CUTTING AND MACHINING DEVICE AND CUTTING AND MACHINING METHOD

WIPO Patent Application WO/2016/125730

A1

This cutting and machining device cuts off an end section (3) of a plate material (1) and obtains a material to be machined, by using a first cutting blade (101) and a second cutting blade (102) that relatively approach each other, and comprises: a first contact section (104) and the first cutting blade (101) that sandwich a section of the plate material to be machined, from the front and rear surfaces thereof; the second cutting blade (102) and a second contact section (105) that sandwich an end material section of the plate material, from the front and rear surfaces thereof; and a drive unit that, while holding the section of the plate material to be machined and the end material section of the plate material in a flat state whereby said sections are upon the same plane, causes the first cutting blade (101) and the second cutting blade (102) to start relatively approaching each other.

JP2022031207	SHEAR PROCESSING DEVICE AND MANUFACTURING METHOD OF PROCESSED MATERIAL USING THE SAME
JPS6272438	WORKING DEVICE FOR PUNCHING PLATE MATERIAL
JP2009078300	METHOD AND DEVICE FOR MANUFACTURING STAMPING PARTS WITH LARGELY SMOOTH CUTTING PLANE AND ENLARGED FUNCTIONAL SURFACE

NISHIMURA RYUICHI (JP)
ITO YASUHIRO (JP)
NAKAZAWA YOSHIAKI (JP)

PCT/JP2016/052888

August 11, 2016

February 01, 2016

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NIPPON STEEL & SUMITOMO METAL CORP (JP)

B21D28/16; B21D28/00; B21D28/02; B23D15/06; B23D33/02; B23D33/08

US7430951B1	2008-10-07
JPH01293922A	1989-11-27
JPH10263721A	1998-10-06
JPH11221628A	1999-08-17

See also references of EP 3254779A4

SHIGA Masatake et al. (JP)
Masatake Shiga (JP)

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