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Title:
SPINDLE UNIT AND CUTTING MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/085361
Kind Code:
A1
Abstract:
A spindle unit 60 comprises: a motor 70 having a rotor 71 that rotates around a prescribed axis Z; a magnet 81N that is connected to the rotor 71 and rotates together with the rotor 71; a support member 82 that extends radially outward of the magnet 81N around the axis Z so as to cover at least a part of the outer periphery of the magnet 81N, and rotates together with the rotor 71 and the magnet 81N; and a Hall sensor 84A disposed so as to overlap the rotational trajectory of the magnet 81N when viewed along the axis Z direction.

Inventors:
YAMAMOTO GOTA (JP)
MIYAMOTO KAZUHITO (JP)
Application Number:
PCT/JP2022/041899
Publication Date:
May 19, 2023
Filing Date:
November 10, 2022
Export Citation:
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Assignee:
DGSHAPE CORP (JP)
International Classes:
H02K29/08; B23B19/02; B23Q17/00
Foreign References:
JP2003168285A2003-06-13
JP2020162386A2020-10-01
JP2021145822A2021-09-27
JPH07143717A1995-06-02
JP2021014886A2021-02-12
Attorney, Agent or Firm:
GOTOH Takashi (JP)
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