Title:
CUTTING INSERT AND CUTTING TOOL ON WHICH SAME IS MOUNTED
Document Type and Number:
WIPO Patent Application WO/2019/143018
Kind Code:
A1
Abstract:
A cutting insert of the present invention comprises: an upper surface and a lower surface; first and second lateral surfaces; first and second cutting edge parts; and corner cutting edges, wherein the first cutting edge part includes: a first main cutting edge for forming one end at a portion spaced farthest away from the corner cutting edge; a first sub-cutting edge connected to the corner cutting edge; and a first auxiliary cutting edge for connecting the first main cutting edge and the first sub-cutting edge so as to form a step between the same, and the first sub-cutting edge and the corner cutting edge form one straight line when viewed toward the first lateral surface, and are inclined upward in the direction opposite to the direction toward the lower surface while gradually going in the direction toward the second cutting edge part.
Inventors:
OH MIN SEOK (KR)
NAM KI CHAN (KR)
LEE BYEONG YUN (KR)
KIM HYO SAN (KR)
KIM YOUNG HEUM (KR)
NAM KI CHAN (KR)
LEE BYEONG YUN (KR)
KIM HYO SAN (KR)
KIM YOUNG HEUM (KR)
Application Number:
PCT/KR2018/015356
Publication Date:
July 25, 2019
Filing Date:
December 06, 2018
Export Citation:
Assignee:
KORLOY INC (KR)
International Classes:
B23C5/20
Foreign References:
| JP2001009628A | 2001-01-16 | |||
| JP2009202324A | 2009-09-10 | |||
| JPH07246505A | 1995-09-26 | |||
| KR101631675B1 | 2016-06-17 | |||
| KR20160019952A | 2016-02-22 | |||
| JP2002178210A | 2002-06-25 |
Attorney, Agent or Firm:
MI PATENT AND LAW FIRM (KR)
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