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Laser-based measurement for micro-unbalance of cylindrical rollers of the high-speed precision rolling bearings

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Abstract

It is a stringent requirement for China to develop the technology on the measurement for the unavoidable micro residual unbalance of tiny cylindrical rollers of the high-speed precision bearings, which are widely equipped on high-end advanced equipment. During the measurement process, the vibration response excited by micro unbalance, which is easy to be messed up with background noise, is hard to be detected and a soft support mounting bracket is proposed to enhance the amplitude of vibration response, while maintaining the steady rotation of test roller. Accordingly, a dynamic model of both test roller and mounting bracket is constructed to analyze and simulate the vibration response. Furthermore, a μm level high precision laser-based non-contact measurement system consisting of a roller rotation drive system and a vibration signal acquisition system is developed to measure the synchronized vibration of the unbalance. Finally, by comparing experiment results of a standard roller with a special prepared unbalanced roller and comparing experiment results with simulated results, the validity of the proposed measurement method is verified.

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Acknowledgments

This work is supported by the National Key Technology R&D Program of China (2015BAF32B04-3), the Key Science and Research Program in University of Henan Province (18A460003), and the Program for Innovative Research Team (in Science and Technology) in University of Henan Province (15IRTSTHN008).

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Correspondence to Xin Sui.

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Sui, X., Liu, C., Li, J. et al. Laser-based measurement for micro-unbalance of cylindrical rollers of the high-speed precision rolling bearings. Cluster Comput 22 (Suppl 4), 9159–9167 (2019). https://doi.org/10.1007/s10586-018-2095-1

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  • DOI: https://doi.org/10.1007/s10586-018-2095-1

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