Identification of the 3D Vibratory Motion of a Rigid Body by Accelerometer Measurements by Francesca Di Puccio, Paola Forte

“…In this study, an experimental procedure is proposed and applied to identify the rigid-body vibratory motion of the steering wheel of a sporting car, by means of six linear accelerometers. …”
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Measurement of total normal length of helical cylindrical gears by three-axis indicator on five-axis CNC machine by A. G. Kondrashov, D. T. Safarov

“…The article discusses a method for automated measurement of the length of the general normal of a helical cylindrical wheel, which allows to obtain its exact value without removing the part after gear processing with disk or end mills. …”
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Development of zinc strand continuous casting into a rotor die for anode production by E. F. Baranovsky, V. M. Iljushenko, V. A. Pumpur, G. P. Korotkin, A. I. Kalentionok

“…The article describes the structure of an experimental setup for a 10 mm zinc strand continuos casting into a mold of a 'wheel-belt” type. The mold cooling parameters, casting modes and results of production tests of zinc anodes out of cast strand are given.…”
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Design and Application of Spiral Bevel Gear Chamfering Tool based on Kimos by Jingcai Li, Junfang Ma, Wenli Xu, Jia Man

“…When the special chamfering machine is widely used to chamfering currently chamfer the end face of spiral bevel gears in the domestic， the adjustment of the grinding wheel is complex， the preparation time is long and the precision is difficult to guarantee. …”
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Drive Scheme and Motion Simulation of the Planetary Stairs-climbing Wheelchair by Fan Xingguang, Li Yi, Jia Liang

“…The stairs- climbing wheelchair can be divided into several types according to the principle,including the crawler type,planetary wheel type and foot type,etc. The movement process of planetary stairs-climbing wheelchair is mainly analyzed,and the existing problems of the current stairs- climbing wheelchair is pointed out and a drive scheme which uses the concentric shaft to achieve different drive and can make a wheelchair move more stably is put forward. …”
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Swirling Flow Field inside a Hollow Turbine Shaft for an Internal Cooling Air System by Tadaharu Kishibe, Shojiro Kaji

“…The swirling flow field in an internal cooling air system in which the fluid passes through an inducer, a hollow turbine shaft, and a cavity between two disks (referred to as a wheel space) is solved using computational fluid dynamics and the pressure fluctuations on the hollow shaft wall surface are measured.…”
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Stinging or Venomous Insects and Related Pests by P.G. Koehler, D.E. Short

“…Additionally, it describes common venomous arthropods, including bees, wasps, scorpions, spiders, fire ants, velvet ants, wheel bugs, blister beetles, and stinging caterpillars, along with control measures for each. …”
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Kinematic Analysis of Parallel Mechanism for Multi-link Suspension by Jiang Mao, Xiaofei Zhu, Licheng Li

“…Combined with the kinematics concept of the automobile suspension， the wheel positioning parameters are given using the homogeneous transformation matrix. …”
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Parametric Design of Roller Chain Sprocket based on SINOVATION7. 0 by Zhu Zhuoyue, Xu Zhigang, Shen Weidong, Yang Deyu

“…The users can set the parameter values according to the roller chain sprocket type,row number,tooth number and other basic parameters,then the chain wheel designer can be compiled to create the 3D model and calculate the strength and of the sprocket. …”
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Optimal Design and Analysis of Steering Mechanism of Manned Lunar Rover by Men Shudong, Wang Ping, Zhao Yang, Liu Chunlai

“…In view of the lunar module load limit and lunar complex terrain,the manned lunar mechanism must be light and simple,and has a smaller turning radius,so one type of steering mechanism is designed. The inner and outer wheel turning angles mathematical model is deduced. …”
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Complexity of Some Generalized Operations on Networks by Muhammad Javaid, Hafiz Usman Afzal, Shaohui Wang

