Diminishing Shape Errors at Electrical Discharge Machining of External Cylindrical Surfaces

Author:

Slătineanu Laurenţiu1,Coteaţă Margareta1ORCID,Gherman Lorelei1,Beşliu Irina2,Radovanović Miroslav3,Mircescu Ciprian1,Ştoica Stefan1

Affiliation:

1. Gheorghe Asachi Technical University of Iaşi

2. University “Ştefan Cel Mare” of Suceava

3. University of Niš

Abstract

Electrical discharge machining is a method that could be applied in order to detach cylindrical parts from a workpiece made of electroconductive material. If cylindrical tube is used as tool electrode, the machined surface could have a conical shape, due to the presence in the work gap of the electroconductive particles, detached from electrodes. Experimental researches were developed in order to obtain information concerning the shape error of machined surface. As a result of the experimental observation, improved technological solutions were identified and investigated. The experimental results proved certain possibilities of shape error decrease.

Publisher

Trans Tech Publications, Ltd.

Reference8 articles.

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2. E. Murgulescu, S. Flexi, O. Kreindler, O. Sacter, M. Tîrnoveanu, Analytical and differential geometry (in Romanian), Editura Didactică şi Pedagogică, Bucharest, (1965).

3. E. Bud Guitrau, The EDM Handbook. Hanser Gardner Publications, Cincinnati, (1997).

4. O. Dodun, Nonconventional technologies. Machining methods with materialized tools (in Romanian), Tehnica Info, Chişinău, (2001).

5. L. Slătineanu, M. Coteaţă, I. Beşliu, L. Gherman, O. Dodun, Machining of external cylindrical surfaces on a ram electrical discharge machine, Esaform 2013 Conference, Aveiro (Portugal), 22-24 April (2013).

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