International Journal of Modern Science and Technology · ISSN 2456-0235

Research Article · Life Sciences · Volume 2, Issue 11 · Nov 2017 · Pages 373–376

Shot Peening of Induction coil Hardened Spur Gear Tooth to Avoid Failure

Pawan Kumar, M. L. Aggarwal

  • Pawan Kumar: Department of Mechanical Engineering, YMCA University of Science and Technology, Faridabad-, 121006, Haryana, India.
  • M. L. Aggarwal: Department of Mechanical Engineering, YMCA University of Science and Technology, Faridabad-, 121006, Haryana, India.

Abstract

Spin hardening inductors uses several design parameters and only the gear teeth can be case surface hardened without affecting the other surface of gear. The induction coil hardened gears are typically tempered for less than a minute time as compared to normal tempering process of one hour at a specified temperature. It is observed that the required surface properties on gear are not achieved and needs improvement by shot peening. Effect of shot peening on surface properties of gear has been discussed in the present work. A hardness model has been worked out using response surface methodology for shot peened gear. Present work is about analyzing various surface properties of hardened and shot peened spur gear using spin hardening inductors and comparing it with non-peened surface.

Keywords

Liquid Induction hardness; Spur gear; Response Surface Methodology; Shot peening

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