利用原位气体辅助进行浸没式电化学喷射加工

IF 3.2 3区工程技术 Q2 ENGINEERING, INDUSTRIAL

Cirp Annals-Manufacturing Technology Pub Date : 2024-01-01 DOI:10.1016/j.cirp.2024.04.051

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引用次数: 0

摘要

在凹面或空腔上进行电化学射流加工（EJM）具有挑战性，因为射流和薄膜流无法形成。这项工作提出了一种原位电解气体和等离子体辅助方法，以实现电解液下的电化学喷射加工。结构化喷嘴阴极可在间隙处的电解质周围诱导加压和绝缘气体，从而产生受限的射流和薄膜流。这有助于实现精确有效的浸没式电积电解法（SEJM）。与在空气中进行的 EJM 相比，SEJM 由于气体辅助产生的薄膜流更薄，因此电流分布更集中，从而使表面光洁度提高了 65%，加工过切减少了 16%。

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Submerged electrochemical jet machining with in-situ gas assistance

Electrochemical jet machining (EJM) on concave surfaces or cavities is challenging because the jet and film flow fail to form. This work presents an in-situ electrolytic gas and plasma assistance approach to enable EJM under electrolyte. A structured nozzle cathode induces pressurized and insulating gas around electrolyte at the gap, generating a constrained jet and film flow. This serves to allow a precise and effective submerged EJM (SEJM) routine. Compared to EJM in air, SEJM shows more concentrated current distribution owing to a thinner film flow by the gas assistance, leading to a 65 % improvement in surface finish and a 16 % reduction of machining overcut.

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来源期刊

Cirp Annals-Manufacturing Technology 工程技术-工程：工业

CiteScore

7.50

自引率

9.80%

发文量

137

审稿时长

13.5 months

期刊介绍： CIRP, The International Academy for Production Engineering, was founded in 1951 to promote, by scientific research, the development of all aspects of manufacturing technology covering the optimization, control and management of processes, machines and systems. This biannual ISI cited journal contains approximately 140 refereed technical and keynote papers. Subject areas covered include: Assembly, Cutting, Design, Electro-Physical and Chemical Processes, Forming, Abrasive processes, Surfaces, Machines, Production Systems and Organizations, Precision Engineering and Metrology, Life-Cycle Engineering, Microsystems Technology (MST), Nanotechnology.