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Wear Problem in a Linear Hydraulic Actuation System and Solution Using Forced Lubrication

[+] Author Affiliations
Michael Sorokin, Aleksandar Egelja

Caterpillar, Inc., Joliet, IL

Paper No. IMECE2003-41296, pp. 181-187; 7 pages
  • ASME 2003 International Mechanical Engineering Congress and Exposition
  • Fluid Power Systems and Technology
  • Washington, DC, USA, November 15–21, 2003
  • Conference Sponsors: Fluid Power Systems and Technology Division
  • ISBN: 0-7918-3717-3 | eISBN: 0-7918-4663-6, 0-7918-4664-4, 0-7918-4665-2
  • Copyright © 2003 by ASME


The subject of this paper is early hours wear problem of a hydraulic actuator. Material transfer from the actuator housing to the actuator surface was observed after short time of component testing. A general case, where the actuator is tilted in the bore due to side load, is examined. The mechanism of local scuffing (micro-welding) is discussed. The paper describes the theoretical analysis combined with practical experience in solving common wear problems related to poor material pair and lack of lubrication between sliding surfaces. A validated solution is also discussed.

Copyright © 2003 by ASME
Topics: Wear , Lubrication



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