标准核燃料组件几何轮廓校准装置的研制

doi:10.3969/j.issn.1000-1158.2024.04.05

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Abstract The standard nuclear fuel assembly is used for the on-site calibration of the nuclear fuel assembly measuring instrument. For the traceability requirements of geometric parameters of standard nuclear fuel assemblies, a geometric profile calibration device for standard nuclear fuel assembly is developed. Based on the concept of spatial coordinate measurement, the device uses multi-channel contact sensors as the profile measurement unit, and obtains the profile coordinates by combining the height position of the measuring table. Through straightness and torsion measurement and error compensation, the precision of geometric contour measurement is further improved. By integrating motion control and special measurement software, the standard nuclear fuel assembly geometric profile parameters (straightness, torsion, perpendicularity, parallelism) can be automatically detected. Through analysis and test, it is verified that the standard uncertainty of straightness and parallelism is 0.01 mm, the standard uncertainty of torsion is 0.007 mm and the standard uncertainty of perpendicularity is 0.017 mm. The above data show that the device can meet the traceability requirements of standard nuclear fuel assemblies.

Key words： geometric measurement nuclear fuel assembly geometric profile;calibration straightness err compensation

Received: 18 September 2023 Published: 03 April 2024

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TB92

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	Articles by authors
	SUN Anbin
	GAO Ting
	CAO Tieze
	QIAO Lei

Cite this article:

SUN Anbin,GAO Ting,CAO Tieze, et al. Development of Geometric Profile Calibration Device for Standard Nuclear Fuel Assembly[J]. Acta Metrologica Sinica, 2024, 45(4): 496-502.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2024.04.05 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2024/V45/I4/496

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