DALMIS, Ibrahim Savas, Namik Kemal University Corlu Engineering Faculty Department of Mechanical Engineering Division of Design and Manufacturing 59860 Corlu-Tekirdag / Turkey Phone :+90 282 250 23 45 Mobile:+90 532 514 83 45 Fax :+90 282 652 93 52 +90 282 250 99 24 E-mail: idalmis@nku.edu.tr, Turkey