LATHING TOOL - SUMITOMO ELECTRIC HARDMETAL CORP

Title:

LATHING TOOL

Document Type and Number:

WIPO Patent Application WO/2020/031871

Kind Code:

A1

Abstract:

A lathing tool, which is used for lathing, is provided with a holder part and a cutting edge part that is fixed on the holder part. The cutting edge part is made of synthetic monocrystalline diamond. The cutting edge part comprises a rake face, a flank, and a cutting edge disposed on the intersection where the rake face and the flank intersect, and has a nose R, the radius of curvature of which is 0.1-1.2 mm. The nose R satisfies the condition that the direction of the intersection line between the cross-section that bisects the vertex angle thereof with the rake face is within ±10º of the <110> orientation and/or is within ±10º of the <100> orientation of the synthetic monocrystalline diamond.

Inventors:

UEDA AKIHIKO (JP)
NOHARA TAKUYA (JP)
KOBAYASHI YUTAKA (JP)

Application Number:

PCT/JP2019/030411

Publication Date:

February 13, 2020

Filing Date:

August 02, 2019

Export Citation:

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Assignee:

SUMITOMO ELECTRIC HARDMETAL CORP (JP)

International Classes:

B23B27/14; B23B27/00; B23B27/20; C01B32/25; C23C16/01; C23C16/27; C30B29/04

Domestic Patent References:

WO2016171201A1	2016-10-27
WO2014003110A1	2014-01-03

Foreign References:

JPH03228504A	1991-10-09
JP2003062707A	2003-03-05
JPH02198704A	1990-08-07
JPH06126512A	1994-05-10
JPH06190609A	1994-07-12
JP2007181882A	2007-07-19
JP2003175408A	2003-06-24
JP2018147806A	2018-09-20

Other References: