Limiting current density in electrochemical micromachining

  • Chuanjun Zhao College of Mechanical Engineering of Yanshan University, Qinhuangdao, Hebei
  • Lizhong Xu College of Mechanical Engineering of Yanshan University, Qinhuangdao, Hebei
Keywords: Vibration tool electrode, machining accuracy, diffusion current

Abstract

In this paper, a method of calculating the diffusion current density on the electric pole in the electrochemical micromachining is proposed. Changes of the diffusion current with system factors are investigated from which a method of increasing the diffusion current density on the electric pole under small clearance between the hole and the tool is proposed. This is the electrochemical micromachining method using vibrating tool electrode. Using this method, an etching experiment on a steel plate is performed which shows that a reasonable machining speed and high machining accuracy are simultaneously obtained.

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Published
16-08-2018
Section
Electrochemical Engineering