Experimental Examination on Finishing Characteristics of Aluminum Pipes in Magnetic Abrasive Machining Using SiC Contained Glued Magnetic Abrasives

Authors

  • Palwinder Singh Mechanical Engineering Department, Baba Banda Singh Bahadur Engineering College, Fatehgarh Sahib, Punjab 140407, India
  • Lakhvir Singh Mechanical Engineering Department, Baba Banda Singh Bahadur Engineering College, Fatehgarh Sahib, Punjab 140407, India

DOI:

https://doi.org/10.48048/tis.2022.6182

Keywords:

Magnetic abrasive machining, Finishing of pipe, Glued magnetic abrasives, Central composite design, Surface finish, Scanning electron microscopy

Abstract

With the rapid development in the industry, applications of finished parts are increasing day by day. However, the surface finish of the parts fabricated by conventional processes could not readily meet the requirements of various applications. Therefore, post-processing is needed to further improve the surface quality. Magnetic abrasive machining uses a flexible magnetic abrasive brush to remove material from the workpiece surface at a controllable rate. This cutting tool sticks to the workpiece during finishing operation and exerts a small force on the surface. In magnetic abrasive machining, the cutting tool neither requires compensation nor dressing. In this paper, the internal finishing of aluminum pipes has been investigated in magnetic abrasive machining tests using silicon carbide-based glued magnetic abrasives. For evaluating the performance of these magnetic abrasives, experimental work according to the central composite design technique was carried out to finish the aluminum pipes. The results so obtained were analyzed to study the influence of process parameters like magnetic field strength, speed of workpiece, abrasive mesh size and quantity of magnetic abrasives on percentage improvement in surface finish and material removal rate. The analysis showed that magnetic field strength was the most effective parameter while finishing the aluminum pipe followed by the quantity of magnetic abrasives. The finishing at optimal condition resulted in a surface finish of 0.07 μm. Further, scanning electron microscopy of the surface before and after magnetic abrasive machining was taken to study the improvement in surface finish.

HIGHLIGHTS

  • Magnetic abrasive machining (MAM) of aluminum work specimens have been performed by SiC-based magnetic abrasives
  • The central composite design has been used for planning and execution of experiments
  • The surface finish and material removal rate of the machined work specimens have been analysed as a performance measure of MAM process
  • The high value of improvement in surface finish and material removal rate at optimum machining conditions have been observed
  • Scanning electron microscopy (SEM) has been employed to study the surface topography of machined surfaces


GRAPHICAL ABSTRACT 

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Published

2022-10-04

Issue

Vol. 19 No. 19 (2022): Trends in Sciences, Volume 19, Number 19, 1 October 2022

Section

Research Articles

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