By Robert M. Gresham, George E. Totten
A-Z consultant for max expense relief and elevated gear Reliability
To stay globally aggressive, today’s production operations have enormously superior, yet there's one final hyperlink within the development evolution. The reliability of producing gear has to be greater as a way to maximize the efficient lifetime of the gear, put off unscheduled close downs, and decrease working charges. those are key parts to preserving a delicate paintings move and a aggressive area.
Written via peer-recognized specialists, Lubrication and upkeep of commercial equipment: Best Practices and Reliability presents the mandatory instruments for upkeep execs who're answerable for the final operational services. With chapters culled from the second one variation of the Handbook of Lubrication and Tribology, quantity 1 and a brand new introductory bankruptcy, this extra really expert and concentrated paintings provides severe lubrication info that may be used each day to accomplish larger laptop reliability. Incorporating lean tools, this source can be utilized through everybody enthusiastic about the creation approach, from supervisors to flooring group of workers. Recommended for STLE’s qualified Lubrication Specialist® Certification In addition to lubrication application improvement and scheduling, this quantity additionally covers serious parts of the reliability equation, comparable to: This e-book fills a distinct segment through in particular and comprehensively targeting lubrication as a part of the general upkeep software. less than the editorial assistance of 2 of the main revered names within the box, this seminal paintings is destined to develop into an standard.
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Extra resources for Lubrication and Maintenance of Industrial Machinery: Best Practices and Reliability
Sample text
In this case, reproducibility is as poor as for the IP 177/ASTM D664 method. In this case, the method suggests a “back titration” with a much poorer range of reproducibility and repeatability. 6. There is no sharp decline in the initial stages of the test. There is a clear difference in results from the same samples between the IP 276/ASTM D2896 and the IP 177/ASTM D664 methods. As before, it is generally held that a lubricant with a base number approaching a value of 2 should be replaced. The test results have the same values as for the IP 177/ASTM D664 method.
When used to determine water in new and degraded formulated lubricants and hydraulic fluids, the method overdetermines a “water response” because the reagent not only reacts with water but also some of the additives present. This is a problem because the Karl Fischer response for a new oil can give a blank value of 2%, mainly from the additive pack. 2% or lower; thus, the failure limit is an order of magnitude less than the blank value. Worse, however, is the problem of the oil additives degrading during service life, which may form unknown compounds that may or may not react with the Karl Fischer reagent.
R For automotive applications, two trends lead to increased particulate levels: Exhaust gas recirculation, for environmental exhaust emission reduction, primarily for NOx, having the additional beneficial effect for emissions of depositing particulate into the lubricant rather than being emitted. However, this creates a problem of enhanced particulate levels for the lubricant. Strong consumer pressure for increased service intervals, already up to and beyond 50,000 mi (80,000 km) for trucks and 30,000 mi (∼50,000 km, or every 2,000 years) for some new 2005 light vehicles.
