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Magnetic abrasive finishing is a method of creating high-quality finishes by moving magnetic abrasive particles across the workpiece. The magnetic abrasive particles are composite powder containing hard abrasive grains in a ferromagnetic matrix. Magnetic abrasive finishing relies heavily on a cutting tool formed from magnetic abrasive particles. In the present work, a comparison has been made between the performance of sintered abrasives and glued abrasives. A rotating magnetic field finishing setup is used to conduct experimentation. Experiments were carried out to determine the effect of rotational speed and abrasive quantity on surface roughness. Improvement in surface roughness is taken as the performance parameter. The best result for the sintered magnetic abrasives was at 425 rpm and 6 g abrasive, with an improvement in the surface roughness value of 84.4%. In the case of the glued magnetic abrasives, the best result was at 575 rpm and 6 g of abrasive, with a surface roughness improvement of 65.65%. Sintered magnetic abrasives offer a more significant improvement in surface roughness for the same parameters than glued magnetic abrasives.
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