短电弧铣削加工极间流场仿真与试验研究Simulation and Experimental Study on Inter-Electrode Flow Field in Short Arc Milling
胡国玉;周建平;毛俊豪;
摘要(Abstract)：
为解决短电弧铣削加工过程中熔融电蚀产物排除不畅和工件端面烧蚀现象,利用Comsol Multiphysics多物理场仿真软件对内充液作用下工作介质流场进行仿真研究.分析电极内直径、电极结构分别对加工过程中极间速度场、压力场分布规律,并试验验证了极间冲液效果.结果表明:电极内直径为6 mm时取得最大流速和速度梯度,提高了电蚀产物的排除速度和工件表面质量;中空和环孔配合电极提高了有效放电区域工作介质流速和加工稳定性,解决侧面进刀无有效工作介质注入极间而烧蚀工件表面的现象.
关键词(KeyWords)： 短电弧铣削;电极结构;极间流场仿真;表面质量
基金项目(Foundation): 新疆维吾尔自治区自然科学基金项目(2019D01C070)
作者(Authors): 胡国玉;周建平;毛俊豪;
DOI: 10.13568/j.cnki.651094.2019.04.002
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