• ISSN: 2010-0248 (Print)
    • Abbreviated Title: Int. J. Innov.  Manag. Technol.
    • Frequency: Quarterly
    • DOI: 10.18178/IJIMT
    • Editor-in-Chief: Prof. Jin Wang
    • Managing Editor: Ms. Nancy Y. Liu
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HOME > Archive > 2013 > Volume 4 Number 1 (Feb. 2013) >
IJIMT 2013 Vol.4(1): 130-136 ISSN: 2010-0248

Reducing Downtime of Repairing for Taper Roller Bearing by Magnetic Abrasive Finishing (MAF) Process

Pawan Kumar Basera and Vijay Kumar Jain

Abstract—BBearings are one of the most important and critical component in the wide variety of machines. Most of the bearings are failed before completing their theoretical life due to the wear, corrosion, contamination, fatigue etc. The cost and time involved in repairing the bearings is very high. In the present work, Magnetic abrasive finishing (MAF) process is developed to reduce the turnaround time of repairing the taper roller bearing. The finishing time varies according to the level of damage of the bearing surface. The surface of the bearing has complex configuration (curved and conical) thus MAF is best suited due to the self-adaptability of the flexible magnetic abrasive brush (FMAB).Permanent magnets are used to hold the FMAB. The experiments performed using the magnetic abrasive powder (MAP) consisting of abrasives (boron carbide(B4C) and diamond), iron powder, de-ionized water and glycerin in appropriate composition. The aim of the present study is to evaluate the impact of vol. % of diamond abrasives, number of magnets and strength of magnets in nano-finishing of taper roller bearings. The experiments were designed as two level full factorial. The basic principle of material removal is three body abrasive wear. It was found that addition of diamond abrasives in the MAP greatly improved not only the finishing rate but % change in surface finish also. The best finish achieved is (Ra=) 36.5 nm from initial (Ra=) 271.5 nm without any surface damage within 24 min. It is concluded that by implementing the present process a highly finished surface of taper roller bearing can be achieved within a short time span depending upon the initial condition of the bearing surface.

Index Terms—Flexible magnetic abrasive brush (FMAB),magnetic abrasive finishing (MAF), magnetic abrasive powder(MAP), turnaround time (TAT).

P. K. Basera is with the Hindustan Aeronautics Limited, Nasik, 422207India (e-mail: psbasera @gmail.com).
V. K. Jain is with the Mechanical Engineering Department, Indian Institute of Technology, Kanpur, 208016 India (e-mail: vkjain@iitk.ac.in).

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Cite: Pawan Kumar Basera and Vijay Kumar Jain, "Reducing Downtime of Repairing for Taper Roller Bearing by Magnetic Abrasive Finishing (MAF) Process," International Journal of Innovation, Management and Technology vol. 4, no. 1, pp. 130-136, 2013.

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