Title:
圧延設備の診断装置及び診断方法
Document Type and Number:
Japanese Patent JP7035178
Kind Code:
B2
Abstract:
A rolling equipment diagnosis device including a motor, a rolling roll driven by the motor, and a motive power transmission unit for transmitting motive power of the motor to the rolling roll, wherein the rolling equipment diagnosis device is provided with an acoustic sensor for sensing a sound generated from the rolling equipment, an excitation unit for exciting the motor, and a first frequency analysis unit for performing frequency analysis of first sound data sensed by the acoustic sensor in a state in which the motor is excited by the excitation unit and acquiring a first frequency spectrum indicating a correlation between the frequency and amplitude of the first sound data, the excitation unit being configured so that the excitation frequency at which the motor is excited can be changed.
Inventors:
Youichi Matsui
Yuta Odawara
Yuta Odawara
Application Number:
JP2020518857A
Publication Date:
March 14, 2022
Filing Date:
May 15, 2018
Export Citation:
Assignee:
Primetals Technologies Japan Co., Ltd.
International Classes:
B21C51/00; B21B38/00; G01H17/00; G01M99/00
Domestic Patent References:
| JP2004034147A | ||||
| JP4123807A |
Foreign References:
| WO2000072989A1 |
Attorney, Agent or Firm:
Seishin ip patent business corporation