Title:
SCREW FASTENING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2022/138380
Kind Code:
A1
Abstract:
Provided is a screw fastening system capable of executing high torque screw fastening without using a highly rigid holding device. A screw fastening system (100) comprising: an electric motor (41); a holding device (10) for holding the electric motor (41); a support member (30) mounted to a drive shaft of the electric motor (41); a screw fastening machine (20) supported by the support member (30), and capable of executing a screw fastening operation with pulsed fastening control; and a motor control unit (502) for controlling the electric motor (41) to reduce a fastening-torque reaction force, caused by the screw fastening operation with pulsed fastening control executed by the screw fastening machine (20), with respect to the holding device (10).
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Inventors:
KATOU YUUKI (JP)
TAKAHASHI KENJI (JP)
TAKAHASHI KENJI (JP)
Application Number:
PCT/JP2021/046305
Publication Date:
June 30, 2022
Filing Date:
December 15, 2021
Export Citation:
Assignee:
FANUC CORP (JP)
International Classes:
B25B23/14; B23P19/04; B23P19/06; B25J13/00
Domestic Patent References:
| WO2017104027A1 | 2017-06-22 |
Foreign References:
| JP2007245284A | 2007-09-27 | |||
| JP2007050488A | 2007-03-01 | |||
| JP2010120094A | 2010-06-03 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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