CUTTING TIP, CUTTING TOOL, AND MACHINING APPARATUS

WIPO Patent Application WO/2019/021410

A1

The cutting tip according to the present invention is provided to a main shaft part so as to protrude in a first direction from the outer peripheral surface of the main shaft part, and is used when cutting a groove in the inner peripheral surface of an object to be cut, wherein: the cutting tip has a plurality of blade parts layered in the first direction; each of the blade parts comprises a first end section that is one end section from among end sections in a second direction perpendicular to the first direction, a second end section that is the other end section among the end sections in the second direction, and a cutting blade that is provided to the first end part and cuts the object to be cut; and the cutting tip is configured such that, when two of the blade parts that are adjacent in the first direction are compared, the tip end of the cutting blade provided to the first end section of the blade part that is further from the main shaft part is disposed closer to the second end section than is the tip end of the cutting blade provided to the first end section of the blade part that is closer to the main shaft part.

JP2002346808	CUTTER UNIT FOR LATHE
WO/2014/034361	TURNING METHOD AND TURNING DEVICE

HANAOKA KOJI (JP)
HONOKI TSUGUO (JP)

PCT/JP2017/027165

January 31, 2019

July 27, 2017

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MITSUBISHI ELECTRIC CORP (JP)

B23B27/02; B23B5/48

JP2000288830A	2000-10-17
JPH08243833A	1996-09-24
JP2009512568A	2009-03-26
JP2009512567A	2009-03-26
JPH0160807U	1989-04-18
JPH01109003A	1989-04-26
JP2017013158A	2017-01-19

KISA PATENT & TRADEMARK FIRM (JP)

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