BEARING PART INSPECTION METHOD AND BEARING PART INSPECTION DEVICE

WIPO Patent Application WO/2014/007246

A1

A bearing part inspection method is provided with: a step (S10) for applying X-rays to a fatigued portion of a bearing part to be inspected; a step (S20) for detecting annular diffracted X-rays (X-ray diffraction ring) diffracted by the fatigued portion; and steps (S30, S40) for estimating use conditions for the bearing part to be inspected on the basis of the detected annular diffracted X-rays (X-ray diffraction ring).

FUJITA TAKUMI (JP)
YAGITA KAZUHIRO (JP)
SASAKI TOSHIHIKO (JP)
MARUYAMA YOUICHI (JP)

PCT/JP2013/068131

January 09, 2014

July 02, 2013

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NTN TOYO BEARING CO LTD (JP)
UNIV KANAZAWA NAT UNIV CORP (JP)
FUJITA TAKUMI (JP)
YAGITA KAZUHIRO (JP)
SASAKI TOSHIHIKO (JP)
MARUYAMA YOUICHI (JP)

G01N23/20

JP2011069684A	2011-04-07
JP2011027550A	2011-02-10
JP2005241308A	2005-09-08

NORIYASU OGUMA: "Prediction of Residual Fatigue Life of Bearings. Part 1. Application of X-ray Diffraction Method", KOYO ENGINEERING JOURNAL, no. 161, April 2002 (2002-04-01), pages 26 - 31, XP055183054
MASAYUKI TSUSHIMA; KIKUO MAEDA, BEARING ENGINEER, vol. 48, 1984, pages 1 - 17
JYUNZO OKAMOTO: "Dynamic Load Capacity of Rolling Bearing and Roller Bearing: Detailed Explanation of Lundberg-Palmgren Theory", MACHINE ELEMENT COURSE, 1988
See also references of EP 2871467A4

Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)

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