弹簧冲击器溯源过程中的碰撞接触力特性研究

doi:10.3969/j.issn.1000-1158.2024.10.12

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Abstract In order to improve the measurement accuracy of the spring hammer calibration device in the traceability work, and fully evaluate the energy loss in the impact end collision process of the traceability work, Newton restitution coefficient is introduced. And combined with the generalized contact force model, the dynamic modeling and numerical simulation analysis on the impact end collision process of the traceability device are carried out. The results show that the maximum contact force with Newton restitution coefficient is larger than that not considered, and the maximum contact force increases nonlinearly with the increase of Newton restitution coefficient, there is almost no effect on the relative deformation during the collision. Based on the experimental results, the simulation results are closest to the measured values when e=0.8, with a relative error of about 2%.

Key words： mechanical metrology spring hammer Newton restitution coefficient calibration device traceability impact force model numerical simulation

Received: 18 April 2023 Published: 30 September 2024

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TB936

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	Articles by authors
	GAO Jianzhuo
	CHEN Long
	WANG Ningxi
	LUO Xin

Cite this article:

GAO Jianzhuo,CHEN Long,WANG Ningxi, et al. Research on Characteristics of Collision Contact Force During Traceability Process of Spring Hammer[J]. Acta Metrologica Sinica, 2024, 45(10): 1520-1524.

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http://jlxb.china-csm.org:81/Jwk_jlxb/EN/10.3969/j.issn.1000-1158.2024.10.12 OR http://jlxb.china-csm.org:81/Jwk_jlxb/EN/Y2024/V45/I10/1520

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