The Proceedings of the Materials and processing conference
Online ISSN : 2424-287X
2015.23
Session ID : 620
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620 Influence of bearing surface configurations under bolt head and lubricants on self-loosening characteristics of bolted joints under transverse vibration
Shinji HASHIMURAKyoichi KOMATSUTakefumi OTSUHayato ITO
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Abstract
Influences of lubricants and bearing surface configurations on self-loosening characteristics have been investigated to reveal self-loosing process characteristics. The self-loosening tests for a hexagon head cap screw due to transverse vibration were conducted under lubricated conditions by Machine oil ISO VG46, Molybdenum disulfide grease and Polyisobuthylene which is a special lubricant for bolt tightening. The results showed that the bolted joints lubricated by Polyisobuthylene had a higher resistance for self-loosening than the bolted joints lubricated by Molybdenum disulfide grease and Machine oil ISO VG46.
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© 2015 The Japan Society of Mechanical Engineers
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