Results 111 to 120 of about 1,715 (154)
Surface Microstructure Regulation via Femtosecond Laser for Enhancing Laser Welding Strength of PVC/PA66: Mechanisms and Optimal Parameters. [PDF]
Polymers (Basel)Zhai K +8 more
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Proceedings of the Institution of Mechanical Engineers, Part L: Journal of Materials: Design and Applications, 2021
The material of the mating gear influences the fatigue life of polymer gears. The bending fatigue characteristics of polyamide 66 asymmetric gears (34°/20° and 20°/34°) corresponding to steel–polymer and polymer–polymer material combinations were investigated.
A Karthik Pandian +2 more
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The material of the mating gear influences the fatigue life of polymer gears. The bending fatigue characteristics of polyamide 66 asymmetric gears (34°/20° and 20°/34°) corresponding to steel–polymer and polymer–polymer material combinations were investigated.
A Karthik Pandian +2 more
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Transmission Efficiency of Polymer Spur Gears Meshing with Polymer as Well as Metal Spur Gears
2021Polymer gears are replacing metal gears in various applications nowadays. Polymer gears are deployed in lightweight applications and frequently used in robotic field. Various type of movement takes place in robot. Therefore, transmission efficiency (TE) is a key concerned for robot motion.
Akant Kumar Singh +2 more
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Vehicle System Dynamics, 2016
ABSTRACTThis paper developed a new and simple approach to model polymer draft gears. Two types of polymer draft gears were modelled and compared with experimental data. Impact characteristics, in-train characteristics and frequency responses of these polymer draft gears were studied and compared with those of a friction draft gear.
Wu, Q, Yang, X, Cole, C, Luo, S
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ABSTRACTThis paper developed a new and simple approach to model polymer draft gears. Two types of polymer draft gears were modelled and compared with experimental data. Impact characteristics, in-train characteristics and frequency responses of these polymer draft gears were studied and compared with those of a friction draft gear.
Wu, Q, Yang, X, Cole, C, Luo, S
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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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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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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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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
openaire +1 more source