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Some uses for & properties of E.P. GREASES

Some uses for & properties of E.P. GREASES IT is well known that many types of grease will function very efficiently when lubricated with an oil of suitable viscosity. In such cases, relative motion between engaging gear teeth is small and little heat is generated. When, however, considerable sliding action occurs, as between the teeth of hypoid gears, a straight oil is usually inadequate as a lubricantparticularly when the gears are new. Extreme pressure greases are sometimes employed for these purposes. These greases are specially compounded with a view to improving the film strength to such an extent that rupture does not occur at the highest working pressures encountered. Some valuable characteristics of extreme pressure greases are absence of channelling at low temperatures, no tendency to corrosion or abrasiveness, maintenance of homogeneity under all service conditions, ample capacity to carry the maximum loads and resistance to rupture under high pressures. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Industrial Lubrication and Tribology Emerald Publishing

Some uses for & properties of E.P. GREASES

Industrial Lubrication and Tribology , Volume 2 (8): 2 – Aug 1, 1950

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Publisher
Emerald Publishing
Copyright
Copyright © Emerald Group Publishing Limited
ISSN
0036-8792
DOI
10.1108/eb052071
Publisher site
See Article on Publisher Site

Abstract

IT is well known that many types of grease will function very efficiently when lubricated with an oil of suitable viscosity. In such cases, relative motion between engaging gear teeth is small and little heat is generated. When, however, considerable sliding action occurs, as between the teeth of hypoid gears, a straight oil is usually inadequate as a lubricantparticularly when the gears are new. Extreme pressure greases are sometimes employed for these purposes. These greases are specially compounded with a view to improving the film strength to such an extent that rupture does not occur at the highest working pressures encountered. Some valuable characteristics of extreme pressure greases are absence of channelling at low temperatures, no tendency to corrosion or abrasiveness, maintenance of homogeneity under all service conditions, ample capacity to carry the maximum loads and resistance to rupture under high pressures.

Journal

Industrial Lubrication and TribologyEmerald Publishing

Published: Aug 1, 1950

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