GH4169短电弧铣削加工碎屑颗粒特性研究*

doi:10.16731/j.cnki.1671-3133.2024.02.012

现代制造工程 ›› 2024, Vol. 521 ›› Issue (2): 86-92.doi: 10.16731/j.cnki.1671-3133.2024.02.012

GH4169短电弧铣削加工碎屑颗粒特性研究^*

马昕旸¹, 陈小康¹, 王恪典^1,2, 周建平¹

1 新疆大学机械工程学院,乌鲁木齐 830017;
2 西安交通大学机械工程学院,西安 710000

收稿日期:2023-04-17 出版日期:2024-02-18 发布日期:2024-05-29
通讯作者: 陈小康,博士,副教授,主要研究方向为特种加工技术及装备,已发表论文9篇,其中SCI 5篇。E-mail:Chenxkxju@163.com
作者简介:马昕旸,硕士,主要研究方向为短电弧铣削加工及机械设计。E-mail:ma_xy619@163.com;
基金资助:
*国家自然科学基金项目(52265061)

Research on the characteristics of debris particles in short electric arc milling of GH4169

MA Xinyang¹, CHEN Xiaokang¹, WANG Kedian^1,2, ZHOU Jianping¹

1 School of Mechanical Engineering,Xinjiang University,Urumqi 830017,China;
2 School of Mechanical Engineering,Xi’an Jiaotong University,Xi’an 710000,China

Received:2023-04-17 Online:2024-02-18 Published:2024-05-29

摘要/Abstract

摘要： 作为放电加工的产物,碎屑颗粒不仅可以反映放电间隙的状态,而且有助于了解材料的蚀除机理;因此,碎屑颗粒一直是电火花加工(放电加工)领域的研究热点。作为一种新颖、高效的电火花加工方法,短电弧铣削加工存在着排屑不畅和频繁短路等问题。基于上述问题,以碎屑颗粒作为研究对象,研究了加工后碎屑颗粒的微观形态特征,从放电能量角度出发,进一步探讨了不同的工件极性、电极材料、电压、占空比和频率对碎屑颗粒粒径分布的影响,并进一步总结了碎屑颗粒粒径分布对加工质量的影响规律,为揭示材料侵蚀机制、改善间隙排屑性能和提高加工过程的稳定性提供了指导。

关键词: 碎屑颗粒, 短电弧铣削加工, 材料蚀除机理, 粒径分布

Abstract: As a product of Electrical Discharge Machining (EDM),debris particles can not only reflect the state of the discharge gap but also help to understand the mechanism of material removal.Therefore,debris particles have always been a research hotspot in the field of EDM. As a novel,high-efficiency EDM method,Short Electric Arc Milling (SEAM) has problems such as poor chip removal and frequent short cir cuits.Based on the above problems,debris particles were used as the research object. Firstly,the microscopic morphological characteristics of the debris particles were studied,and the effects of different workpiece polarity,electrode materials,voltage,duty cycle and frequency on particle size distribution of the debris particles were discussed from the perspective of discharge energy. The influence of particle size distribution of the debris particles on the processing quality was further summarized. Guidance for revealing the material erosion mechanism,improving the gap chip removal performance and enhancing the stability of the machining process was provided.

Key words: debris particles, Short Electric Arc Milling(SEAM), mechanism of material removal, particle size distribution

中图分类号:

TG661

马昕旸, 陈小康, 王恪典, 周建平. GH4169短电弧铣削加工碎屑颗粒特性研究^*[J]. 现代制造工程, 2024, 521(2): 86-92.

MA Xinyang, CHEN Xiaokang, WANG Kedian, ZHOU Jianping. Research on the characteristics of debris particles in short electric arc milling of GH4169[J]. Modern Manufacturing Engineering, 2024, 521(2): 86-92.

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GH4169短电弧铣削加工碎屑颗粒特性研究^*

Research on the characteristics of debris particles in short electric arc milling of GH4169

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