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http://dx.doi.org/10.7735/ksmte.2013.22.4.761

Investigation of Friction Hysteresis in Miniaturized Linear Table Lubricated Withgrease  

Ahn, Sung Woo (Dept. of Mechanical Eng., Korea Polytechnic Univ.)
Jeong, Young Hun (Dept. of Mechanical Eng., Korea Polytechnic Univ.)
Song, Chang Kyu (Nano Convergence and Manufacturing Systems Research Division, KIMM)
Publication Information
Journal of the Korean Society of Manufacturing Technology Engineers / v.22, no.4, 2013 , pp. 761-766 More about this Journal
Abstract
A precision linear motion table plays a crucial role in manufacturing systems used in various industries such as machine tools, semiconductors, and nanofabrication. In particular, one of the most typical mechanisms for a linear motion table is to use a ballscrew and LM guides. However, this mechanism is inevitably influenced by friction because of the relative motion in its joint regions. One of the most complex phenomena in friction is the hysteresis behavior of dynamic friction, which was compared with the steady dynamic friction that was presented using a Stribeck curve in this study. Therefore, we investigated the dynamic friction and its hysteresis behavior using a miniaturized linear table equipped with a ballscrew and LM guides that were lubricated with grease. Subsequently, it could be seen that hysteresis could be considered a time delay after zero-velocity crossing and that it was influenced by acceleration.
Keywords
Hysteresis; Dynamic friction; Linear stage; Stribeck curve; Grease lubrication;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
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