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NLGI (National Lubricating Grease Institute) |
A new low-cost rheometer is described which can give accurate absolute measurements of shear viscoelastic parameters i.e. G' (storage modulus) and G" (loss modulus) etc. The device uses a compressional mode of deformation and is typically fitted with... |
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NLGI (National Lubricating Grease Institute) |
Our company has been manufacturing lithium soap greases based on polyolester for thirty years, and has many kinds of greases. In these greases "Mul temp SRL" is one of the most excellent greases that has been developed. "Mul temp SRL" has several exc... |
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NLGI (National Lubricating Grease Institute) |
Recently ferrography analysis, known to separate the wear particles from used lubricants, is used to get important information on the operation of machines in various industrial fields. However, it is said that there are many differences in the resul... |
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NLGI (National Lubricating Grease Institute) |
One of the age-old rules of grease manufacturing is to insure grease additives are added at a temperature at or below 90 *C. This study investigates the variations in performance of additives incorporated at 90 *C and 120 *C. The base grease used is... |
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NLGI (National Lubricating Grease Institute) |
Fossil fuel-derived materials were the first substances recognized as carcinogenic in animal studies. Extensive analysis revealed that their carcinogenicity was mediated by a class of compounds, or PACs. Subsequent epidemiology studies showed that... |
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NLGI (National Lubricating Grease Institute) |
Grease characteristics (penetration, dropping point, residual base oil content, acid value of base oil, etc.) were examined as greases reached the end of lubricating life, the point of bearing seizure, when two type of roller bearings NU320 (inner... |
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NLGI (National Lubricating Grease Institute) |
The nature of the lubricant film; its chemical composition, structure and adherence, plays an important role in the lubrication process. There have been many studies in fluid film lubrication where the composition of the surface films has been analys... |
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NLGI (National Lubricating Grease Institute) |
Constant velocity joints (CVJs), as used to transmit torque in the drivelines of automobiles and light trucks are complex systems and demanding in their lubrication requirements. This paper explains some of the tribology of CVJs and describes the... |
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NLGI (National Lubricating Grease Institute) |
Tractor hydraulic fluid is an all-purpose lubricant designed for hydraulic, transmission, axle, and wet brake systems on farm tractors and construction equipment. The viscosity requirements of current fluids fall into two major categories: one for us... |
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NLGI (National Lubricating Grease Institute) |
The University of Northern Iowa's Ag-Based Industrial Lubricants (UNI/ABIL) Research Program has targeted greases as leading applications for broader integration of soybean oil into industrial lubricant markets. The improved biodegradability and toxi... |
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NLGI (National Lubricating Grease Institute) |
Brief description of topic Heavy load applications are often lubricated with solid lubricants containing greases. The paper will focus on further development of solid free alternatives based on lithium-calcium complex thickener. Results are shown... |
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NLGI (National Lubricating Grease Institute) |
The analytic and bearing performance results of a series of greases blended with and without a polymeric additive will be presented in Part 1. In all, five fully blended Li-complex based greases were tested in this work. Pre and post-test analytical... |
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NLGI (National Lubricating Grease Institute) |
The paper titled; "FP Additized Greases - Part 2: Rheological Test Development and Correlation", extends rheological test methods utilizing controlled stress rheometry to characterize five fully blended Li complex greases evaluated in Part 1 in a KRL... |
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NLGI (National Lubricating Grease Institute) |
The product is a semi-fluid grease which is specifically formulated for mist-free operation in pneumatic rockdrills or similar mine drilling equipment and meets the specifications of the equipment manufacturers. This product provides a more productiv... |
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NLGI (National Lubricating Grease Institute) |
Group II and III lubricating base oils are high quality oils containing less than 10% aromatics and less than 300 ppm sulfur as defined by API publication 1509. Group II and III base oils made using a hydrocracking/ISODE-WAXING*/ hydrofinishing catal... |
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NLGI (National Lubricating Grease Institute) |
A controversy has been growing lately - especially last year - on wheel-end lubrication. Lubricant related failure of outer bearings that led to a series of incidents which caused alarm in the industry. Reportedly, a number of trailers suffered wheel... |
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NLGI (National Lubricating Grease Institute) |
The challenges of developing and successfully marketing a Biodegradable Nontoxic lubricating grease are not limited to the identification and selection of base fluid (natural vegetable oil, synthetic ester, polyols, etc.), addititive package (non-tox... |
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NLGI (National Lubricating Grease Institute) |
At the turn of the twentieth century, Oldsmobile pioneered manufacturing by creating the assembly line. Twenty years later, Ford Motor Company perfected it. That concept has proven successful for over 100 years. As the 21st century nears, the assembl... |
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NLGI (National Lubricating Grease Institute) |
The SAE-Aerospace committee was formed in 1997 with the intention of consolidating different Aerospace greases' specifications. During the ELGI in Islo, June 1999, this committee completed the new Aerospace grease specifications. The new specificatio... |
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NLGI (National Lubricating Grease Institute) |
Among the large number of lubricant additives, the group of solid lubricants presents a supplement to metalorganic compounds. Their effectiveness is not dependent on a reaction temperature, but rather specific pressure to form a film in the... |
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