Influence of crowning on rolling contact fatigue of steel rollers

M. Fujii, A. Yoshida, S. Bayasgalan, K. Minesgishi, J. Tamenaga

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The rolling contact fatigue of crowned rollers made of bearing steel was investigated with a two-roller test machine under a sliding-rolling contact condition with oil lubricant. The nominal crowning radii of the rollers were 110, 90 and 60 mm. The roller was mated with a non-crowned roller or a roller with a concave crowning radius of 110 mm. In case that no edge load or minor edge load occurred, the failure mode of the rollers tended to be pitting caused by surface cracking and the rolling contact fatigue strength evaluated with the normal load increased with increasing crowning radius. In case that the edge load was great, the failure mode of the rollers tended to be spelling caused by subsurface cracking and the difference in the rolling contact fatigue strength was little.

Original languageEnglish
Pages (from-to)1743-1748
Number of pages6
JournalVDI Berichte
Issue number1904 II
Publication statusPublished - Nov 7 2005

ASJC Scopus subject areas

  • Engineering(all)

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