Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SERVO MOTOR DRIVE DEVICE AND GALVANO DRIVE DEVICE, AND LASER MACHINING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/216121
Kind Code:
A1
Abstract:
This drive control unit (5) is provided with: a wear detection unit (15) provided with a determination mode for outputting a determination drive signal (dpc), the wear detection unit (15) detecting the degree of wear of a bearing of an output shaft (3) of a drive motor (2) on the basis of a rotation state of a galvano mirror (1) based on the determination drive signal (dpc); and switching units (11, 14) for disabling operation of feedback control units (7, 8) during the determination mode and supplying a rotation state signal (rt) only to the wear detection unit (15).

Inventors:
MATSUI Hiroyuki
KOMIYA Tomoki
MATSUMURA Yoshiyuki
ARAI Akihiro
Application Number:
JP2019/016025
Publication Date:
November 14, 2019
Filing Date:
April 12, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1-61, Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
International Classes:
G02B26/10; B23K26/082
Attorney, Agent or Firm:
ONDA Makoto et al. (12-1, Ohmiya-cho 2-chome Gifu-sh, Gifu 31, 〒5008731, JP)
Download PDF: