING WORK

Document Type and Number:

Japanese Patent JP2009056594

Kind Code:

A

Abstract:

To provide a cutting insert capable of improving surface finish of a groove formed in a machining member.

A cutting insert for groove cutting includes cutting heads in a center shaft portion and at an end portion, and the shaft portion includes side faces (5, 6) adjacent to an upper face (1) and a bottom face (2), and a main cutting blade (8a) is formed at an intersection between the upper face and a front flank (3). The main cutting blade (8a) extends to a secondary cutting blade (8B) on both sides. A front end face of each cutting head has an upper flank (18), and the upper flank extends to a lower side face (20) through an inner dent face (19), and this lower side face moves toward an axially inside direction by a prescribed amount, and has a width equal to or narrower than a front width (d) of the cutting head.

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JP5074772	Surface coating cutting tool
JP5390025	Inner diameter groove insert and tool holder for it

Inventors:

TAEGTSTROEM PAER
HANSSON PER
ANDERSSON CLAES

Application Number:

JP2008319439A

Publication Date:

March 19, 2009

Filing Date:

December 16, 2008

Export Citation:

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Assignee:

SANDVIK INTELLECTUAL PROPERTY

International Classes:

B23B27/14; B23B27/04; B23B27/16

Domestic Patent References:

JPH08229709A

1996-09-10

Foreign References:

EP0802006A1

1997-10-22

Attorney, Agent or Firm:

Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Nakamura Asayuki
Nagasaka Tomoyasu

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