The mathematical model of balanceable inter-electrode gap in high frequency group pulse electrochemical machining is presented. Based on the model,the relationship between the main pulse frequency of supply power and the balanceable inter-electrode gap is discussed.
However, a lot of factors bring about influences on the pressure wave deciding the frequency of modulation pulse besides the electrode, such as the properties and the speed of the electrolyte, the inter-electrode gap, the voltage of power supply and so on in the HGPECM.
High frequency group pulse electrochemical machining
High frequency group pulse electrochemical machining can be successfully used in machining micro-parts.
In order to clarify two important phenomena, i.e. the reversed current and the pressure wave in pulse electrochemical machining, this paper present their mathematical model respectively. So the high frequency group pulse electrochemical machining (HGPECM) was put forward according to the model. The simulation results indicate: pulse frequency of the power supply is needed in the range of 10 to 24 kHz in order to obtain better effects of the reversed current, and 400 to 1333Hz for the pressure wave. The reversed...
In order to clarify two important phenomena, i.e. the reversed current and the pressure wave in pulse electrochemical machining, this paper present their mathematical model respectively. So the high frequency group pulse electrochemical machining (HGPECM) was put forward according to the model. The simulation results indicate: pulse frequency of the power supply is needed in the range of 10 to 24 kHz in order to obtain better effects of the reversed current, and 400 to 1333Hz for the pressure wave. The reversed current, which decides the frequency of main pulse, is influenced chiefly by electrochemical properties of the electrode. However, a lot of factors bring about influences on the pressure wave deciding the frequency of modulation pulse besides the electrode, such as the properties and the speed of the electrolyte, the inter-electrode gap, the voltage of power supply and so on in the HGPECM. In addition, the verification experiments show that smaller size of the inter-electrode gap leads to excellent machining precision because of the higher frequency group pulse.
The application of the high frequency group pulse electrochemical machining (HGPECM) in micro-manufacture is presented. It is introduced that how the group pulse is produced, the influence of the reversed current and pressure wave on the machining quality and the principle to design the cathode in the micro-manufacture. Based on the designed moulds of facet and ultrathin structure part, the experiment of the high frequency group pulse electrochemical machining is carried out. It is indicated that high machining...
The application of the high frequency group pulse electrochemical machining (HGPECM) in micro-manufacture is presented. It is introduced that how the group pulse is produced, the influence of the reversed current and pressure wave on the machining quality and the principle to design the cathode in the micro-manufacture. Based on the designed moulds of facet and ultrathin structure part, the experiment of the high frequency group pulse electrochemical machining is carried out. It is indicated that high machining quality can be obtained and HGPECM can be used in the micro-manufacture.
The mathematical model of balanceable inter-electrode gap in high frequency group pulse electrochemical machining is presented.Based on the model,the relationship between the main pulse frequency of supply power and the balanceable inter-electrode gap is discussed.There is a strict linear relationship between the balanceable inter-electrode gap and the main pulse frequency in the simulation results.The balanceable inter-electrode gap linearly decreased with the increase of the main pulse frequency.It is indicated...
The mathematical model of balanceable inter-electrode gap in high frequency group pulse electrochemical machining is presented.Based on the model,the relationship between the main pulse frequency of supply power and the balanceable inter-electrode gap is discussed.There is a strict linear relationship between the balanceable inter-electrode gap and the main pulse frequency in the simulation results.The balanceable inter-electrode gap linearly decreased with the increase of the main pulse frequency.It is indicated from the process experiment of coin figure that smaller gap and higher surface quality are obtained by choosing higher main pulse frequency.It is concluded that smaller inter-electrode gap resulting from higher frequency led to higher machining quality.
高频群脉冲电化学加工
high frequency group pulse electrochemical machining
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