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Sunflower Based Grease for Heavy Duty Applications

[+] Author Affiliations
J. Barriga, A. Igartua, A. Aranzabe

Tekniker, Otaola, Spain

Paper No. WTC2005-63484, pp. 481-482; 2 pages
doi:10.1115/WTC2005-63484
From:
  • 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

abstract

There is a great consumption of grease in an excavator (∼200 Kg/year). This big amount of lubricant is poured directly to the environment. A grease based in sunflower oil and polymer thickener has been developed. An extensive tribological characterization has been carried out in order to ensure a good compromise between EP and AW properties so that the grease could be used in two different applications: in the reduction gear (crown) and in the articulations (bushing/pin). The performance of the biogrease has been compared with two reference mineral lubricants.

Copyright © 2005 by ASME

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