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A Mathematical Model for Parametric Tooth Profile of Spur Gears

Guodong Zhai, Zhihao Liang, Zihao Fu
2020 Mathematical Problems in Engineering  
This article puts forward a new parametric modeling method, which can describe the modified involute part of spur gears and parameterize and optimize the transition part of the involute curve of the spur  ...  Spur gears are widely used transmission components. In the traditional design process, the noninvolute part of the tooth profile curve is difficult to describe with mathematical equations.  ...  With the development of computer simulation modeling technology, SolidWorks, UG, Pro/E, and other three-dimensional parametric software have appeared in gear precise modeling [17] [18] [19] [20] .  ... 
doi:10.1155/2020/7869315 fatcat:5gf3w45cajdzjhnf345ips3dry

Optimal Design of Traction Gear Modification of High-Speed EMU Based on Radial Basis Function Neural Network

Zhaoping Tang, Manyu Wang, Yutao Hu, Ziyuan Mei, Jianping Sun, Li Yan
2020 IEEE Access  
The dynamic characteristics of the traction gear transmission system have a great influence on the safety, comfort, and reliability of EMU (electric multiple units).  ...  INDEX TERMS Traction gear of EMU, RBF neural network, multi-island genetic algorithm, optimal design of modification.  ...  The parametric solid model of the helical gear transmission system was constructed using PRO / E software, based on the constraint relationship between the geometric parameters of the traction gear set  ... 
doi:10.1109/access.2020.3007449 fatcat:pii7hrn6fndebbs7irgipgh6me

A Novel Axial Modification and Simulation Analysis of Involute Spur Gear

2017 Strojniski vestnik  
Highlights • A novel axial modification method based on composite modification curve is proposed for spur gears working in different conditions. • Transient meshing analysis is conducted for modified gear  ...  To improve the contact condition of gear pairs and enhance the meshing performance and bearing capacity, this study proposed a novel axial modification method based on a composite modification curve with  ...  However, the traditional design method mainly depends on the experience of researchers, and the design results need to be revised based on some correction factors.  ... 
doi:10.5545/sv-jme.2017.4307 fatcat:5ygfzft3urezlnkhigzgy7agii

Tooth Profile Modification and Simulation Analysis of Involute Spur Gear

X. Y. Li, N. N. Wang, Y. G. Lv
2016 International Journal of Simulation Modelling  
Moreover, the proposed method can adaptively determine the optimal modification parameters based on different conditions and obtain the ideal modification effect.  ...  modification with alterable tooth profile for spur gear mechanism.  ...  Numerous researchers like Tesfahunegn [16] established models of modified gear pair in Pro/E while analysing it in other software, which may lead to data loss.  ... 
doi:10.2507/ijsimm15(4)6.358 fatcat:qnpya7mmgzbbdkedd557rxw3ne

Approximation of involute curves for CAD-system processing

Fumitaka Higuchi, Shuuichi Gofuku, Takashi Maekawa, Harish Mukundan, Nicholas M. Patrikalakis
2007 Engineering with Computers  
One typical example is a circle involute curve which represents the underlying geometry behind a gear tooth.  ...  In this paper an approximation algorithm for circle involute curves in terms of polynomial functions is developed.  ...  Cycloids, generated by a point on the rim of a circle rolling on a straight line, are one of the first regular curves used for gear-tooth profiles.  ... 
doi:10.1007/s00366-007-0060-3 fatcat:2rc4p5p2tbh6djpioh2y5ffeji

Fabrication and Study of the Mechanical Properties of AA2024 Alloy Reinforced with B4C Nano-particles using Ultrasonic cavitation method

Govind Nandipati
2013 IOSR Journal of Mechanical and Civil Engineering  
This paper is based on an industrial training carried out at the company.  ...  M.Zebarjad et al. [8] concentrated their study on the role of particle size of silicon carbide (SiC) on dimensional stability of aluminium.  ...  The significant Causes and effects of delays in Ghadir 2206 residential project  ... 
doi:10.9790/1684-0740107 fatcat:fur4jegzvngx5j7jbzowan4d6a

Optimized NURBS Curve Based G-Code Part Program for CNC Systems

Sai Ashish Kanna
The proposed approach is demonstrated with the tool path generation of an involute gear profile and a topologically optimized structure is developed using this approach and then finally it is 3D printed  ...  In order to avail this the generation of the CNC part program size will be immensely big and leads to an inefficient process, which increases the delivery time and cost of products.  ...  swarm optimization (QPSO) algorithm based on NURBS is used on Ship design [6] .  ... 
doi:10.25394/pgs.7430303.v1 fatcat:fooyjeevk5dtnjtwalc25ilx44