The analysis of fretting fatigue failure in backup roll and its prevention

Masanobu Kubota, Hidenori Odanaka, Chu Sakae, Yoshihiro Ohkomori, Yoshiyuki Kondo

Research output: Contribution to journalConference article

2 Citations (Scopus)

Abstract

In the present research, a fretting fatigue failure in a backup roll (BUR) was examined. Fretting fatigue properties of the roll material were experimentally obtained and the prevention of the fretting fatigue failure was proposed. BUR is one of the most important components in a steel making rolling mill for the control of plate thickness and flatness. The BUR was initially supported by oil film bearings. Recently, oil film bearings have been rapidly replaced by roller bearings for the purpose of high-precision rolling. After the replacements, fretting fatigue failures of BUR have begun to occur. Rotating bending fatigue tests were performed with a 40 mm diameter shrink-fit axle to evaluate the fretting fatigue strength of the BUR material and to examine the improvement of the fretting fatigue strength of the holding part of the BUR. The effects of roller machining and overhanging of the contact edge on the fretting fatigue strength were investigated. Based on the results of this study, roller machining was applied to the holding part of the BUR. Furthermore, the diameter of the holding part of the BUR was increased. No failure occurred due to fretting in the BUR for more than four years since these countermeasures were applied.

Original languageEnglish
Pages (from-to)434-445
Number of pages12
JournalASTM Special Technical Publication
Issue number1425
Publication statusPublished - Jan 1 2002
EventFretting Fatigue: Advances in Basic Understanding and Applications - Nagaoka, Japan
Duration: May 15 2001May 18 2001

Fingerprint

fatigue
Fatigue of materials
Bearings (structural)
Machining
Roller bearings
Rolling mills
Axles
analysis
oil
Steel
mill
replacement
steel
Fatigue strength
Oils

All Science Journal Classification (ASJC) codes

  • Engineering(all)

Cite this

Kubota, M., Odanaka, H., Sakae, C., Ohkomori, Y., & Kondo, Y. (2002). The analysis of fretting fatigue failure in backup roll and its prevention. ASTM Special Technical Publication, (1425), 434-445.

The analysis of fretting fatigue failure in backup roll and its prevention. / Kubota, Masanobu; Odanaka, Hidenori; Sakae, Chu; Ohkomori, Yoshihiro; Kondo, Yoshiyuki.

In: ASTM Special Technical Publication, No. 1425, 01.01.2002, p. 434-445.

Research output: Contribution to journalConference article

Kubota, M, Odanaka, H, Sakae, C, Ohkomori, Y & Kondo, Y 2002, 'The analysis of fretting fatigue failure in backup roll and its prevention', ASTM Special Technical Publication, no. 1425, pp. 434-445.
Kubota, Masanobu ; Odanaka, Hidenori ; Sakae, Chu ; Ohkomori, Yoshihiro ; Kondo, Yoshiyuki. / The analysis of fretting fatigue failure in backup roll and its prevention. In: ASTM Special Technical Publication. 2002 ; No. 1425. pp. 434-445.
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