Optimisation of a stamping process by a design of experiment linked to a modal analysis of geometric defects

• Autorzy: Ledoux, Y. , Samper, S. , Favreliere, H. , Formosa, F. , Pairel, E. , Arrieux, R.

Warianty tytułu

PL

Optymalizacja procesu tłoczenia metodą planowania eksperymentu i analizy modalnej

• Języki publikacji: EN

Abstrakty

EN

The aim of this work was to present a method that gives an optimized set of values for the process parameters in order to obtain stamped parts with the fewest defects. The springback, influenced by process parameters is one of the sources of defects. The process is simulated by the finite element method. A design of experiments is used to compute the mathematical model and to minimize the trials number. The defects are characterized by a set of modal shapes. A defect criterion is calculated from this decomposition. Then an optimization is made by minimizing of this criterion in order to obtain the best process parameters. An example is shown in order to explain the method.

PL

Celem pracy jest optymalizacja procesu kształtowania wytłoczek ze względu na możliwość eliminacji skutków sprężystych odkształceń powrotnych. Zastosowanie planowania eksperymentu (MES) jako eksperymentu wirtualnego oraz analizy modalnej w celu oceny kształtu wytłoczki umożliwiają wyznaczenie parametrów tłoczenia zapewniających dużą dokładność kształtu wytłoczki.

Słowa kluczowe

PL

odkształcenia sprężyste; tłoczenie

EN

design of experiments; modal shapes; stamping; springback

• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2006
• Tom: Vol. 6, no 1
• Strony: 5-17
• Opis fizyczny: Bibliogr. 12 poz., rys., tab., wykr.

Twórcy

autor

Ledoux, Y.

autor

Samper, S.

autor

Favreliere, H.

autor

Formosa, F.

autor

Pairel, E.

autor

Arrieux, R.

• Laboratory of Applied Mechanics, University of Savoy, BP 806, 74016 ANNECY Cedex, France

Bibliografia

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• [2] Mongomery D. C.: Design and analysis of experiments, fourth edition, 1996.
• [3] Pairel E., Ledoux Y., Arrieux R., Tabourot L., Incandela O.: Geometrical defects correc-tion of stamping parts by numerical simulation and design of experiment, Archives of Civil and Mechanical Engineering, 2004, Vol. 4, No. 4, pp. 75-85.
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• [6] Hill R.: A theory of the yielding and plastic flow of anisotropic metals, Proc. R. Soc. Lond. 1948, A193, pp. 281-297.
• [7] Arrieux R., Ledoux Y., Pairel E.: A method of springback compensation and process pa-rameters optimisation based on finite element method and design experiment, Proceed-ings of net-shape sheet metal forming, May 13th, 2005, Poznań (PL), pp. 69-83.
• [8] Capello E., Semeraro: Harmonic fitting approach for plane geometry measurements, The International Journal of Advanced Manufacturing Technology, 2000, Vol. 16, pp. 250-258.
• [9] Summerhays: Optimizing discrete point sample patterns and measurement data analysis on internal cylindrical surfaces with systematic form deviations, Precision Engineering Journal of the International Societies for Precision Engineering and Nanotechnology, 2002, No. 26, pp. 105-121.
• [10] Huang W., Ceglarec D.: Mode-based decomposition of part form error by discrete-co-sine-transform with implementation to assembly and stamping system with compliant parts, Annals of the CIRP, 2002, Vol. 51(1), pp. 21-26.
• [11] Formosa F., Samper S.: Modal expression of form defects, Proceedings of 2005 CIRP International Seminar on Computer Aided Tolerancing Tempe, Arizona, 2005.
• [12] Adragna P.-A., Samper S., Pillet M., Favreliere H.: Analysis of shape deviations of meas-ured geometries with modal basis, XVII Workshop on Supervising and Diagnostics of Machining Systems Manufacturing Accuracy Increasing Problems, Karpacz, Poland, March 2006.