Effect of Power Signal Waveform on Shape Accuracy in Electrochemical Drilling

International Conference on Manufacturing Technology, Materials and Chemical Engineering

机械制造;材料科学;化学工业

Lilong, L.^1,2 ; Baoji, Ma^1,2 ; Cheng, Peiyong^1 ; Yun, Kang^1

School of Mechanical Engineering, Xi'an Technological University, Xi'an

710021, China^1

Shaanxi Key Laboratory of Non-Traditional Machining, Xi'an Technological University, Xi'an

710021, China^2

关键词: Anode surfaces;    Average current densities;    Commercial software;    Electrochemical drilling;    Machining Accuracy;    Machining efficiency;    Research object;    Sinusoidal signals;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/392/3/032015/pdf
DOI  :  10.1088/1757-899X/392/3/032015

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

This paper studied the effect of power signal on form accuracy in electrochemical drilling. The mathematical and physical models are built by the commercial software COMSOL. The DC signal, sine limit, triangular signal and pulse signal are selected as the research objects, and the current density of each model is simulated. The simulation results show that the average current density ranges from large to small in order of DC signal, sinusoidal signal, triangular signal and pulse signal on the anode surface. In order to verify the correctness of the model, an experiment is carried out. The experiment results show that the effect of power signal on processing size ranges from large to small in order of DC signal, sinusoidal signal, triangular signal and pulse signal. The experimental results have a good correspondence with the simulation results. We can conclude that the machining accuracy of sinusoidal and trigonometric signals is lower than pulse signals, but their processing efficiency is higher than that of pulse signals and their machining accuracy is also higher than DC signal processing accuracy. It is suitable for workpiece with high machining efficiency and moderate machining accuracy.