Investigation Of Surface Roughness And Accuracy In EDM Wire-Cut

Tengku Hasanul Adlan , Tengku Bahanuddin (2007) Investigation Of Surface Roughness And Accuracy In EDM Wire-Cut. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The experimental study presented in this paper aims to select the most suitable cutting and offset parameter combination for the wire electrical discharge machining process in order to get the desired surface roughness value for the machined workpieces. A series of experiments have been performed on several types of steel material with desire thicknesses. The test specimens have been cut by using different cutting and offset parameter combinations of the “Mitsubishi RA90” wire electrical discharge machine in the University Technical Malaysia Melaka CNC center lab. The surface roughness of the testpieces has been measured by using a surface roughness measuring device. The related tables and charts have been prepared for material type, wire diameter and wire type. The tables and charts can be practically used for EDM parameter selection for the desired workpiece surface roughness.

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