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Title:
ROLLING DEVICE MONITORING/CONTROL DEVICE, ROLLING EQUIPMENT, ROLLING DEVICE MONITORING/CONTROL METHOD, AND ROLLING DEVICE MONITORING/CONTROL PROGRAM
Document Type and Number:
WIPO Patent Application WO/2023/181545
Kind Code:
A1
Abstract:
This rolling device monitoring/control device is a monitoring/control device for monitoring or controlling a rolling device, the rolling device monitoring/control device comprising: a vibration data acquisition unit configured to acquire, during rolling of a metal plate in the rolling device, vibration data representing vibration of a rolling roll of the rolling device; a cumulative vibration amplitude acquisition unit configured to acquire, with respect to each of a plurality of numbers N of polygonal sides, a cumulative vibration amplitude that is the sum of amplitudes of the vibration at the frequency corresponding to the number N of polygonal sides for each number of rotations of the rolling roll, from the vibration data; a first index acquisition unit configured to acquire a polygonalization index representing the size of variation of the cumulative vibration amplitudes respectively obtained in correspondence with the plurality of numbers N of polygonal sides; and an evaluation unit configured to evaluate the state of the rolling device on the basis of the polygonalization index.

Inventors:
KAWAMURA KAZUTERU (JP)
KAWAUCHI AKIHISA (JP)
YOSHIKAWA MASASHI (JP)
Application Number:
PCT/JP2022/047003
Publication Date:
September 28, 2023
Filing Date:
December 21, 2022
Export Citation:
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Assignee:
MITSUBISHI HEAVY IND LTD (JP)
International Classes:
B21B38/00; B21B1/22; B21B37/46; B21C51/00; G01H17/00; G01M99/00
Domestic Patent References:
WO2021024448A12021-02-11
WO2021024447A12021-02-11
WO2022209295A12022-10-06
Foreign References:
JP2019122979A2019-07-25
JP7103550B12022-07-20
Attorney, Agent or Firm:
SSIP PATENT ATTORNEY CORPORATION (JP)
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