Journal
INDUSTRIAL LUBRICATION AND TRIBOLOGY
Volume 75, Issue 5, Pages 554-559Publisher
EMERALD GROUP PUBLISHING LTD
DOI: 10.1108/ILT-03-2023-0080
Keywords
RMRP; MRP fluids parameters; Processing effects; Parameters optimization
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This paper aims to study the influence of different parameters of magnetorheological polishing fluids on the surface roughness and material removal rate in the reciprocating magnetorheological polishing process. Single-factor experiments are performed to evaluate the influence of magnetic particle concentration, abrasive particle concentration, and abrasive particle size. The yield stress and viscosity of the polishing fluids are also studied. The results show that a reasonable parameter of the polishing fluids is crucial to achieve desired surface roughness and material removal rate.
PurposeThis paper aims to study the influence of the different parameters of magnetorheological polishing fluids (MRP fluids) on the surface roughness and material removal rate (MRR) of the workpiece surface in the reciprocating magnetorheological polishing (RMRP) process. Design/methodology/approachA series of single-factor experiments are performed to evaluate the influence of the concentration of magnetic particles, concentration of abrasive particles and size of abrasive particles on surface processing effects by using the RMRP method. Moreover, the yield stress and viscosity of MRP fluids are studied based on the Bingham plastic model by varying the MRP fluids parameters. FindingsA reasonable parameter of MRP fluids is crucial to the surface roughness and MRR of the workpiece surface, and the optimized parameters are obtained by the single-factor experiments of RMRP. The results are when the concentration of carbonyl iron particles is 40 Vol.%, the concentration of CeO2 is 5 Vol.% and the size of CeO2 is 2.5 mu m in the MRP fluids, the surface roughness of the workpiece remarkably decreases to 28 nm from the initial 332 nm and the MRR of the workpiece increases to 0.118 mg/min. Originality/valueIn this study, the single-factor experiments for the different parameters of MRP fluids are studied to polish K9 glass by using the RMRP device, and the yield stress and viscosity of MRP fluids are investigated by rheological experiments, which provides reference for a reasonable selection of the MRP fluids parameter in RMRP process.
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