Title:
MOTOR WITH ELECTROMAGNETIC BRAKE
Document Type and Number:
WIPO Patent Application WO/2021/261421
Kind Code:
A1
Abstract:
Easily suppress the adherence of metal powder to a motor shaft while suppressing costs. A motor with an electromagnetic brake 1 having: a motor 10; a motor shaft 20 rotated by the motor 10; a bearing 31 that supports the motor shaft 20 to be able to rotate; an electromagnetic brake 40 that brakes the rotation of the motor 10; and an encoder 50 that measures the rotation angle of the motor 10, wherein the bearing 31 is arranged farther to the motor 10 side than the electromagnetic brake 40 in the axial direction of the motor shaft 20, and when the maximum value of the magnetic flux density in the magnetic flux flowing in the electromagnetic brake 40 is A teslas, the electromagnetic brake 40 and the motor shaft 20 are arranged separated by A x 0.3 mm or greater.
Inventors:
UEMATSU HIDETOSHI (JP)
Application Number:
PCT/JP2021/023315
Publication Date:
December 30, 2021
Filing Date:
June 21, 2021
Export Citation:
Assignee:
FANUC CORP (JP)
International Classes:
H02K7/102
Foreign References:
| JPH065368U | 1994-01-21 | |||
| JP2007285356A | 2007-11-01 |
Attorney, Agent or Firm:
SHOBAYASHI Masayuki et al. (JP)
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