The influence of lubricant film thickness on friction coefficients during slow speed deep drawing operations

被引：3
|
作者：
Gilmour, KR [1 ]
Paul, S [1 ]
Leacock, AG [1 ]
机构：
[1] Univ Ulster, Sch Elect & Mech Engn, Fac Engn, Jordanstown, North Ireland
来源：
JOURNAL OF TRIBOLOGY-TRANSACTIONS OF THE ASME | 2002年 / 124卷 / 04期
关键词：
D O I：
10.1115/1.1330732
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
During some deep drawing operations liquid lubricants are used under the blankholder reduce friction coefficients. Under the clamping action of the blankholder; lubricants will be squeezed out resulting in a changing film thickness after the initial application of the blankholder load. A relationship between kinetic friction coefficient values and the loading duration of the blankholder can be observed from analysis of results recorded during simulative testing. By using a numerical model to combine empirical measurements. friction coefficients during boundary lubrication, lubricant film thickness with sheet surface topography data, it can be shown that the coefficient of friction can reliably be predicted for a given loading duration.
引用
收藏
页码：846 / 851
页数：6
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