“…In this article, we address the closed formulae of the complexity of networks’ operations such as duplication (split, shadow, and vortex networks of Sn), sum (Sn+W3, Sn+K2, and Cn∘K2+K1), product (Sn⊠K2 and Wn∘K2), semitotal networks (QSn and RSn), and edge subdivision of the wheel. All our findings in this article have been obtained by applying the methods from linear algebra, matrix theory, and Chebyshev polynomials. …”
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Analysis of the Gap Clearance of Harmonic Gear Reducer by Long Wang, Bo Liu, Jiabo Zhang, Hongxing Li, Qing Wang

“…According to the work principle of the harmonic gear reducer， the main factors causing the gap are the torsional deformation of the parts（the flexible wheel and output shaft），and the clearance between the rigid and flexible wheels， and the radial clearance of the flexible bearing. …”
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State Analysis of the Shaft Bearing Force Based on the Full Model Harmonic Reducer by Wang Xinlong, Pang Xiaoxu, Qiu Ming, Yang Gengsheng, Zhu Dingkang

“…For the force problem of the flexible thin-walled bearing in harmonic reducers, the inadequacy of the previous single-factor analysis of the bearing is analyzed； and in order to explore the influence of other components on the bearing force of the shaft, theoretical analysis is conducted through the whole machine model, the deformation of the flexible wheel and the coordination process of the raceway roller deformation are explored, and the force state of the thin-walled flexible bearing is obtained as a whole. …”
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Research of Crawl Phenomenon of Chain Propulsion Equipment by Zhai Wang, Liu Jia, Qin Li

“…According to the structure characteristics of the equipment,the chain is regarded as an elastic element,also considering the polygon effect when the sprocket wheel rotates,the motion differential equations are set up. …”
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Natural Frequency Analysis based on RV Reducer Theory Model by Yueming Zhang, Bin Shao, Shuting Ji

“…Taking RV-320E gear reducer as the research object and considering tangential degrees of freedom of crank shaft and cycloid wheel rotation motion，the 16 degrees of freedom dynamic model of RV gear reducer is established by centralized mass method. …”
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Dynamics Analysis of Locomotive Transmission System based on Romax by Zhang Fulai, Zhang Yinghui, He Weidong, Shi Xiaochun

“…Taking a locomotive traction transmission system as research object,the relatively complete transmission system model is built considering shaft deformation,flexible body,motor and wheel rail friction factors. From the static,modal analysis and dynamics analysis of the model,finding the causes of noise and vibration are the transmission error and the partial load in gear meshing process,which lead to large meshing impact. …”
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Design and Stability Study of Stepped Climbing Stair Device by Ruigang Han

“…In view of the poor stability of the star wheel type stair climbing device，the conception of step climbing staircase device is put forward. …”
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Analysis of the Error Sensitive Direction and Establishment of the Equation of Face Gear Tooth Surface with Error by Ming Xingzu, Li Mande, Wang Wei, Zhao Lei

“…Based on the theory of multi-body system and the principle of gear meshing,according to six-axis five linkage gear CNC machine structure and the actual conditions of grinding,the grinding tooth surface equation of face gear with error of six-axis five linkage CNC machine is established.Through the simulation,the influence of the grinding wheel spindle kinematic pair on different error sensitive direction is analyzed,the results show that the feed axis B5 relative to machine tool bed B1 moving has larger effect on the tooth profile machining of face gear.A prejudge theory for CNC grinding to improve the machining precision and modified tooth surface error is provided.…”
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Analysis of the Transmission Scheme of CR-CR Planetary Gear Mechanism based on Line Velocity Vector Method by Liu Chenfu, Zhang Yushu, Qin Yongjie

“…The rotation direction and speed of each element in the planetary gear mechanism can be directly shown by drawing the linear velocity vector diagram of the gear ring,planet carrier and sun wheel in the CR-CR planetary gear mechanism. The transmission ratio of typical transmission scheme is calculated by geometric method based on the obtained line speed vector diagram,which is exactly the same with the transmission ratio calculated by analytical method. …”
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Development of Concave-convex Tooth Chainless Traction Walking System of Shearer by Guang Wang

“…Through analysis and selection of the processing equipment of the complex tooth surface walking wheel， the problem of production and processing is solved. …”
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