Effects of oil traction velocity and relative sliding velocity on friction behavior in forming mild steel

Kuniaki Dohda*, Zhrgang Wang

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A series of experiments was conducted using a rolling-type tribometer to clarify the effects of the oil traction velocity V, average of the friction roll velocity and the workpiece velocity at the inlet to the contact zone, and the relative sliding velocity ΔV during deformation on friction behavior in metal forming. Experiments using mild steel strips with a dull surface for various lubricants showed that the friction stress and friction coefficient decrease with increasing forming velocity especially at high forming velocity. The variation in the friction stress may be due to the increase in ΔV derived from the increase of the forming velocity because the friction stress decreases with increasing ΔV but varies little with increasing V. It was also confirmed that the increase of ΔV promotes flattening of the workpiece asperities.

Original languageEnglish (US)
Title of host publicationTribology in Manufacturing Processes
PublisherASME
Pages183-193
Number of pages11
Volume30
StatePublished - Dec 1 1994
EventProceedings of the 1994 International Mechanical Engineering Congress and Exposition - Chicago, IL, USA
Duration: Nov 6 1994Nov 11 1994

Other

OtherProceedings of the 1994 International Mechanical Engineering Congress and Exposition
CityChicago, IL, USA
Period11/6/9411/11/94

ASJC Scopus subject areas

  • Engineering(all)

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