| High speed Wire Electrical Discharge Machining (WEDM-HS) isapplied in contemporary CNC machining more widely, especially in themachinery and electronics, weapons manufacturing, aerospace industryand instrumentation industry plays an irreplaceable role. China, as thefirst country developed and produced high-speed WEDM, and alreadyhas in terms of machine construction, technical level and processparameters were studied and achieved a certain development.People for manufacturing precision, surface quality productscontinues to request more stringent requirements, so for the manufactureof precision molds related fields, high hardness, high wear resistance andhigh corrosion resistance requirements are also rising. Carbide because ofits excellent physical properties and mechanical properties and chemicalstability in the mold manufacturing industry increasingly widespreadapplication, however, due to its high hardness and toughness properties ofthe poor, the general machining basic feasible, therefore WEDM is thepreferred method of machining carbide die. Research Carbide WEDMmachining electrical parameters, to improve processing efficiency andquality carbide has great practical significance. In this paper, a comprehensive analysis of the impact speed wouldlike to WEDM cutting carbide YG6processing quality factors. Therelation of electrical parameters and processing efficiency and processingquality between a variety of test methods for analysis. According WEDMmachining principle and through a detailed analysis of the test data,obtained during the processing of carbide, high efficiency, high precisionof the optimal combination of electrical parameters.Firstly, the single factor experiment, various electrical parametersappropriately selected range, test and record test data. Draw the curvechart based on the test data, and then draw the various electricalparameters on processing speed and surface roughness.Secondly, based on the test results of single factor test, variouselectrical parameters appropriately selected range, orthogonal test, recordtest data and the use of poor analysis of experimental data analysis,various electrical parameters on processing speed and surface roughnessorder size, computational analysis to obtain the optimum combination ofelectrical parameters, according to various electrical parameters of thetrend processing speed and surface roughness, suggesting a set of newcombinations of electrical parameters were validated processing speedand the surface roughness of the test groups degree, by recording the testresults obtained are compared with the measured results of the testelectrical parameters better combination. So as to arrive, in order to make the surface roughness of the minimum value, the optimum combinationof electrical parameters, and to enable the optimum processing speedelectrical parameter combination to achieve the fastest time.Finally, in order to better understand the various electricalparameters in the machining of carbide process YG6the processing speedof the specific gravity and surface roughness influence on the orthogonaltest of variance analysis, various electrical parameters of the processingspeed and surface roughness that affect the rate of contribution rate, inorder to achieve quantitative analysis of various electrical parameters ofthe test indicators. Depending on the circumstances of the specificrequirements of the test, and the contribution rate of each of the electricalparameters, set different combinations of electrical parameters, so as toachieve faster processing, or high machining accuracy.Through a lot of tests, not only single-factor test to get through thevarious electrical parameters of the processing speed and the surfaceroughness of the law, but according to the actual situation orthogonalexperimental design, and by a large number of orthogonal test dataanalysis, various electrical parameters test indexes size order. Provide abetter basis for future YG6carbide processing. |