Temperature optimization for improved thickness control in thermoforming

Journal of Materials Processing and Manufacturing Science

Volumn 8, Issue 2, 1999, Pages 113-126

  Wang, Chao Hsin ^a   Nied, Herman F ^a  

^a Lehigh University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER SIMULATION; FINITE ELEMENT METHOD; ITERATIVE METHODS; OPTIMIZATION; PERTURBATION TECHNIQUES; PROCESS CONTROL; SENSITIVITY ANALYSIS; TEMPERATURE DISTRIBUTION; THICKNESS CONTROL;

ITERATIVE OPTIMIZATION; PROCESS SIMULATION; THICKNESS DISTRIBUTION;

THERMOFORMING;

EID: 1642617983     PISSN: 10620656     EISSN: None     Source Type: Journal    
DOI: 10.1106/L8QJ-JG1C-444T-7P1H     Document Type: Article

References (21)

1. Allard, R., Charrier, J.-M., Ghosh, A., Marangou, M., Ryan, M. E., Shrivastava, S. and Wu, R., 1986, "An Engineering Study of the Thermoforming Process: Experimental and Theoretical Considerations," J. of Polymer Engineering, 6, pp. 363-395.
2. Bathe, Klaus-Jürgen, 1982, "Finite Element Procedures in Engineering Analysis," Prentice Hall, Englewood Cliffs, NJ.
3. Bordonaro C. M., Virkler, T. L., Galante, P.A. Pineo B. and Scott C. E., 1998, "Optimization of Processing Conditions in Thermoforming," Proceedings of the 56th Annual Technical Conference, ANTEC, Part 1 (of 3), pp. 696-700.
4. de Lorenzi, H. G. and Nied, H. F., 1987, "Blowing Molding and Thermoforming of Plastics: Finite Element Modeling," Computers and Structures, 26, No. 1/2, pp 197-206.
5. de Lorenzi, H. G. and Nied, H. F., 1991, "Chapter 5 - Finite Element Simulation of Thermoforming and Blow Molding," Modeling of Polymer Processing, Progress in Polymer Science Series, A. Isayev, Ed., Hanser Publishers, Munich.
6. De Vries, A. J., Bonnebat, C. and Beautemps, J., 1977, "Uni-and Biaxial Orientation of Polymer Films and Sheets," J. Poly. Sci.: Polym. Symp., 58, pp. 109-156.
7. Di Raddo, R., Larchoche, D., Bendada, A. and Ots, T., 1999, "Optimization of Thermoforming with Process Modelling," Proceedings of the 57th Annual Technical Conference, ANTEC, Part I (of 3), pp. 844-851.
8. G'Sell, C. and Jonas, J. J., 1979, "Determination of the Plastic Behavior of Solid Polymers at Constant True Strain Rate," J. Mat. Sci., 14, pp. 583-591.
9. Hamada, H, Okumura, T., Ohno, E. and Yokoyama, A., 1995, "Optimum Analysis Method for Thermoforming Process by Numerical Approach," Proceedings of the 53th Annual Technical Conference, ANTEC, pp. 800-804.
10. Hummel, S. R., 1998, "Determination of the Structural Capabilities of Thermoformed and Blow-Molded Components," Ph.D. Dissertation, Lehigh University.
11. Khayat, R. E. and Raducanu, P., 1998, "A Coupled Boundary/Finite-Element Approach for the Three-Dimensional Simulation of Air Venting in Blow Molding and Thermoforming," Int. J. Numer. Meth. Engng., 43, pp. 151-174.
12. Koziey, B., Pocher, J., Tian, J. J., and Vlachopoulos, J., 1997, "New Results in Finite Element Analysis of Thermoforming," Proceedings of the 55th Annual Technical Conference, ANTEC, Part 1 (of 3), pp. 714-719.
13. Lockett, F. J., 1972, Nonlinear Viscoelastic Solids, Academic Press, London.
14. Nam, G. J., Rhee, H. W. and Lee, J. W., 1998, "Finite Element Analysis of the Effect of Processing Conditions on Thermoforming," Proceedings of the 56th Annual Technical Conference, ANTEC, Part 1 (of 3), pp. 690-694.
15. Nied, H. F., Taylor, C. A. and de Lorenzi, H. G., 1990, "Three Dimensional Finite Element Simulation of Thermoforming," Poly. Eng. Sci., 30, pp. 1314-1322.
16. Novotny, P., Saha, P. and Kouba, K., 1999, "Optimization of Thermoforming," Proceedings of the 57th Annual Technical Conference, ANTEC, Part 1 (of 3), pp. 841-843.
17. Oden, J. T., "Finite Element of Nonlinear Continua," McGraw-Hill, New York, 1972.
18. Schmidt, L. R. and Carley, J. F., 1975, "Biaxial Stretching of Heat-Softened Plastic Sheets Using an Inflation Technique," Int. J. Eng. Sci., 13, pp. 563-578.
19. Shrivastava, S. and Tang, J., 1993, "Large Deformation Finite Element Analysis of Nonlinear Viscoelastic Membrane with Reference to Thermoforming," J. Strain Analysis, 28, No. 1, pp. 31-51.
20. Treloar, L. R. G., 1976, "The Mechanics of Rubber Elasticity," Proc. R. Soc. Lond., A. 351, pp 301-330.
21. Vantai, M., Monasse, B. and Bellet, M., 1995, "Numerical Simulation of Thermoforming of Multilayer Polymer Sheets," Proceedings of the Fifth Int. Conf. on Numerical Methods in Industrial Forming Processes - Numiform '95, Simulation of Material Processing: Theory, Methods and Applications, Shen, S. and Dawson, P. Ed., A.A. Balkema Publishers, pp. 1089-1095.