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US 2015/0146857 A1Published application
Inspection method for bearing part and inspection apparatus for bearing part
AssigneeNtn Corporation
InventorsTakumi Fujita, Kazuhiro Yagita, Toshihiko Sasaki, Youichi Maruyama
Life of this patent
Estimating the term…
Abstract
An inspection method for a bearing part includes the steps of: emitting X-rays onto a fatigued portion of a bearing part to be inspected; detecting annular diffracted X-rays (X-ray diffraction ring) diffracted by the fatigued portion; and estimating a use condition of the bearing part to be inspected, based on the detected annular diffracted X-rays (X-ray diffraction ring).
Claims8
An inspection method for a bearing part, comprising the steps of:
- emitting X-rays onto a fatigued portion of a bearing part to be inspected;
- detecting annular diffracted X-rays diffracted by said fatigued portion;
- and
- estimating a use condition of said bearing part to be inspected, based on said detected annular diffracted X-rays.
1 more element
An inspection apparatus for a bearing part, comprising:
- an irradiation unit for emitting X-rays onto a bearing part to be inspected;
- a detector for detecting annular X-rays diffracted by said bearing part to be inspected;
- and
- a computation unit connected to said detector, for calculating a use condition of said bearing part to be inspected, based on said annular X-rays detected by said detector.
1 more element
Dependencies are inferred from the claim text.