引用本文:顾伟生，丁 浩，狄 平，朱世根.电火花自动强化过程中电弧飘移的研究[J].中国表面工程,2010,(6):66~69
GU Wei–sheng, DING Hao, DI Ping, ZHU Shi–gen.Investigation on Turbulent Arc in the Process of Electric Spark Automatic Strengthening[J].China Surface Engineering,2010,(6):66~69
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电火花自动强化过程中电弧飘移的研究
顾伟生，丁 浩，狄 平，朱世根
东华大学机械工程学院 纺织装备教育部工程研究中心
摘要:
电火花自动强化研究过程中，观察到了火花放电时电弧飘移的现象，运用焊接电弧的阴极斑点原理解释了此现象。并揭示电弧漂移现象与电极压力、线速度、电容量及电极尺寸等参数有关。通过研究可知，选择合适的工艺参数，可解决电弧飘移导致的强化层质量缺陷。
关键词:  电火花  强化  电弧飘移  阴极斑点
DOI：
分类号:
基金项目:国家863资助项目（2002AA331100）
Investigation on Turbulent Arc in the Process of Electric Spark Automatic Strengthening
GU Wei–sheng, DING Hao, DI Ping, ZHU Shi–gen
College of Mechanical Engineering, Donghua University, Engineering Research Center of Advanced Textile Machinery Ministry of Education
Abstract:
The phenomenon of turbulent arc was investigated in the electric spark automatic strengthening process. The turbulent arc phenomenon is explained by using the cathode spot shifting theory. The technologic parameters to affect the turbulent arc were investigated, analyzed and discussed. Since the turbulent arc seriously influences the strengthened layer’s continuity, the electrode shape and strengthening technologic parameters such as electrode pressure, electrode moving velocity and electric capacity must be properly selected so as to reduce the turbulent arc to the mildest degree that the strengthened layer property does not seriously decrease.
Key words:  electric spark  strengthening  turbulent arc  cathode spot
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