Results 81 to 90 of about 16,307 (194)

Investigating the Effect of Water Contamination on Gearbox Lubrication based on Motor Control Data from a Sensorless Drive

open access: yes, 2014
Water is one of the most significant destructive contaminations to lubricants which in turn lead to more power consumption and early damage to rotating machines.
Gu, Fengshou   +4 more
core  

Influence of internal excitation and boxbody flexibility on the vibration of high-speed train gearboxes

open access: yes机车电传动
During the operation of high-speed trains, the loads on the gearbox are very complex, and cracks often occur in the boxbody. To ensure the service safety of the gearbox body, a dynamic model of high-speed trains with a gear transmission system was ...
YU Hongda   +3 more
doaj  

Optimization of Parameters of a Planetary Gearbox Using the Taguchi-Grey Relational Analysis

open access: yes, 2018
Optimization of parameters of central gears of a planetary gearbox was performed in this study. Since the optimization of multi-performance characteristics is more complex compared to optimization of a single-performance characteristics, the Taguchi-Grey
Sandra Velickovic   +3 more
core   +1 more source

Gearbox Reliability Collaborative Phase 3 Gearbox 2 Test Plan [PDF]

open access: yes, 2013
Gearboxes in wind turbines have not been achieving their expected design life even though they commonly meet or exceed the design criteria specified in current design standards. One of the basic premises of the National Renewable Energy Laboratory (NREL)
Link, H.   +3 more
core   +1 more source

Analysis and Test of the Transmission Efficiency of Low Speed and Heavy Duty Gearbox

open access: yesJixie chuandong, 2017
Through the analysis of the influence factors on transmission efficiency of gearbox,a theoretical analysis model of gearbox transmission efficiency is set up from the power consumption,and the influences of gear meshing loss,bearing friction loss,oil ...
Li Youhua, Li Quancai, Liu Zhongming
doaj  

Modelling of multiple failure mechanisms for system reliability prediction [PDF]

open access: yes, 2002
Helicopters are highly dependent on their transmission systems, which provide the vital links from the engines to the rotor and ancillary systems.
Place, C.S., Place, C. S.
core  

Structural Analysis and Load Calculation of CRH380 High-speed Rail Gearbox based on Finite Element

open access: yesJixie chuandong, 2016
Aiming at the crack phenomenon in high- speed gearbox,the force of the suspension gearbox is calculated. The strength analysis of gearbox is carried out by using the finite element software ANSYS Workbench,and the weak position of gearbox is founded and ...
Liu Jie   +3 more
doaj  

Condition monitoring of gearboxes using acoustic emission [PDF]

open access: yes, 2010
Acoustic emission (AE) is one of many technologies for health monitoring and diagnosis of rotating machines such as gearboxes. Although significant research has been undertaken in understanding the potential of AE in monitoring gearboxes this has been ...
Eftekharnejad, Babak
core  

Race Car Gearbox

open access: yes, 2023
This master´s thesis deals with modification of the MQ200 gearbox in the six speed version, as well as the designing of a completely new five speed sequential gearbox for racing cars of the category Rally5.
Pykal, Filip
core   +1 more source

Chaotic Characteristic Verification of Gearbox Vibration Signal based on the Time Synchronous Averaging and Separation Technology

open access: yesJixie chuandong, 2018
The gearbox vibration signal of normal and different degrees teeth break fault condition are analyzed,the chaotic characteristics of the gearbox vibration signal are verified by using the time synchronous averaging method( TSA) to separate the linear ...
Li Jie, Zhao Jianmin
doaj  

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