CUTTING METHOD FOR MANUFACTURING MAGNET PIECES CONSTITUTING FIELD POLE MAGNET PROVIDED IN ROTATING ELECTRIC MACHINE BY CUTTING PERMANENT MAGNET, AND CUTTING DEVICE

WIPO Patent Application WO/2013/129641

A1

　A cutting method for manufacturing magnet pieces constituting a field pole magnet provided in a rotating electric machine by cutting a permanent magnet, the cutting method comprising: a step for conveying a magnet having a weak section on a lower surface thereof which is along a position to be cut, while the magnet is supported from below at two fulcrum points, to a position at which the weak section is disposed between the two fulcrum points; and a step for cutting the magnet into a post-cutting magnet and a magnet piece smaller than the post-cutting magnet by pressing the magnet from above at the weak section between the two fulcrum points. The position at which the magnet is pressed is offset more toward the post-cutting magnet side than the weak section.

KOIKE YASUHISA (JP)
NISHIMURA KIMIO (JP)
WATANABE HIDEKI (JP)
SEKIKAWA TAKASHI (JP)
MATSUSHITA YASUSHI (JP)
TAKAICHI KAZUHIRO (JP)
HORI AKIHISA (JP)
OHSHIMA TAKUMI (JP)
KISHI MICHITO (JP)
ISHIGURO KUNITOMO (JP)
SHIRAKI TOSHIFUMI (JP)
ISHII SHIGEYUKI (JP)

PCT/JP2013/055615

September 06, 2013

March 01, 2013

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NISSAN MOTOR (JP)

H02K15/03; B26F3/00; H01F41/02

WO2011145433A1	2011-11-24
WO2011158710A1	2011-12-22
WO2011004490A1	2011-01-13

JP2009142081A	2009-06-25
JP2011125105A	2011-06-23

GOTO, Masaki et al. (JP)
Masaki Goto (JP)

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