A NEW APPROACH OF SURFACE ENVELOPING, BASED ON THE DISCREETLY SURFACES REPRESENTATION, IN ORDER TO ALGORITHMIZE AND INFORMATIZE THE GENERATING TOOLS PROFILING

Research team:

Experienced researchers:

Mircea DIMA

Competence fields:

- Cutting process modeling on machine‑tools;

- Surfaces generation with cutting tools which machining by rolling;

- Algorithms for surfaces generation study;

Significant results: Member in team of  Scientific Research Contract no. 373/2004 with S.C. PROMEX S.A; Member in team of  CNCSIS contract no. 1041/2003 Algorithmization by solid modeling of conjugated surfaces study with applications in non‑cylindrical polyform surfaces synthesis;

Significant published papers:

- Dima, M., Oancea,N., Model pentru determinarea schemei de aşchiere la generarea vârtejurilor de profiluri cuprinzătoare, în BULETINUL INSTITUTULUI POLITEHNIC DIN IASI, Tom L (LIV), Construcţii de maşini, p 35-38, ISSN 1011-2855, 2004;

- Oancea, N., Dima, M., Modeling of the Variation of the Detached Chip Area Size by Teeth of the Rack-Shaped Cutter in the Rolling Process, în BULETINUL INSTITUTULUI POLITEHNIC DIN IASI, Tom L (LIV), Construcţii de maşini, p 105-108, ISSN 1011-2855, 2004;

- Dima, M., Oancea, N., Constructive Modifications for the Energetical Improvement of the Toothing Process, în Proceedings of The International Conference on Manufacturing Systems ICMaS, Tome 49, p. 237-240, ISSN 0035-4074, 2004;

- Dima, M., Oancea, N., Teodor,V., Cutting Scheme  Modeling at Generation by Rack-gear Tool Algorithms, în Buletinul Institutului Politehnic din Iasi Publicat de Universitatea Tehnica Gh.Asachi, Iasi, Tomul LII (LVI), Fasc. 5A, Sectia Constructii de Masini, p. 85-90, 2006;

-Dima, M., Modele pentru ameliorarea procesului de danturare cu scula‑melc, Tehnologii Moderne, Calitate, Restructurare 2007, Vol. 2, Editia XI, Chişinău, Editura U.T.M., ISBN 978‑975‑45‑034‑8, ISBN 978‑9975‑45‑035‑2, p. 98‑101, 2007.

Virgil TEODOR

Competence fields:

- Cutting process modeling on machine‑tools;

- Surfaces generation with cutting tools which machining by rolling;

- Algorithms for surfaces generation study;

Significant results: Member in team of  Scientific Research Contract no. 373/2004 with S.C. PROMEX S.A; Member in team of  CNCSIS contract no. 1041/2003 Algorithmization by solid modeling of conjugated surfaces study with applications in non‑cylindrical polyform surfaces synthesis; Member in team of  CNCSIS contract no. 1027/2003 A new algorithm for enveloping surfaces study, with applications in spiroid worm gear synthesis;

Significant published papers:

- Oancea, N., Teodor, V., The In‑Plane Trajectories Method. Algorithm for Worm Cutter Tool Profiling, in Proceedings of The International Conference on Manufacturing Systems ICMaS, Tome 49, p. 289-293, ISSN 0035-4074, 2004;

- Teodor, V., Oancea, N., Baicu, I., Oancea, V. G., The In‑Plane Trajectories Method with Applications in Surfaces Generation. In: The 8^th World Multi‑Conference on Systemics, Cybernetics and Informatics, Orlando, USA, ISBN 980‑6560‑13‑2, pag. 318‑321, 2004;

- Oancea, N., Teodor,V., Bizim, L., A New Mathematical Model for Helical Drill Back Face Geometry Study, The Annals of  Dunarea de Jos University of Galati. Fascicle V, Year XXIV ( XXIX), Technologies in Machine Building, ISSN 1221-4566, p. 35‑49, 2006;

- Oancea, N., Teodor, V., Bizim, L., Metodă pentru analiza geometriei suprafeţei de aşezare a burghielor – Ascuţirea conică, Tehnologii Moderne Calitate Restructurare 2007, Universitatea Tehnică a Moldovei, vol. 2, Chişinău, ISBN 978‑975‑45‑034‑8, ISBN 978‑9975‑45‑035‑2, pag. 176‑179, 2007;

In-development researchers:

In this research project will be involved three PhD students which will develop abilities and capacities in the proposed domain, mainly in software products, so the knowledge transmission and new ideas promotion to be easier made.

The young researchers may obtain knowledge and will become active in closed domain as research personnel.

Ing. Marian Cucu will be involved in:

in year 2007 -Objective 1, activities 1.2, 1.4;

in year 2008 -Objective 3, activities 3.1, 3.2, Objective 5, activity 5.1;

in year 2009 - Objective 7, activities 7.1, 7.2, Objective 8, activities 8.1, 8.2, 8.3, Objective 10, activities 10.1, 10.2.

Doctoral thesis: Contributions to tools corrective profiling algorithms in order to decrease the generating errors (scientific tutor prof. Oancea Nicolae).

Ing. Gabriel Dura will be involved in:

in year 2007 - Objective 1, activities 1.1;

in year 2008 - Objective 2, activities 2.1, 2.2, 2.3, Objective 5, activities 5.1, 5.2;

in year 2009 - Objective 6, activities 6.1, 6.2, Objective 7, activities 7.1, 7.2, Objective 9, activities 9.1, 9.2, Objective 10, activities 10.1, 10.2.

Doctoral thesis: Contributions at complex surfaces generation by discretization (scientific tutor prof. Oancea Nicolae).

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