带冠整体叶轮电火花加工电极及其运动轨迹同步设计方法

doi:10.3969/j.issn.1000-1093.2017.04.016

兵工学报 ›› 2017, Vol. 38 ›› Issue (4): 744-749.doi: 10.3969/j.issn.1000-1093.2017.04.016

带冠整体叶轮电火花加工电极及其运动轨迹同步设计方法

赵建社¹，周学德¹，周旭娇^1,2，汪文峰¹

（1.南京航空航天大学机电学院，江苏南京 210016; 2.国家知识产权局专利局专利审查协作四川中心，四川成都 610213）

收稿日期:2016-10-17 修回日期:2016-10-17 上线日期:2017-06-06
作者简介:赵建社（1976—），男，副教授。E-mail：zhaojs@nuaa.edu.cn
基金资助:
国家国防科技工业局技术基础科研项目（B0618-052）；航空科学基金项目（2011ZE52055）

Synchronous Design of Electrode and Its Feeding Path in EDM for Cowled Integral Impeller

ZHAO Jian-she¹， ZHOU Xue-de¹， ZHOU Xu-jiao^1,2， WANG Wen-feng¹

（1.College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, Jiangsu, China；2.Patent Examination Cooperation Center of the Patent Office, State Intellectual Property Office of The P.R. C, Chengdu 610213, Sichuan, China）

Received:2016-10-17 Revised:2016-10-17 Online:2017-06-06

摘要/Abstract

摘要： 电火花加工是带冠整体叶轮整体制造的重要工艺方法，其电极及加工运动轨迹设计直接影响加工质量和加工效率。由于带冠整体叶轮叶间流道弯扭狭窄，使得电极及其运动轨迹设计往往比较复杂。提出一种以保证电极成形面完整和最大刚度为核心的电极及其运动轨迹同步设计方法,并基于计算机辅助设计UG二次开发平台研究了该同步设计方案的实现方法。以某型带冠整体叶轮的试制加工为例进行了试验验证，结果表明该方法可显著提高设计效率，并能够满足加工精度和加工稳定性要求。

关键词: 机械制造工艺与设备, 带冠整体叶轮, 电火花加工, 工具电极, 运动轨迹, 同步设计

Abstract: Electrical discharge machining (EDM) is an important process technique to machine the cowled integral impeller, and the processing quality and efficiency are directly influenced by the design of electrode and its feeding path. The design of electrode and its feeding path is very complicated because of the narrow and twisted channel between two blades. A synchronous design method of electrode and its feeding path is put forward to get a maximum stiffness electrode with complete forming surface corresponding to the blade's surface, and its implement method is also studied based on UG software. The design efficiency, machining accuracy and stability are all improved significantly. A cowled integral impeller's EDM experiment is verified. Key

Key words: machinofaturetechniqueandequipment, cowledintegralimpeller, electricaldischargemachining, toolelectrode, feedingpath, synchronousdesign

中图分类号:

TG661

赵建社，周学德，周旭娇，汪文峰. 带冠整体叶轮电火花加工电极及其运动轨迹同步设计方法[J]. 兵工学报, 2017, 38(4): 744-749.

ZHAO Jian-she， ZHOU Xue-de， ZHOU Xu-jiao， WANG Wen-feng. Synchronous Design of Electrode and Its Feeding Path in EDM for Cowled Integral Impeller[J]. Acta Armamentarii, 2017, 38(4): 744-749.

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带冠整体叶轮电火花加工电极及其运动轨迹同步设计方法

Synchronous Design of Electrode and Its Feeding Path in EDM for Cowled Integral Impeller

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