Title:
切削インサート
Document Type and Number:
Japanese Patent JP7055962
Kind Code:
B2
Abstract:
A cutting insert has a top surface, a bottom surface, and a side surface. The bottom surface is opposite to the top surface. The side surface is contiguous to each of the top surface and the bottom surface. A ridgeline between the top surface and the side surface includes: a nose cutting edge portion having a curved line shape, the nose cutting edge portion having a first end and a second end opposite to the first end; a major cutting edge portion contiguous to the first end; and a wiper cutting edge portion contiguous to the second end. The top surface includes: a first rake face contiguous to the wiper cutting edge portion; a second rake face contiguous to the major cutting edge portion; and a third rake face contiguous to the nose cutting edge portion and contiguous to each of the first rake face and the second rake face. A boundary line between the second rake face and the third rake face is separated from the first end and is contiguous to the major cutting edge portion.
Inventors:
Hiroki Matsubara
Fukuyama Hosho
Shota Takemura
Shota Tsujimoto
Naoki Matsuda
Fukuyama Hosho
Shota Takemura
Shota Tsujimoto
Naoki Matsuda
Application Number:
JP2021509442A
Publication Date:
April 19, 2022
Filing Date:
March 24, 2020
Export Citation:
Assignee:
Sumitomo Electric Hardmetal Corp.
International Classes:
B23B27/14; B23B27/16; B23C5/20
Domestic Patent References:
| JP2013091152A | ||||
| JP2019042816A | ||||
| JP2008194793A | ||||
| JP2001219315A | ||||
| JP2003260607A | ||||
| JP2007144625A | ||||
| JP2008213078A | ||||
| JP2016030298A | ||||
| JP2017100249A | ||||
| JP2017164900A | ||||
| JP2006528086A | ||||
| JP2008254129A | ||||
| JP2014046444A | ||||
| JP2017154235A | ||||
| JP2017159440A |
Foreign References:
| WO2012046556A1 | ||||
| EP3315235A1 | ||||
| WO2010114094A1 | ||||
| WO2015080168A1 | ||||
| WO2016043029A1 | ||||
| WO2017051471A1 |
Attorney, Agent or Firm:
Fukami patent office
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