A novel wheel‐type vibration‐magnetorheological compound finishing method

Gu, Yan and Fu, Bin and Lin, Jieqiong and Chen, Xiuyuan and Zhou, Weidong and Yu, Bingjin and Zhao, Huibo and Li, Zhen and Xu, Zisu (2023) A novel wheel‐type vibration‐magnetorheological compound finishing method. The International Journal of Advanced Manufacturing Technology, 125 (9-10). pp. 4213-4235. ISSN 1433-3015 (https://doi.org/10.1007/s00170-023-11034-8)

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Abstract

Magnetorheological finishing (MRF) is an important technique to achieve the surface precision of difficult-to-cut materials. In this paper, a wheel-type vibration-magnetorheological compound finishing is proposed in terms of reducing the unidirectional scratch caused by the wheel-type magnetorheological finishing tool and further improving the convergence rate of surface roughness. The vibration-magnetorheological coupling was realized through utilizing designed magnetorheological finishing (MRF) wheel and a nonresonant vibrational device (NRVD). Through the theoretical and experimental analysis, the surface roughness has been verified improved through increasing the normal and tangential forces, which are associated with introducing 2D vibration. The flow and viscoelastic models of the MRP fluid were established based on hydrodynamic lubrication and viscoelasticity theories. Finally, the feasibility of the proposed finishing method was verified by the results of improving surface roughness through designing reasonable processing experiment.

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