Title:
SCREW FASTENING FAILURE DETERMINATION DEVICE, SCREW FASTENING DEVICE, SCREW FASTENING FAILURE DETERMINATION METHOD, AND CONTROL PROGRAM
Document Type and Number:
WIPO Patent Application WO/2020/195325
Kind Code:
A1
Abstract:
A technique is provided for suitably determining screw fastening failure. A screw fastening failure determination device (10) is provided with: a speed acquisition unit (13) which acquires the axial-direction speed of a driver or a speed feature value relating to said speed; and a failure determination unit (14) which, in a temporary seating step, determines that a screw fastening has failed on the basis of the axial-direction speed or the speed feature value, at a prescribed time.
Inventors:
SUGIOKA MASAYUKI (JP)
SASAKI TATSUYA (JP)
NISHIGAKI KOJI (JP)
SHIBUTANI TAKANORI (JP)
SASAKI TATSUYA (JP)
NISHIGAKI KOJI (JP)
SHIBUTANI TAKANORI (JP)
Application Number:
PCT/JP2020/006046
Publication Date:
October 01, 2020
Filing Date:
February 17, 2020
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO (JP)
International Classes:
B23P19/06
Foreign References:
| JP2012171071A | 2012-09-10 | |||
| JP2012223841A | 2012-11-15 | |||
| JP2013018067A | 2013-01-31 | |||
| US7458282B1 | 2008-12-02 | |||
| JP2012223841A | 2012-11-15 | |||
| JP2013018067A | 2013-01-31 |
Other References:
See also references of EP 3950214A4
Attorney, Agent or Firm:
MURAKAMI, Takashi (JP)
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