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Finite element method model to predict bulk and flash temperatures on polymer gears [PDF]
Tribology International, 2018 A FEM thermal model was implemented to predict the bulk and flash temperature of gears in general and polymer gears in particular. Using the capabilities of a gear power loss model previously validated, a solution for the temperature rise and ...
CARLOS M C G Fernandes +2 more
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Friction and Wear of Engineering Polymer Gears
World Tribology Congress III, Volume 2, 2005Technical polymers are widespread in the machinery owing to their beneficial properties against metals as operation without lubrication, low friction and wear, light weight, corrosion resistance, low manufacturing costs etc. There are many sorts of technical polymers available of which sliding elements can be produced.
Ga´bor Kala´cska +4 more
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The wear behaviour of polymer composite gears
Journal of Synthetic Lubrication, 1996AbstractIn order to examine the wear of polymer composite gears, a test facility has been developed which has enabled the wear of gear trains to be measured continuously during gear operation. Brief details of the method are given. The purpose of this paper is to report some of the results obtained from this facility and, in particular, to discuss the ...
K. Mao, C. J. Hooke, D. Walton
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Polymer gears offer advantages such as good tribological performance, self-lubrication, low cost, lightweight design, and minimal vibration. They can be used in mechanisms where lubrication is not needed to prevent contamination from lubricants. Minimizing heat generation is crucial to maintain the optimal tribological properties of these gears.
Charles Nutakor +2 more
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Charles Nutakor +2 more
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Effect of Mating Metal Gear Surface Texture on the Polymer Gear Surface Temperature
Materials Today: Proceedings, 2015Abstract Gear performance is significantly influenced by the interacting surface conditions; however, very few attempts have been made to understand the effect of mating surface condition. In this work, injection molded polypropylene gears were meshed with machined metal gears having different surface conditions.
A. Johnney Mertens, S. Senthilvelan
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Journal of Tribology, 1993
A design of a four square gear test rig that allows the wear of polymer and composite gears to be monitored continuously during operation is described. The wear behavior of three typical gear materials is examined and it is shown that the wear characteristics differ greatly.
C. J. Hooke +4 more
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A design of a four square gear test rig that allows the wear of polymer and composite gears to be monitored continuously during operation is described. The wear behavior of three typical gear materials is examined and it is shown that the wear characteristics differ greatly.
C. J. Hooke +4 more
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Performance of gear pumps in polymer processing
Polymer Engineering & Science, 1984AbstractWithin the past several years considerable interest has developed in the practice of retrofitting plasticating extruders with gear pumps. The primary motivation for this is to reduce surges and fluctuations in the extrusion rate, thereby improving product quality and reducing waste.
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Experimental Investigation of Polymers Gears to the Composite Gears
2022S. Aswin Kumar +3 more
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Engine NVH performance improvements with polymer gears
2019Legislation drives the automotive megatrend to reduce fuel consumption and CO2 is resulting in small high output 3 and 4 cylinder engines. While customers have raised expectations on driving comfort, the smaller high output engines have inherent vibration noise, vibration and harshness (NVH) issues.
Björn Fink +4 more
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Convective heat transfer modelling in dry-running polymer spur gears
International Journal of Mechanical Sciences, 2023VÍCTOR Roda-Casanova +2 more
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