Title:
CUTTING INSERT AND CUTTING EDGE REPLACEMENT-TYPE ROTATING CUTTING INSTRUMENT
Document Type and Number:
WIPO Patent Application WO/2014/050438
Kind Code:
A1
Abstract:
An objective of the present invention is to provide a cutting insert (1) which is suitable for 90° shoulder cutting. A cutting insert (1) comprises: two first and second end faces (2, 3); a circumference side face (4) which extends therebetween; and a cutting blade (6) which is formed at an intersection ridgeline part of the first end face and the circumference side face. The cutting blade (6) is formed such that the first end face (2) functions as a rake face and a portion of the circumference side face (4) functions as a flank face. Side face parts (15) of the circumference side face, which are adjacent to at least a portion the cutting blade (6), comprise, in order from the first end face side toward the second end face side, a first flank face part (18) which is adjacent to the cutting blade, a second flank face part (19), a third flank face part (20), and a fourth flank face part (21).
Inventors:
SHIOTA YUSUKE (JP)
ASO TAKAHIRO (JP)
ASO TAKAHIRO (JP)
Application Number:
PCT/JP2013/073422
Publication Date:
April 03, 2014
Filing Date:
August 30, 2013
Export Citation:
Assignee:
TUNGALOY CORP (JP)
International Classes:
B23C5/20; B23C5/10
Foreign References:
| JP2007144625A | 2007-06-14 | |||
| JP2010515589A | 2010-05-13 | |||
| JP2006205298A | 2006-08-10 | |||
| JP2008254128A | 2008-10-23 | |||
| JP2008254129A | 2008-10-23 | |||
| JP2008213078A | 2008-09-18 |
Other References:
See also references of EP 2902144A4
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)
Download PDF: