Title:
LAMINATED IRON CORE INSPECTION METHOD AND DEVICE, AND REPAIR METHOD AND DEVICE
Document Type and Number:
WIPO Patent Application WO/2024/085049
Kind Code:
A1
Abstract:
Provided is a method for inspecting a laminated iron core, the method making it possible to inspect the projection amount of a welded part with high precision and high speed. A method for inspecting a laminated iron core 1 in which a plurality of ring-shaped iron core pieces 3 are laminated in an axial direction and in which a plurality of welded parts 5 are provided in a circumferential direction leading to an end surface 1a configured from the iron core pieces 3 at axial-direction end parts, wherein the laminated iron core 1 is rotated in the circumferential direction, and the amount by which the plurality of welded parts 5 project in the axial direction relative to the end surface 1a is measured continuously from the axial direction in accordance with rotation of the laminated iron core 1.
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Inventors:
ANDO SHUJI (JP)
JIN YUICHIRO (JP)
JIN YUICHIRO (JP)
Application Number:
PCT/JP2023/036959
Publication Date:
April 25, 2024
Filing Date:
October 12, 2023
Export Citation:
Assignee:
NHK SPRING CO LTD (JP)
International Classes:
H02K15/02
Domestic Patent References:
| WO2015159985A1 | 2015-10-22 | |||
| WO2020138372A1 | 2020-07-02 | |||
| WO2016013683A1 | 2016-01-28 | |||
| WO2022064724A1 | 2022-03-31 |
Foreign References:
| JP2000295800A | 2000-10-20 | |||
| JP2013143872A | 2013-07-22 | |||
| JP2017022885A | 2017-01-26 | |||
| JP2021129341A | 2021-09-02 |
Attorney, Agent or Firm:
SUDO Yuichi et al. (JP)
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