Experimental design and machining research on influence of generative electrochemical finishing on surface shape accuracy of the workpiece
by Han Ding; Xieeryazidan Adayi; Ping Zhu
International Journal of Machining and Machinability of Materials (IJMMM), Vol. 16, No. 3/4, 2014

Abstract: In order to obtain higher surface shape accuracy of the machined workpiece, this proposes a special machining method namely generative electrochemical finishing (ECF) and its orthogonal experimental research from two key aspects, flatness and cylindricity. Firstly, with making a contradistinction, it gets a better process schema of the generative ECF. Then, with the improved design of processing programmes and a variety of experimental apparatus based on the corresponding fundamental principle, creation of the experimental platform on contrastive machining the workpiece with different types and specifications, and the actual generative electrochemical finishing for the plane and rotating body workpiece are completed. Lastly, main experimental data affecting their shape accuracy were obtained through the precise measurements and analysis was made. The result from comparison with given experimental data can show that the flatness of processed surface can vary from IT8 to IT4 and the cylindricity is from IT6 to IT2 by the generative electrochemical finishing. Moreover, on surface of the anodic workpiece, they are bad compactness, obvious machining marks and peak-shaped micro-morphology that were transformed into the good, extremely faint, and arc-shaped. Additionally, the tolerance grade of shape accuracy of anode workpiece and its usability is obviously enhanced.

Online publication date: Sat, 14-Feb-2015

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