Research on Roller Status Diagnosis of CRDM Based on Simulation Method

Yang Xiaochen; Li Wei; Zhang Liming; Yang Fangliang; Zhang Zhifeng

doi:10.13832/j.jnpe.2017.05.0141

Volume 38 Issue 5

Feb. 2025

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Yang Xiaochen, Li Wei, Zhang Liming, Yang Fangliang, Zhang Zhifeng. Research on Roller Status Diagnosis of CRDM Based on Simulation Method[J]. Nuclear Power Engineering, 2017, 38(5): 141-144. doi: 10.13832/j.jnpe.2017.05.0141

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Yang Xiaochen, Li Wei, Zhang Liming, Yang Fangliang, Zhang Zhifeng. Research on Roller Status Diagnosis of CRDM Based on Simulation Method[J]. Nuclear Power Engineering, 2017, 38(5): 141-144. doi: 10.13832/j.jnpe.2017.05.0141

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Research on Roller Status Diagnosis of CRDM Based on Simulation Method

doi: 10.13832/j.jnpe.2017.05.0141

1. Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu, 610213, China;
2. Naval University of Engineering, Wuhan, 430033, China

Received Date: 2016-11-02
Rev Recd Date: 2017-02-21

Available Online: 2025-02-09

Abstract

Abstract

Abrasion is the primary cause for the failure of the roller screw drive type CRDM. This paper describes a method of CRDM roller state diagnosis based on computer simulation. Through a common simulation software ADAMS, the vibration characteristics of the roller under normal conditions, pit defects and excessive abrasion have been obtained. Research indicates that the roller will have a significant impact signal while working. With the deterioration of conditions, the impact signal will be enhanced.
- Control rod drive mechanism（CRDM）,
- Roller,
- Simulation,
- Diagnosis

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