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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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Study on Assembly Process of a Large Wind Power Gearbox
Jixie chuandong, 2016 Aiming at the three assembly process difficulties of pin hole connection between cases,planetary wheel bearing,planetary gear train of wind power increasing gearbox with the technical structure of planetary closed differential transmission,the deeply ...
You Jing, Zou Junwei, Huang Junqiong
doaj
Jixie chuandong, 2007 Based on the fundamental formulas, the diagrams are derivated and drawn reflecting the relationship between the structure and power flow of closed planetary gear train. They can be applied to analyze existed trains for the power flow direction.
卢存光, 段钦华
doaj
Assessment of worm gearing for helicopter transmissions [PDF]
A high-efficiency hydrostatic worm gear drive for helicopter transmissions is assessed. The example given is for a large cargo helicopter with three 4000-kW engines and transmission reduction ratio of 110. Also contained are: an efficiency calculation, a
Chaiko, Lev
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Strength Analysis of Planetary Gear Train of A New Shearer Cutting Unit
Jixie chuandong, 2015 Taking the planetary gear train in a new type of thin seam shearer cutting part as the research object,based on multi-body dynamics theory,the rigid-flexible coupled model of the shearer cutting part is established,and the dynamic simulation analysis is ...
Zhao Lijuan, Qiao Meina, Lan Jinbao
doaj
Advanced transmission studies [PDF]
The NASA Lewis Research Center and the U.S. Army Aviation Systems Command share an interest in advancing the technology for helicopter propulsion systems.
Bill, Robert C., Coy, John J.
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Jixie chuandong, 2012 According to the load sharing mechanism of the series planetary gear train and consideration the effects of manufacturing errors,assembly errors,mesh stiffness and the clearance floating coefficient,the analysis model is set up.The load sharing ...
刘文彬, 刘更, 李阳
doaj
Drive train dynamic analysis [PDF]
A method for parametric variations in drive train dynamic analysis is described. The method models the individual components of a drive system, forms the appropriate system interface coordinates and, calculates the system dynamic response at particular ...
Giansante, N.
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Engineering analysis and test results of the pre-stage planetary gear trains for wrist rotation and pitch assembly and azimuth and elevation assembly of the extendable stiff arm manipulator kit assembly [PDF]
In order to improve the performance capability of the Extendable Stiff Arm Manipulator (ESAM) it was necessary to increase the overall gear ratio by a factor of approximately four.
Morris, R. N.
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Enhanced diagnosis of planetary gear train faults based on bispectrum and attention mechanism deep convolutional generative adversarial networks. [PDF]
Sci RepYang D, Zhang Y, Li R, Long H, Huang C.
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