Fundamental investigation on nano-precision surface finishing of electroless Ni–P-plated STAVAX steel using magnetic compound fluid slurry

Wang, Youliang; Wu, Yongbo; Nomura, Mitsuyoshi

doi:10.1016/j.precisioneng.2016.11.003

Cited by 14 publications

(3 citation statements)

References 24 publications

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“…This is exacerbated by the inherent nature of large-sized abrasive particles, which tend to produce rougher and deeper scratches compared to their smaller counterparts. Along with that, in MRF polishing, the abrasive particle needs to be correspondingly smaller than one-third the size of the magnetic particles to help the magnetic particles grip the abrasive particles tightly in the polishing processes [35]. This facilitates a more effective clamping force from the magnetic particles to the abrasive particles during polishing processes.…”

Section: Resultsmentioning

confidence: 99%

A Novel Circulating Abrasive Flow Strategy Using Circular Halbach Array for Magneto-Rheological Finishing of Ti-6Al-4V

Trinh,

Hoang Tien,

Thoa

et al. 2024

Journal of Machine Engineering

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In the pursuit of advancing the surface machining efficiency of Ti-6Al-4V material through magnetic polishing, this study introduces a new approach methodology. A novel approach integrates Magneto-Rheological Finishing (MRF) into a circulating system, employing a circular Halbach array to ensure a continuous and uniform flow of magnetic abrasives. Employing simulation and theoretical analysis, MRF polishing processes with the fluid dynamics of abrasive (SiO2) and magnetic particles (Fe3O4) during the finishing process of Ti-6Al-4V material using a circulating conveyor designed for the regeneration of abrasive particles. To investigate the impact of magnetic fluid distributions influenced by magnetic fields on the machining process, we meticulously conduct experimental analyses. The findings underscore that diminishing the working distance results in an expanded distribution range of magnetic abrasive fluid on the conveyor belt. Consequently, this induces a noteworthy variation in impact positions on the workpiece surface, leading to an increased exposed area. A pivotal outcome of this study is the observed augmentation in machining quality and efficiency. Remarkably, the surface roughness of the Ti-6Al-4V workpiece undergoes a substantial improvement, diminishing from an initial Ra = 431.1 nm to an impressive Ra = 39.6 nm within a 30-minute timeframe.

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Section: Resultsmentioning

confidence: 99%

A Novel Circulating Abrasive Flow Strategy Using Circular Halbach Array for Magneto-Rheological Finishing of Ti-6Al-4V

Trinh,

Hoang Tien,

Thoa

et al. 2024

Journal of Machine Engineering

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show abstract

“…For various finishing materials and methods, the preparation of the optimal finishing solution varies. Thus, preparing the optimal finishing liquid for the current condition is necessary [13,14].…”

Section: Introductionmentioning

confidence: 99%

Optimization of finishing parameters for magnetic compound fluid finishing (MCFF) of copper alloy

Fan

Ren²,

Pan³

et al. 2022

Int J Adv Manuf Technol

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As an advanced finishing technology, magnetic compound fluid finishing (MCFF) is considered to be able to achieve damagefree finishing of low-hardness materials such as copper alloys with appropriate finishing parameters. However, ignoring the influence of the material removal amount on the dimensional accuracy when optimizing the finishing parameters may result in excessive material removal and a reduction in the workpiece's dimensional accuracy. Thus, a novel finishing parameters optimization method considering dimensional accuracy is proposed in this paper. Firstly, the MCFF experiments are planned and carried out for modeling. Secondly, a MCFF model is established based on the integrated learning theory. The established model is a multi-layer neural network fusion model comprised of a prediction layer and a fusion layer, which can accurately predict the polished surface quality and material removal amount. Thirdly, taking the effect of material removal amount on the dimensional accuracy into account, the finishing parameters are optimized by the multi-objective particle swarm optimization algorithm. Finally, the model's prediction accuracy and the superiority of the optimized parameters are compared and verified by experiments. The results demonstrate that the developed model can correctly predict the finishing effect, and the high-quality polished surfaces and high dimensional accuracy can be obtained with the optimized finishing parameters.

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“…Hence, the polishing fluid shows higher viscosity, magnetic pressure, and more stable particle dispersion. At the same time, MCF slurry maintains excellent fluidity [26,27]. Based on the outstanding properties of MCF, a new contact-free polishing tool using MCF slurry was developed by Shimada et al, and mirror processing on the rib-shaped groove of a brass specimen was successfully realized [28].…”

Section: Introductionmentioning

confidence: 99%

A Novel Polishing Method for Extending the Service Life of Magnetic Compound Fluid

Wang

Gao

et al. 2022

Lubricants

Self Cite

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Magnetic field-assisted magnetic compound fluid (MCF) ultra-precision machining technology is regarded as an effective method to obtain a smooth surface. However, due to the evaporation and splashing of water in the polishing fluid during processing, the service life of the MCF slurry is reduced. This paper presents a material removal model for MCF polishing, and a novel experimental apparatus is proposed to extend the service life by supplying MCF components into the MCF slurry. Firstly, in order to obtain the ideal polishing tool, the appearance morphologies and the formation process of the MCF slurry were observed by an industrial camera. On this basis, the optimum parameters were determined by multi-factor and multi-level orthogonal experiments. Finally, the investigation of the MCF service life was carried out under the optimal processing parameters. The main findings are summarized as follows. (1) Excellent MCF polishing tools are obtained when the eccentric distance r is 4 mm and the MCF slurry supply V is 1 mL. (2) When the eccentric distance increases from 2 mm to 4 mm, the forming time of the MCF tool decreases sharply, but when the eccentricity exceeds 4 mm, the decreasing trend becomes slow. The molding time grows steadily as the supply is increased. (3) When the machining gap Δ, the MCF carrier speed nc, the eccentricity r, and the revolution speed of magnetic nm are 1 mm, 500 rpm, 4 mm, and 600 rpm, respectively, the ideal machining effect can be obtained. (4) It could be proven that the polishing device is feasible to extend the service time of the MCF slurry by adding MCF components.

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Fundamental investigation on nano-precision surface finishing of electroless Ni–P-plated STAVAX steel using magnetic compound fluid slurry

Cited by 14 publications

References 24 publications

A Novel Circulating Abrasive Flow Strategy Using Circular Halbach Array for Magneto-Rheological Finishing of Ti-6Al-4V

A Novel Circulating Abrasive Flow Strategy Using Circular Halbach Array for Magneto-Rheological Finishing of Ti-6Al-4V

Optimization of finishing parameters for magnetic compound fluid finishing (MCFF) of copper alloy

A Novel Polishing Method for Extending the Service Life of Magnetic Compound Fluid

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