Performance requirements and case histories for a specialized industrial gear lubricant for use in underground coal mining
- Century Lubricants, Kansas City (United States)
The recent release of a new gear lubricant specification by an original equipment manufacturer from the mining industry is an indication that the need for a new specification is recognized in other segments of the mining industry. unfortunately, this new specification appears too ambitious in at least one of it`s performance requirements and not ambitious enough in some of it`s other requirements. This new specification requires that the lubricant be able to emulsify 50% (by volume) water for at least 24 hours. It is technically difficult to achieve this goal and at the same time retain some of the other properties that are essential to the success of a specialized lubricant for underground mining applications. The ability to maintain excellent anti-wear and extreme pressure performance even when water and solid contamination is present is one such property. This effort to incorporate contamination tolerance into a gear lubricant specification should be applauded but it also needs to be recognized that any new gear lubricant specification that attempts to do so should be based on and evolved from existing specialized gear lubricants. A review of the data presented leads to the conclusion that there needs to be a better benchmark available to insure that the enclosed gear lubricants used in underground mining will provide the best service possible. It is more than a matter of upgrading the US Steel 224 lubricant specification. A new enclosed gear lubricant benchmark specification which deals with the important contamination issues that are found in the mining environment is needed.
- OSTI ID:
- 143747
- Report Number(s):
- CONF-930646-; TRN: IM9413%%257
- Resource Relation:
- Conference: Longwall USA conference, Pittsburgh, PA (United States), 8-10 Jun 1993; Other Information: PBD: 1993; Related Information: Is Part Of Longwall U.S.A.: Conference papers; PB: 291 p.
- Country of Publication:
- United States
- Language:
- English
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