Research on Electrode Wear Compensation in Micro-EDM Milling
Aiming at the problem of axial electrode wear in EDM milling,a network model for predicting electrode wear by detecting the number of effective discharge pulses is established.The model is trained by processing parameters,effective discharge pulses and actual loss values,and a predicted value is generated in actual milling to perform electrode axial compensation.The high-speed AD module collects the inter-pole voltage information in real time and feeds it back to the FPGA.The voltage data is cached in the asynchronous FIFO,and the number of effective discharge pulses is identified by the sliding window algorithm.The effective discharge pulse number is uploaded to the host computer through FPGA,and the host computer generates a compensation strategy for plane milling experiments.The experimental results show that the compensation method can effectively reduce the plane error caused by the axial loss of the electrode in the milling process,which is helpful to realize the precision machining.
electrode lossradial basis functionnumber of effective discharge pulseselectrode compensation
NETL
NSTL
万方数据
维普
