Title:
CUTTING EDGE-REPLACEABLE CUTTING TIP
Document Type and Number:
Japanese Patent JP2013184274
Kind Code:
A
Abstract:
To provide a cutting edge-replaceable cutting tip which is excellent in cutting performance and has high dimensional accuracy.
A cutting edge-replaceable cutting tip formed of a cemented carbide or cermet is constituted of two regions including an outer peripheral part positioned on a surface side and a core part positioned on an inner side than the outer peripheral part. The outer peripheral part has a less content of η phase than a content of η phase contained in the core part.
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Inventors:
OMORI NAOYA
Application Number:
JP2012053146A
Publication Date:
September 19, 2013
Filing Date:
March 09, 2012
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES
International Classes:
B23B27/14; B23C5/16
Attorney, Agent or Firm:
Fukami patent office
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