Title:
CUTTING INSERT AND CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2013/005601
Kind Code:
A1
Abstract:
The invention provides a cutting insert and a cutting tool, which have very strong tool rigidity and are capable of highly efficient cutting, and the production cost per one cutting edge of which is low. For this purpose, a first rake face (4a) and a second seating surface (8a) are provided on the upper surface (2) of the cutting insert (1). A second rake face (4b) and a first seating surface (8b) are provided on the lower surface (3) of the cutting insert. The cutting edge is provided with: a first cutting edge portion (5a) formed at the ridge where the first rake face (4a) and a flank (7) intersect; and a second cutting edge portion (6a) formed at the ridge where the second rake face (4b) and the flank (7) intersect. The first cutting edge portion (5a) is provided at a position opposite the ridge where the first seating surface (8b) and the flank (7) intersect, and the second cutting edge portion (6a) is provided at a position opposite the ridge where the second seating surface (8a) and the flank (7) intersect.
Inventors:
BHAGATH KEDAR SURESH (JP)
Application Number:
PCT/JP2012/066177
Publication Date:
January 10, 2013
Filing Date:
June 25, 2012
Export Citation:
Assignee:
TUNGALOY CORP (JP)
BHAGATH KEDAR SURESH (JP)
BHAGATH KEDAR SURESH (JP)
International Classes:
B23C5/20; B23C5/10
Domestic Patent References:
| WO2010061988A1 | 2010-06-03 |
Foreign References:
| JP2001315021A | 2001-11-13 | |||
| JPS63140315U | 1988-09-14 | |||
| JPH11156625A | 1999-06-15 | |||
| JP2000210809A | 2000-08-02 | |||
| JPH1071521A | 1998-03-17 |
Other References:
See also references of EP 2730360A4
Attorney, Agent or Firm:
TANI & ABE, p. c. (JP)
Patent business corporation A valley and Abe patent firm (JP)
Patent business corporation A valley and Abe patent firm (JP)
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Claims: