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1 2012

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Analysis of surface roughness on bearing steel parts after cutting, superfinishing and burnishing operations

Neslusan M., Grzesik W., Żak K.

Journal of Machine Engineering

2012

Vol. 12, No. 1

111--118

The different technological operation can form the variety of surface with the different functionality. In this paper the surface texture produced by hard turning of a quenched 100Cr6 steel of 62-64 HRC hardness using mixed ceramic (MC) tools and subsequent superfinishing and multipass burnishing operations is characterized by means of a number of roughness parameters. Both conventional and wiper MC cutting tool inserts were employed. The main objective of this study is to improve service properties of the turned surfaces of bearing parts by additional removal and non-removal treatments in order to obtain smoother surfaces with lower surface roughness and better bearing characteristics.