Results 221 to 230 of about 1,093,651 (250)
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Analysis of efficiency of spur ground gears and the influence of running-in
Tribology International, 2016High-performing gear transmissions are needed to reduce CO2 emissions. In this paper an FZG gear test rig was used to investigate how two running-in loads affects the gear mesh efficiency for two d ...
S. Sjöberg +3 more
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Ground Gears and Transmission Design
SAE Technical Paper Series, 1928<div class="htmlview paragraph"><b>G</b>ROUND teeth for transmission gears are advocated because they can be made to the same degree of accuracy as the other fine working-parts of a motor-car.</div> <div class="htmlview paragraph">The designing engineer is held responsible for conditions unfavorable to the adoption of gear
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OIL-TREATED STEEL AND GROUND GEARS
SAE Technical Paper Series, 1924<div class="htmlview paragraph">The Cadillac Company has used S.A.E. 3250 steel for at least 8 years. This is medium nickel-chromium steel. Many other kinds have also been tried. Experience has shown that transmission gears made of carburized steel are not within 30 per cent as accurate as those made of oil-treated steel.
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North Sea GOV ground gear bag trials
2009No abstracts are to be cited without prior reference to the author.The UK fishing industry has argued that the international bottom trawl survey carried out in English waters on the RV Cefas Endeavour is not representative of the numbers of fish, especially cod, in the North Sea. They are particularly concerned with the setup of the ground gear. During
Harley, Brian +2 more
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Traditional vs. novel ground gears: Maximising the environmental performance of penaeid trawls
Fisheries Research, 2015The engineering and catching performances of four penaeid-trawl ground gears (all 6.95. m) were compared using a 4.41-m beam-trawl assembly designed to eliminate the confounding effects of other trawl components. Three ground gears comprised either 6- (4.5 and 3.80. kg in air and water), 8- (8.42 and 6.88. kg) or 10-mm (13.07 and 11.20.
Broadhurst, Matt K. +2 more
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Relative benthic disturbances of conventional and novel otter boards and ground gears
Fisheries Science, 2019A benthic trawl’s substrate contact (e.g. spreading mechanisms (i.e. otter boards) and ground gears) determines both its catching efficiency and the extent of perceived habitat impacts. The potential for mitigating habitat impacts was investigated here via the novel ‘batwing’ otter board and ‘soft-brush’ ground gear.
Matthew J. McHugh +3 more
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Elastohydrodynamic response of transverse ground gear teeth
2002Abstract The paper presents numerical results for the elastohydrodynamic lubrication of gear teeth taking their real surface roughness profiles into account. The conditions examined have surface roughness features that are large compared to the EHL film thickness.
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Volume 6: 8th International Power Transmission and Gearing Conference, 2000
Abstract In this research, we discuss about the peculiar vibration behavior of a helical gear pair that appears at non-integer order of the meshing frequency. It is supposed that the vibration is generated because of the undulation on tooth surfaces having different cycles of transmission error from tooth mesh cycle. But, it is difficult
Shigeki Matsumura +3 more
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Abstract In this research, we discuss about the peculiar vibration behavior of a helical gear pair that appears at non-integer order of the meshing frequency. It is supposed that the vibration is generated because of the undulation on tooth surfaces having different cycles of transmission error from tooth mesh cycle. But, it is difficult
Shigeki Matsumura +3 more
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Evaluation of Relation between Friction Coefficient and Oil Film Thickness of Ground Gear
The Proceedings of the Machine Design and Tribology Division meeting in JSME, 2022Takehisa KAHINO +5 more
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Suppression of ground resonance in rotorcraft using active landing gear
Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 2022Arjun Krishnan, Mark Costello
exaly