Parametric study of magnetic abrasive finishing process

Singh, Devendra Pratap; Jain, V.K.; Raghuram, V.

doi:10.1016/j.jmatprotec.2003.10.030

Cited by 146 publications

(71 citation statements)

References 6 publications

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“…It is because, at higher rotational speed, the centripetal force "mω 2 r" (where m is the mass of particle, ω is the angular speed of the tool rotation, and r is radial distance of particle from center of tool) available for holding the particles in the chain becomes insufficient resulting in breaking of the chains. This breaking of chains causes a decrease in the finishing force resulting in a drop in %ΔR a [27,30]. With an increase in the abrasive weight percentage, the number of abrasive particles per unit area increases, so more numbers of cutting edges are available to perform the finishing operation.…”

Section: Resultsmentioning

confidence: 99%

Experimental investigations into internal magnetic abrasive finishing of pipes

Verma

Kala

Pandey

2016

Int J Adv Manuf Technol

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Surface finish is one of the important parameters that affects functional aspects of an assembly like friction between mating parts and wear resistance. Magnetic abrasive finishing is one of the advanced finishing processes which has the ability to produce nano-finished surface by removing material in the form of microchips. The present paper introduces a novel tool based on magnetic abrasive finishing (MAF) principle for polishing holes, blind holes, grooves, and vertical surfaces. The tool designed and developed in the present study consists of two permanent magnets with their similar pole facing each other, such that a high magnetic flux density is achieved around the circumferential area between the magnets and the same has been simulated using Maxwell software. In order to evaluate the performance of the tool, experimentation based on central composite design (CCD) technique was performed to finish stainless steel (SS304) pipe. The results so obtained were analyzed to study the effect of process parameters like rotational speed, magnetic flux density, abrasive size, and abrasive weight percentage on percentage change in surface roughness. The analysis showed that the magnetic flux density was the most effective parameter while finishing the stainless steel (SS304) pipe followed by rotational speed. Experimentation at an optimized condition resulted in a surface finish of 56 nm. Further SEM images were taken to understand the surface morphology of finished surface.

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Section: Resultsmentioning

confidence: 99%

Experimental investigations into internal magnetic abrasive finishing of pipes

Verma

Kala

Pandey

2016

Int J Adv Manuf Technol

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“…Exceptions were found for working gaps smaller than 0.5 mm because of the restrained space, which compromises abrasive renovation. Singh et al [53] applied Taguchi's design of experiments to determine important parameters influencing the surface quality generated. Experimental results indicated that for a change in surface roughness, the voltage and the working gap were found to be the most significant parameters, followed by the grain mesh number and the rotational speed.…”

Section: Working Gapmentioning

confidence: 99%

Review of Superfinishing by the Magnetic Abrasive Finishing Process

Heng¹,

Kim²,

Mun³

2017

High Speed Machining

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Recent developments in the engineering industry have created a demand for advanced materials with superior mechanical properties and high-quality surface finishes. Some of the conventional finishing methods such as lapping, grinding, honing, and polishing are now being replaced by non-conventional finishing processes. Magnetic Abrasive Finishing (MAF) is a non-conventional superfinishing process in which magnetic abrasive particles interact with a magnetic field in the finishing zone to remove materials to achieve very high surface finishing and deburring simultaneously. In this review paper, the working principles, processing parameters, and current limitations for the MAF process are examined via reviewing important work in the literature. Additionally, future developments of the MAF process are discussed.

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“…The provision is also made to record the data in ASCII format. The dynamometer has been pre-calibrated [13] using standard procedure and a conversion factor has been determined to calculate the imparted force from the strain value measured.…”

Section: Response Surface Analysismentioning

confidence: 99%

“…Hard materials like ceramics can be finished better by using composite magnetic abrasive particles (normal MAF powder plus diamond particles). Singh et al [13] studied the effect of electromagnet input voltage, working gap, revolutions per minute (RPM) of electromagnet, and mesh number of SiC abrasive particles on the surface finish and material removal in case of a ferromagnetic material. They concluded that voltage and working gap are the parameters that influence surface finish more than the RPM and the mesh number of abrasive particles.…”

Section: Introductionmentioning

confidence: 99%

Force analysis of magnetic abrasive nano-finishing of magnetic and non-magnetic materials

Jain

Saren

Raghuram

et al. 2016

Int J Adv Manuf Technol

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Finishing is the final operation during manufacturing process of a component. It is time consuming, difficult, and usually a costly operation. Finishing cost can be as high as 15 % of the total production cost. Magnetic Abrasive Finishing (MAF) is an advanced finishing process in which a mixture of non-ferromagnetic abrasive particles and ferromagnetic carbonyl iron particles (CIPs) is used to do finishing operation with the aid of magnetic force. The iron particles form a flexible chain matrix in which the abrasive particles are trapped in between or within the chains. This is called flexible magnetic abrasive brush (FMAB), which when given a relative motion against a (metal/non-metal) surface, it finishes the surface. The present work deals with the effect of the process parameters such as applied magnetic field, concentration of abrasive particles and iron particles in FMAB, and rotational speed of magnet on the finishing forces that are generated during vertical MAF of ferromagnetic (EN-8) and nonferromagnetic material (brass) flat workpieces. Empirical models for force prediction have been developed based on the experimental results. Effect of the applied magnetic field is seen to have the most significant contribution among all the input parameters. Percentage of oil in FMAB is not a significant factor for normal force, but it is a significant factor to the tangential force. The tangential force increases up to 3 % of oil content in FMAB, and it starts decreasing in the range of 3 to 5 % oil content.

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Parametric study of magnetic abrasive finishing process

Cited by 146 publications

References 6 publications

Experimental investigations into internal magnetic abrasive finishing of pipes

Experimental investigations into internal magnetic abrasive finishing of pipes

Review of Superfinishing by the Magnetic Abrasive Finishing Process

Force analysis of magnetic abrasive nano-finishing of magnetic and non-magnetic materials

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