Results 241 to 250 of about 1,517,422 (274)

Cathode design for precision electrochemical machining of straight teeth face gear

2017 23rd International Conference on Automation and Computing (ICAC), 2017
To cope with precision Electrochemical Machining (ECM) of straight teeth face gear, a precise 3D model of the straight teeth face gear is developed, and cathode design and the cathode's working surface model are built based on the gear 3D model accordingly.
Qingming Fan, Kai Cheng, Yan Cao 0003, Liang Huang 0010   +3 more
openaire   +1 more source

Cathode Design for NC Precision Electrochemical Machining Integer Impeller Based on CFD

2011 Second International Conference on Digital Manufacturing & Automation, 2011
The reasonable flow field is the key problem in cathode design and the foundation of process stabiLity in electroChemical machining. In order to improve the efficiency of cathode designing and stabiLity of process in NC precision electroChemical machining of integer impeller, a method of applying Computational Fluid Dynamics (CFD) to aid designing flow
Rui Wu, Danwen Zhang, Yuchen Song
openaire   +2 more sources

Precise pulse electrochemical machining by bipolar currentAspects of effective technological application

Journal of Materials Processing Technology, 2004
Abstract This paper describes a method of pulse electrochemical machining (ECM) by bipolar current. The phenomenology of the main aspects of its efficient technological application is considered: • Ensuring long-time stability of geometric and physical-and-chemical properties of the working surface of the electrode-tool (ET) through the removal ...
A ZAYTSEV, I AGAFONOV, N GIMAEV, R MOUKHOUTDINOV, A BELOGORSKY   +4 more
openaire   +1 more source

Precise Numerical Control Electrochemical Machining for Integral Impeller with the Adding Wobbly Feeds

Advanced Materials Research, 2011
Lots of integral impellers are used in the new kinds of jets. The jet engine weight can be lightened much, and the thrust,work life and the safety coefficient can be increased remarkably. Based on the integral impeller’s structure features and the processing difficulties with special complex blades, the shaping law on electrochemical contour evolution ...
Yong Wei Zhu, Jia Wen Xu
openaire   +1 more source

Research on precision electrochemical machining technology of the small-module internal spline

Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture
The small-module involute internal splines have a compact structure, high surface hardness after carburization, and difficult-to-machine material properties. The adoption of PECM technology has significant technical and economic advantages. However, due to the narrow channels of the part, electrolytic products are easy to accumulate in the gap, and ...
Zhiming Qiang, Jianshe Zhao, Zhongheng Wang, Changhao Zhang   +3 more
openaire   +1 more source

Achieving Surface Finish Requirements on DMLS Parts with Precision Electrochemical Machining

ECS Meeting Abstracts, 2015
3D Additive Manufacturing is a fast growing technology with metallurgical properties of the “printed” parts achieving manufacturing requirements.  Direct Metal Laser Sintering (DMLS) is one of the few additive manufacturing technologies being used in production.
openaire   +1 more source

Precise vibrating electrochemical machining of a diamond-shaped hole with side-wall insulation

Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 2017
Electrochemical machining has the advantage of being free of cathode loss, thermal stress, and residual stress, and is suitable for high precision machining of metal structures. Localization of anodic dissolution can be significantly improved by the side-wall insulation of the cathode.
Feng Wang, Jianshe Zhao, Yanming Lv, Zhenwen Yang, Weimin Gan, Zongjun Tian   +5 more
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Study on the Shaping Law of Precision Numerical Controlled Electrochemical Contour Evolution Machining

Key Engineering Materials, 2008
Numerical Controlled Electrochemical Contour Evolution Machining (NC-ECCEM) is one of the most important development in Electrochemical Machining (ECM). In order to improve the machining accuracy of NC-ECCEM technology, the research works on precision NC-ECCEM technology are needed, and especially the study on its shaping law is significant for ...
Min Kang, Jia Wen Xu
openaire   +1 more source

The High Precision Blade Electrochemical Machining Simulation and Cathode Optimization Based on Isogeometric Method

Applied Mechanics and Materials, 2013
The simulation and optimization of electrochemical machining is an important means to improve processing quality. However, the fragmented nature of geometric modeling and numerical analysis model, restricts the application proportion. Aiming at this problem, it is refined that the scientific problem of coordination modeling between CAD and CAE based ...
Ying Xiang, Rong Mo, Neng Wan, Hu Qiao
openaire   +1 more source

Experimental research on the optimization of precision electrochemical machining feed mode of diamond-hole grille

The International Journal of Advanced Manufacturing Technology, 2016
With a view to improve the stability and localization of electrochemical machining of diamond-shaped holes, as well as reducing stray corrosion of side walls, this paper proposes a packet pulse-matched composite feed mode based on linear feed and composite feed modes.
Jianshe Zhao, Xiangli Zhang, Zhenwen Yang, Yanming Lü, Yafeng He   +4 more
openaire   +1 more source