通过叠加脉冲电流改善放电加工的加工特性

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.2024.04.019

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引用次数: 0

摘要

本文旨在通过在传统矩形脉冲上叠加脉冲电流来增强沉没式放电加工的加工特性。研究发现，当叠加时间点设置在介质击穿后较早的位置时，材料去除率更高，因为等离子体直径更小。然而，在放电点火后立即叠加会导致更高的刀具磨损率。通过实验和模拟确定，当矩形脉冲持续时间为 50 μs 时，提高材料去除率同时保持较低刀具磨损的最佳时间点约为 12.5 μs。

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Improving machining characteristics of electrical discharge machining by superimposing impulse current

This paper aims to enhance the machining characteristics of sinking electrical discharge machining by superimposing an impulse current on a conventional rectangular pulse. The material removal was found to be more significant when the time point of superposition was set earlier after the dielectric breakdown, as the plasma diameter is smaller. However, superimposition immediately after the discharge ignition leads to a higher tool wear ratio. Through experimentation and simulation, it was determined that the optimal time point to increase material removal while keeping tool wear low is approximately 12.5 μs when the rectangular pulse duration was 50 μs.

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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.