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Effects of Microscopic Spherical Particles Mixed in Lubricating Oil on Frictional Characteristics of Linear Slide Guide

[+] Author Affiliations
Kazutake Uehara, Fumio Obata, Hisaki Okamoto

Tottori University, Tottori, Japan

Kenichi Inoue

Hitachi Metals, Ltd.

Paper No. WTC2005-63595, pp. 323-324; 2 pages
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME


In order to develop a superior linear slide guide having friction coefficient independent of sliding velocity, the authors have proposed a method to supply microscopic spherical particles to hardened sliding surfaces finely finished by lapping. The frictional characteristics of a slide guide to which the method was applied were investigated using a model of machine tool’s slide guide. Experiments were carried out at the sliding velocity ranging from 1 to 6000 mm/min. Adding spherical particles with a 5 μm diameter to a vegetable lubricating oil having a viscosity of 215 mm2 /s leaded to a constant friction coefficient excluding ultra-low sliding velocity range.

Copyright © 2005 by ASME



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