Results 91 to 100 of about 14,758 (215)
Effect of lubricant jet location on spiral bevel gear operating temperatures [PDF]
An experimental study was conducted to determine the effect of lubricant jet location on spiral bevel gear bulk temperatures. Transient surface temperatures were also measured.
Handschuh, Robert F.
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LubricantsThe temperature field distribution of high-speed double-helical gears under oil injection lubrication is investigated by obtaining heat flux density and convective heat transfer coefficients through theoretical calculations and CFD (computational fluid ...
Xiaozhou Hu, Yangmei Yuan, Jie Chen
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Investigation into micromilling processes for micro thin walls made of Ti-6Al-4V material by customized polycrystalline diamond end mill [PDF]
Mechanical SciencesTitanium alloy, as a material with high specific strength, is prone to severe tool wear during machining, leading to deterioration in the surface quality of the workpiece and presenting significant machining challenges.
Y. Li, X. Cheng
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NASA helicopter transmission system technology program [PDF]
, 1983 The purpose of the NASA Helicopter Transmission System Technology Program is to improve specific mechanical components and the technology for combining these into advanced drive systems to make helicopters more viable and cost competitive for commerical ...
Zaretsky, E. V.
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Supersonic transport lubrication system investigation Third semiannual report, 1 Nov. 1965 - 1 May 1966 [PDF]
Ball bearing and bellows face seals for supersonic aircraft gas turbine engine mainshafts tested with selected lubricants using oil-mist and jet lubrication ...
Rhoads, W. L., Sibley, L. B.
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Rolling-contact bearing reference summary [PDF]
Design and performance of rolling contact ...
Cox, D. B. +3 more
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Gear Lubrication and Cooling Experiment and Analysis [PDF]
A gear tooth temperature analysis was performed using a finite element method combined with a calculated heat input, a calculated oil jet impingement depth, and estimated heat transfer coefficients for the different parts of the gear tooth that are oil ...
Akin, L. S., Townsend, D. P.
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Development of a full-scale transmission testing procedure to evaluate advanced lubricants [PDF]
Experimental tests were performed on the OH-58A helicopter main rotor transmission in the NASA Lewis 500-hp Helicopter Transmission Test Stand. The testing was part of a joint Navy/NASA/Army lubrication program.
Decker, Harry J. +2 more
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Jixie chuandong, 2014 With respect to the oil flux demand among gear mesh points and bearings within gear transmission system,simulation and analysis among several lubrication systems for the specific aircraft engine gearbox are conducted by using network modeling method.Oil ...
郭霞
doaj
Gearing technology in its modern form has a history of only 100 years. However, the earliest form of gearing can probably be traced back to fourth century B.C. Greece. Current gear practice and recent advances in the technology are drawn together.
Coy, J. J. +2 more
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