Title:
SPINDLE UNIT AND CUTTING MACHINE
Document Type and Number:
Japanese Patent JP2023072186
Kind Code:
A
Abstract:
To provide a spindle unit that eliminates a member that holds a magnet in a sensor unit that detects the rotational position of a rotor.SOLUTION: A spindle unit 60 includes a motor 70 having a rotor 71 that rotates around a predetermined axis Z, a magnet 81 N coupled to the rotor 71 and rotating together with the rotor 71, a support member 82 extending radially outward around the axis Z from the magnet 81N so as to cover at least a portion of the outer peripheral portion of the magnet 81 N and rotating together with the rotor 71 and the magnet 81N, and a Hall sensor 84A arranged so as to overlap with the rotation orbit of the magnet 81N when viewed in the Z direction of the axis.SELECTED DRAWING: Figure 7
Inventors:
YAMAMOTO GOTA
MIYAMOTO KAZUTO
MIYAMOTO KAZUTO
Application Number:
JP2021184567A
Publication Date:
May 24, 2023
Filing Date:
November 12, 2021
Export Citation:
Assignee:
DGSHAPE CO LTD
International Classes:
H02K29/08; B23B19/02; B23Q17/00
Attorney, Agent or Firm:
Takashi Goto
Hiroaki Yamane
Toshimitsu Takahashi
Hiroaki Yamane
Toshimitsu Takahashi