Abstract
Pulse electrochemical mechanical polishing (PECMP) technology is a compound polishing technology by combining the mechanical action of a traditional grinding process and the electrochemical reaction of a pulse electrochemical machining (PECM) like process. Its advantages are low surface roughness, high efficiency, simple equipment, low material removal and more applications. Because a number of processing input variables (voltage activation program, electrolyte composition, etc.) will influence the surface quality of workpiece and productivity, controlling the surface reactions in PECMP requires a carefully designed combination of various processing parameters. In the present work, several typical experiments are investigated to compare the properties of PECMP with that of electrochemical mechanical polishing (ECMP). The experimental results can contribute to optimisation of the processing parameters of PECMP. Analytic methodology for the workpiece surface quality after PECMP is helpful to conduct the processing parameters as well. By comparison, PECMP is proved to be more efficient and have better surface quality than ECMP.
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