Results 41 to 50 of about 112 (69)

Surface-energy ratchet motor with geometrical symmetry driven by biased random walk

Scientific Reports
A geometrically symmetric gear with asymmetric surface wettability exhibits one-way spin on a vibrating water bed. On the side face of the gear, a parafilm was coated to create asymmetry in the surface energy.
Miku Hatatani, Daigo Yamamoto, Akihisa Shioi   +2 more
doaj   +1 more source

Design and Analysis of Asymmetric Involute Gear

Jixie chuandong, 2015
The asymmetric involute gear tooth is designed,a collaborative coordinate of rack cutter,gear blanks and frame is built,the end face of rack cutter is designed,the tooth profile equation is determined,the tooth profile is simulated.The stress of single ...
Li Jianguo, Zhang Haiwei, Chen Zhenguo
doaj  

Analysis of Dynamics Characteristic of the Helical Gear Transmission in Helicopter

Jixie chuandong, 2015
The multiaxial helical gear transmission is widely used in helicopter for parallel operation. The dynamics model of the helical gear transmission is established for system inherent characteristic analysis,and the dynamic response is obtained.
Liu Tao, Li Jie, Dai Jinchun
doaj  

Spontaneous unidirectional rotation of a symmetric gear driven by spherical active particles

National Science Open
Time reversal asymmetry and spatial anisotropy are considered two prerequisites for Brownian ratchet. An intriguing realization can be achieved by placing an asymmetric gear in the suspension of motile rod-like bacteria.
Wang Chao, Lian Wenchao, Li Huishu, Tian Wende, Chen Kang   +4 more
doaj   +1 more source

Parametric Modeling and Contact Stress Analysis of Asymmetric Modified Helical Gears

Jixie chuandong
In order to construct an accurate model of asymmetric involute modified helical gears and analyze the influence of pressure angles on its contact stress, based on the gear meshing principle and the secondary development of SolidWorks in C#, a ...
Lin Jiaxiang, Zhao Yuancong, Fu Xuezhong, Xu Haijun   +3 more
doaj  

基于ANSYS的非对称齿轮应力分析

Jixie chuandong, 2013
The geometrical parameter of the asymmetric gear are derived,the tooth profile of is resolved,five sets of asymmetric gears with the pressure angles of 20°/20°、25°/25°、20°/25°、20°/30°、25°/20°、 30°/20° bending stress analysis are carried out to ...
张海伟
doaj  

Improvement and Force Analysis of Flying Shear Gearbox with Single Flywheel for Hot- rolled Plate

Jixie chuandong, 2016
The principle of crank and connecting rod mechanism for the flying shear gear box is analyzed,and a general model of maximum shear torque is deduced for this mechanism.
Liu Qingfeng, Chen Tao
doaj  

非对称齿轮的设计及弯曲应力分析

Jixie chuandong, 2013
A new type of rack cutter for cutting asymmetric gear is designed,the profile equations are deduced,the force of five typical points are analyzed in the transmission process,and five sets of asymmetric gears with the pressure angles of 20°/20°,25°/20°,30°
张海伟
doaj  

一种新型的仿生步行机构及其运动仿真

Jixie chuandong, 2010
Imitating animals asymmetric motion,a new-style bionics walking mechanism is designed by using two tandem planetary gear trains,which is composed of one first swiveling arm,one second swiveling arm,two striding rods and walking bracket,etc.In which,the ...
汪永明, 余晓流, 汪丽芳, 汤文成   +3 more
doaj  

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Research on the meshing characteristics of asymmetric gears considering the tooth profile deviation

Mechanism and Machine Theory, 2022
Shuai Mo, Bingrui Luo, Heyun Bao
exaly