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18 Taxiarchis Belis and Aristomenis Antodiadis Fig. 9 – Total wear distribution on the hob cutter after shifting. As it can be seen in the second case, the wear distribution is more uniform due to the fact that more teeth are involved in the cut. Authors in [10] have studied the optimal selection of the shift displacement and number of shifts and introduced a nomogram for various shifting conditions. Fig. 10 – Cutting of 18 gears with different tangential displacement parameters.
Bul. Inst. Polit. Iaşi, t. LVI (LX), f. 2, 2010 19 5. Conclusion This paper suggests a model which simulates the wear progress on the hobbing cutter. The end-user has the ability to optimize tangential shifting conditions, owing to this model, in order to minimize the total gear manufacturing cost. Acknowledgements. The authors wish to thank the Research Committee of the Technical University of Crete for their financial support (via basic research project 2009). Received:March 10, 2010 Technical University of Crete, Department of Production Engineering & Management Chania, Crete, Greece e-mail: tbelis@isc.tuc.gr antoniadis@dpem.tuc.gr R E F E R E N C E S 1. D I N 3972, Bezugsprofile von Verzahnwerkzeugen fuer Evolventenverzahnungen Nach <strong>DIN</strong> 867“, 1981. 2. B o u z a k i s K., K o m p o g i a n n i s S., A n t o n i a d i s A., V i d a k i s N., Gear Hobbing Cutting Process Simulation and Tool Wear Prediction Models. ASME Journal of Manufacturing Science and Engineering, 124, 1, 42-51 (2002). 3. B o u z a k i s K. D., Konzept und technologishe Grundlagen zur automatisierten Erstellung optimaler Bearbeitungsdaten beim Waelzfraesen, Habilitation, TH Aachen, 1980. 4. F r i d e r i k o s O., Simulation of Chip Formation and Flow in Gear Hobbing Using the Finite Element Method, Ph.D. Thesis, Aristoteles University of Thessaloniki, Greece, 2008. 5. D i m i t r i o u V., V i d a k i s, N., A n t o n i a d i s A., Advanced Computer Aided Design Simulation of Gear Hobbing by Means of 3-Dimensional Kinematics Modeling, ASME Journal of Manufacturing Science and Engineering, 129, 911- 918., (2007). 6. D i m i t r i o u V., A n t o n i a d i s A., CAD-based Simulation of the Hobbing Process for the Manufacturing of Spur and Helical Gears, International Journal of Advanced Manufacturing Technology, 41, 3-4, 347-357 (2008). 7. A n t o n i a d i s A., Determination of the Impact Tool Stresses During Gear Hobbing and Determination of Cutting Forces During Hobbing of Hardened Gears, Ph.D. Thesis, Aristoteles University of Thessaloniki, 1989. 8. A n t o n i a d i s A., V i d a k i s N., B i l a l i s, N., Fatique Fracture Investigation of Cemented Carbide Tools in Gear Hobbing. Part 1: FEM Modeling of Fly
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