Title:
転動装置の予圧診断方法
Document Type and Number:
Japanese Patent JP7200789
Kind Code:
B2
Abstract:
To provide a pre-load diagnostic method of a rolling device, which has improved accuracy.SOLUTION: In a pre-load diagnostic method of a rolling device 10 which includes outer members 1, inner members 3, and rolling bodies 5, an AC voltage is applied to an electric circuit which comprises the outer members 1, the rolling bodies 5, and the inner members 3 in a state to rotate the rolling device 10 in a predetermined rotational number region. An impedance and a phase angle of the electric circuit are measured during the application of the AC voltage, so that radius values of Hertzian contact circles of the rolling bodies 5 are calculated on the basis of the measured impedance and phase angle.SELECTED DRAWING: Figure 1
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Inventors:
Yasushi Maruyama
Sugawara Katsu
Masataka Tsuchiko
Shigeru Maeda
Sugawara Katsu
Masataka Tsuchiko
Shigeru Maeda
Application Number:
JP2019056969A
Publication Date:
January 10, 2023
Filing Date:
March 25, 2019
Export Citation:
Assignee:
Nippon Seiko Co., Ltd.
International Classes:
G01M13/04; G01B7/293
Domestic Patent References:
| JP2009275736A | ||||
| JP6380720B1 | ||||
| JP2006177933A | ||||
| JP56151302A | ||||
| JP2009133786A |
Foreign References:
| WO2014094812A1 |
Attorney, Agent or Firm:
Patent Attorney Corporation Eiko Office