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Electrochemical machining of multistage inner cone hole assisted by hydraulic self-driven rotating magnetic field
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Electrochemical machining of multistage inner cone hole assisted by hydraulic self-driven rotating magnetic field
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Journal Article
Electrochemical machining of multistage inner cone hole assisted by hydraulic self-driven rotating magnetic field
2024
Overview
A multistage inner cone hole (MICH) consists of numerous inner cone holes of varying degrees of conicality and length and is frequently employed in diverse machinery. Due to the use of difficult-to-machine materials and the demand for high machining quality, precision machining has become an urgent challenge. To improve the surface finish quality of MICH, a novel electrochemical machining (ECM) process assisted by a hydraulic self-driven rotating magnetic field is proposed in this paper. A hydraulic self-driven rotating shaft with magnets attached to the cathode is designed, which can be driven by the electrolyte to rotate and generate a rotating magnetic field during the ECM process. The rotating characteristics of the hydraulic self-driven rotating shaft and the rotating magnetic field characteristics are studied via simulations. According to the simulation analysis results, the parameters related to the rotating shaft and the rotating magnetic field are optimized. Finally, the ECM cathode of MICH was machined, and a machining experiment was conducted. The experimental results indicate that the surface finish quality of MICH machined by the proposed ECM is better than that of conventional ECM, the maximum dimensional error is 0.1 mm, and the surface roughness is Ra 0.695 μm.
Publisher
Springer Nature B.V
Subject
