8/13/2023 0 Comments Mineral oil viscosity indexViscosity – Often referred to as the most important property of a lubricating oil.Īdditives – The additive package used in the lubricant will determine the lubricant’s general category and affects various key performance properties under operating conditions.īase Oil Type – The type of base oil used should be determined by the operating conditions, gear type and other factors.Ĭhoosing an appropriate viscosity grade is usually as simple as finding the recommendation in a component’s maintenance manual. In order to choose the best lubricant for a gear set, the following criteria must be addressed: Proper lubricant selection is a cornerstone of any excellent lubrication program.Ī good understanding of this allows the lubrication engineer to maximize machinery reliability under normal conditions, as well as use lubricant specification as a problem solver in abnormal conditions. When selecting lubricants for industrial gearing, numerous factors must be considered beyond simply selecting a product from the maintenance manual’s QPL, including product availability, operating conditions, the preferred lubricant brand and product consolidation efforts. In addition to understanding and being able to interpret the specifications given by equipment manufacturers, it is important to understand why, and be able to make changes when necessary. It is therefore important for the individuals responsible for selecting lubricants to posses a fundamental understanding of how to specify lubricants for gearing. While some original equipment manufacturers (OEMs) provide generic specifications that consider pertinent parameters, others give only a general specification that may not even consider operating temperatures. Unfortunately, this solution may not always provide optimum lubrication for a given gear set, or maximum efficiency in managing lubricant inventory. How do you know which lubricant is the best fit for a given application? Typically, it is as simple as searching through a maintenance manual and selecting a product from the QPL (qualified product list).
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