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Effects of Lubricant Thermal Failure
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Lubricants can thermally degrade for a variety of reasons. A common cause of thermal failure in hydraulic fluids and some lubricating oils relates to aeration, i.e., entrained air bubbles. These bubbles can become rapidly compressed in hydraulic pumps and bearing squeeze zones. This results in high localized temperatures. Hot surface carbonization is another form of thermal failure. When an oil thermally degrades, problems associated with sludge, varnish, deposits, viscosity changes and additive decomposition will often occur.
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Stop throwing away perfectly good oil. Instead, start with great oil; then keep it free of contamination. At LE, we have gone 7 years and counting on the same gear oil in one hard-working gearbox. We can help you do the same.
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There are several ways to address contaminated oil drums, from the best practice of using a cleaned and properly sized container for housing and transporting the oil to the worst practice of rinsing and refilling the drum. All methods have pros and cons and will impact the oil's lifespan.
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Be sure your lubrication program meets all the factors for equipment reliability and efficiency. Industry expert Toby Porter, Food and Beverage Industry Market Manager, Klüber Lubrication NA LP, has insights you need to succeed.
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Tiny particles can bring down heavy equipment. Chevron’s ISOCLEAN® Certified Lubricants represent the most stringent OEM standards.
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Dangers of Mixing Greases
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From "Grease Lubrication in Rolling Bearings":
Mixing greases can change performance. More often, mixing leads to loss of consistency, but for some mixtures, hardening may occur. Mixing of greases can also result in lowering of dropping points and changes in oil bleed rate. Individual grease lubricants most often perform better than the grease mixtures.
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Data indicates that 90% of bearing failures are lubrication-related. Noria's Machinery Lubrication I course will teach you everything you need to know about the essentials of precision lubrication.
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Published by
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