Results 41 to 50 of about 33,818 (247)

A Semi-analytical Calculation Method for Time-varying Meshing Stiffness and Transmission Error of Spiral Bevel Gear

Jixie chuandong, 2019
The traditional method of calculating time-varying meshing stiffness of spiral bevel gears mostly adopted finite element static analysis method, but it needed to be calculated many times, also the single tooth meshing stiffness calculated by the mean ...
Liao Ping, Wei Jing, Zhang Aiqiang, Zhang Weiqing   +3 more
doaj  

A time-frequency analysis approach for condition monitoring of a wind turbine gearbox under varying load conditions [PDF]

, 2015
This paper deals with the condition monitoring of wind turbine gearboxes under varying operating conditions. Generally, gearbox systems include nonlinearities so a simplified nonlinear gear model is developed, on which the time–frequency analysis method ...
Antoni, Antoni, Badaoui, Bartelmus, Bartelmus, Chaari, Endo, Feldman, Feng, Flandrin, G. Manson, Gabor, Howard, Huang, I. Antoniadou, Inalpolat, Inalpolat, Junsheng, K. Worden, Kahraman, Kahraman, Kahraman, Lim, Maragos, Ozguven, Parey, Parey, Parker, Peng, Ricci, Stander, Stander, Staszewski, Staszewski, T. Barszcz, Theodossiades, Theodossiades, Vaishya, W.J. Staszewski, Wang, Worden, Wu   +41 more
core   +1 more source

Time-Varying Meshing Stiffness and Dynamic Parameter Model of Spiral Bevel Gears with Different Surface Roughness

Applied Sciences
In order to explore the time-varying mesh stiffness and dynamic parameters of bevel gears with different surface roughness, the fractal dimension and characteristic scale coefficient are calculated to determine the fractal dimension of tooth surfaces of ...
Zhi-Jie Cai, Xi-qing Zheng, Hui-qing Lan, Liu-Na Wang, Si-Wei Yang, Rui Sheng   +5 more
semanticscholar   +1 more source

Stiffness Calculation and Influence Factor Analysis of Spur Gear Pair Considering Time-varying Friction

Jixie chuandong, 2019
Aiming at the problem of time-varying friction in the meshing process of spur gear pair, the meshing model of spur gear pair is established, and the relative sliding velocity, rolling speed, sliding-rolling ratio, comprehensive radius of curvature and ...
Tao Zhang, Zeyin He, Shirong Yin, Shizheng Sun   +3 more
doaj  

Dynamic Analysis of Helical Gears With Sliding Friction and Gear Errors

IEEE Access, 2018
In helical gears, the meshing stiffness fluctuation caused by the time-varying contact lines and gear errors is a main factor affecting the dynamic characteristics of the helical gears.
Wenchao Mo, Yinghou Jiao, Zhaobo Chen
doaj   +1 more source

Static stiffness modeling and sensitivity analysis for geared system used for rotary feeding [PDF]

, 2013
The positioning accuracy of rotary feed system under load greatly depends on the static stiffness of mechanical transmission system. This paper proposes a unified static stiffness model of rotary feed system with geared transmission system.
Han, Lin, Tian, Yanling, Wang, Fujun, Xiao, Hui, Zhang, Dawei   +4 more
core   +1 more source

An improved time-varying mesh stiffness calculation method and dynamic characteristic analysis for helical gears under variable torque conditions

Advances in Mechanical Engineering, 2023
Based on the slice theory and numerical calculation methods, the time varying meshing stiffness (TVMS) calculation method of the gear pair was constructed for the helical gear pair of a electric continuously variable transmission (ECVT), and the TVMS of ...
Xiaolan Hu, Xianghuan Liu, Dejun Zhang, Bing Zhou, Yiping Shen, Yunshan Zhou   +5 more
semanticscholar   +1 more source

Dynamics of a Gear System with Faults in Meshing Stiffness [PDF]

, 2004
Gear box dynamics is characterised by a periodically changing stiffness. In real gear systems, a backlash also exists that can lead to a loss in contact between the teeth.
Friswell, Michael I., Litak, Grzegorz
core   +1 more source

Simulation Research on the Time-Varying Meshing Stiffness and Vibration Response of Micro-Cracks in Gears under Variable Tooth Shape Parameters

Applied Sciences, 2019
The gear is one of the important parts of a rotary gearbox. Once catastrophic gear failure occurs, it will cause a great threat to production and life safety.
Jianfeng Ma, Tongtong Liu, C. Zha, L. Song   +3 more
semanticscholar   +1 more source

Numerical Simulation of the Influence of Gear Modification on the Meshing Stiffness

Jixie chuandong, 2020
In order to explore the influence of gear modification on the meshing stiffness，two different methods are used to calculate the gear meshing stiffness.First，the gear is parametrically modeled by Pro/E secondary development，and the gear model is imported ...
Wang Zhiqin, Wang Xiaosun, Wang Shiru, Wu Shijing   +3 more
doaj