同轴超声波辅助喷射电化学加工研究。

IF 8.7 1区 化学 Q1 ACOUSTICS Ultrasonics Sonochemistry Pub Date : 2024-08-30 DOI:10.1016/j.ultsonch.2024.107054
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引用次数: 0

摘要

为了解决电化学加工(ECM)中定位不良的问题,提出了一种同轴超声波辅助喷射 ECM 方法。在理论分析的基础上,实验比较了各种电解液流速、电解电压和巨声功率水平对凹坑 ECM 的影响。结果表明,在实验参数范围内,增加电解液流速和超声波功率可以增加加工深度,从而提高 ECM 凹坑的深度直径比。与不使用超声波的 ECM 相比,使用同轴超声波辅助射流 ECM 可以提高蚀刻坑的深度-直径比。当使用 22 W 的巨声波功率时,ECM 凹坑的深度为 0.81 mm,直径为 5.73 mm,深度直径比为 0.140。在相同条件下,如果没有超声波辅助,凹坑直径减小到 0.65 毫米,而凹坑深度增加到 6.36 毫米,因此深度直径比为 0.102。此外,结果还表明,电解电压的增加会使凹坑的深度直径比在原有基础上进一步增大。在电解液流速为 0.9 升/分钟、超声波功率为 22 瓦时,电解电压为 50 伏,蚀刻坑的深度直径比增加到 0.173。采用上述优选参数,对宽沟槽进行电解铣削。通过附加同轴巨声波,宽槽的深度直径比从 0.039 增加到 0.059。这进一步验证了同轴超声波辅助射流 ECM 方法的有效性。
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Research on jet electrochemical machining with coaxial megasonic assistance

In order to address the problem of poor localization in electrochemical machining (ECM), a coaxial megasonic assisted jet ECM method was proposed. Based on theoretical analysis, experiments were conducted to compare the effects of various electrolyte flow rates, electrolytic voltage and megasonic power levels on pit ECM. The results indicate that, in the range of experimental parameters, the increase of electrolyte flow rate and megasonic power can increase the machining depth, so as to improve the depth-diameter ratio of ECM pits. The use of coaxial megasonic-assisted jet ECM can enhance the depth-diameter ratio of etched pits compared to the without megasonic one. When applying a megasonic power of 22 W, the dimensions of the ECM pit were measured as 0.81 mm in depth and 5.73 mm in diameter, resulting in an depth-diameter ratio of 0.140. Under the same conditions, without megasonic assistance, the pit diameter is reduced to 0.65 mm while the pit depth increases to 6.36 mm, resulting in a depth-diameter ratio of 0.102. Additionally, The results also demonstrate that, the increase of electrolytic voltage makes the depth to diameter ratio of pit further increase on the original basis. With an electrolyte flow rate of 0.9 L/min and a megasonic power of 22 W, the use of electrolysis voltage of 50 V increased the depth-diameter ratio of etched pits to 0.173. Using the above preferred parameters, electrolytic milling of the wide groove is carried out. The depth-diameter ratio of the wide groove is increased from 0.039 to 0.059 by appending coaxial megasonic. This further verified the effectiveness of the coaxial megasonic-assisted jet ECM method.

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来源期刊
Ultrasonics Sonochemistry
Ultrasonics Sonochemistry 化学-化学综合
CiteScore
15.80
自引率
11.90%
发文量
361
审稿时长
59 days
期刊介绍: Ultrasonics Sonochemistry stands as a premier international journal dedicated to the publication of high-quality research articles primarily focusing on chemical reactions and reactors induced by ultrasonic waves, known as sonochemistry. Beyond chemical reactions, the journal also welcomes contributions related to cavitation-induced events and processing, including sonoluminescence, and the transformation of materials on chemical, physical, and biological levels. Since its inception in 1994, Ultrasonics Sonochemistry has consistently maintained a top ranking in the "Acoustics" category, reflecting its esteemed reputation in the field. The journal publishes exceptional papers covering various areas of ultrasonics and sonochemistry. Its contributions are highly regarded by both academia and industry stakeholders, demonstrating its relevance and impact in advancing research and innovation.
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