VHVI 기유의 제품 적용 기술에 관한 연구-건설 중장비용 유압유A Study on the Application of VHVI Base Oil-Hydraulic Fluid for Construction Equipments

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This study represents the newly advanced formulation of hydraulic fluids for extended drain interval and introduces the performance results of used oil samples from various excavators. The used oil samples, in this paper, show that there is a sharp change in viscosity drop and moderate additive depletion when viscosity index of hydraulic oil is very high. For the extension of hydraulic fluid life, it is necessary to improve the stability of viscosity and oxidation. New target properties from the used oil analysis were proposed for extended life. Performance of newly developed hydraulic oil based on used oil analysis is compared with previously used one. The properties of new formulation are the viscosity index of 140 and improved thermal stability consists of VHVI base oil. Field test results showed the possibility of extension of fluid life. Additionally, for development of high performance product, new required propertied and performances were discussed.
Publisher
한국윤활학회
Issue Date
2004-02
Language
Korean
Citation

한국윤활학회지, v.20, no.1, pp.33 - 40

ISSN
1229-4845
URI
http://hdl.handle.net/10203/15804
Appears in Collection
ME-Journal Papers(저널논문)
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