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Title:
ROTARY CUTTING TOOL
Document Type and Number:
WIPO Patent Application WO/2023/281889
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a rotary cutting tool having excellent chipping resistance, and a stable lifespan. In a rotary cutting tool of the present invention that solves the above problem, a rake face is composed of one face, a cutting edge angle is greater than 0° and less than 90°, a true rake angle is between -42° and -13° inclusive, and an inclination angle of a major cutting edge is greater than or equal to -5° and less than +5°. In particular, a flat drag 22 preferably has a protruding round shape.

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Inventors:
YAMADA YASUNARI (JP)
Application Number:
PCT/JP2022/016737
Publication Date:
January 12, 2023
Filing Date:
March 31, 2022
Export Citation:
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Assignee:
KANEFUSA KNIFE & SAW (JP)
International Classes:
B23C5/06
Domestic Patent References:
WO2015076216A12015-05-28
Foreign References:
JPH08323510A1996-12-10
JPS5847422U1983-03-30
JPS4824462B11973-07-21
JPH037411U1991-01-24
JPS51102877U1976-08-18
JPS5399586A1978-08-31
JP2005118960A2005-05-12
Attorney, Agent or Firm:
KYORITSU INTERNATIONAL (JP)
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