期刊
INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY
卷 54, 期 5-8, 页码 489-493出版社
SPRINGER LONDON LTD
DOI: 10.1007/s00170-010-2951-5
关键词
Lubrication; Average flow theory; Surface waviness; Rolling force; Rolling friction
资金
- National High Technology Research and Development Program of China (863 Program) [2009AA03Z515]
Lubrication in cold rolling plays an important part for process feasibility and process quality. The hydrodynamic process of lubrication is very complicated and affected by many material and process parameters. This paper examined partial lubrication in the cold rolling process. The average flow Reynolds equation for rolling lubrication was 2set, which considered the pressure-viscosity and average flow effects. Lubricating factors such as sidling, surface waviness, lubricant viscosity, surface roughness, and reduction ratio were investigated. The results of the lubrication equation show that sliding, lubricant viscosity, and surfaces roughness affect the values of rolling friction. Surface waviness and reduction ratio also influence both rolling pressure and rolling friction.
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