Aviation-oriented Micromachining Technology-Micro-ECM in Pure Water |
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| Authors: | Bao Huaiqian Xu Jiawen Li Ying |
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| Institution: | [1]Jiangsu Key Laboratory of Precision and Micro-Manufacturing Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China [2]College of Mechanical and Electric Engineering, Shandong University of Science and Technolory; Qingdao 266510, China [3]School of Mechanical and Electrical Engineering, Jinling Institute of Technology, Nanjing 210016, China |
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| Abstract: | This article proposes a precise and ecofriendly micromachining technology for aerospace application called electrochemical machining in pure water (PW-ECM). On the basis of the principles of water dissociation, a series of test setups and tests are devised and performed under different conditions. These tests explain the need for technological conditions realizing PW-ECM, and further explore the technological principles. The results from the tests demonstrate a successful removal of electrolytic slime by means of ultrasonic vibration of the workpiece. To ensure the stability and reliability of PW-ECM process, a new combined rnachining method of PW-ECM assisted with ultrasonic vibration (PW-ECM/USV) is devised. Trilateral and square cavities and holes as well as a group of English alphabets are worked out on a stainless steel plate. It is eonfirmed that PW-ECM will be probably an efficient new aviation precision machining method. |
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| Keywords: | electrochemical machining in pure water (PW-ECM) cation exchange membrane water dissociation |
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