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Purpose: The aim of this paper was to present results of researches concerned to predestining quality of polymer parts created by injection moulding method. The estimation of structural solution quality was made on the grounds of the injection moulding computer simulation. Results of studies were compared with predictions presented in professional literature. Design/methodology/approach: Series of injection moulding computer simulations were carried out for different structural solutions of chosen polypropylene part. Supported by taken results predicted quality of part was evaluated. Next literature studies were carried out to compare taken results with instances happened in industrial practice. The analysis of computer simulations usability in designing process of polymer products was made. For the simulation investigations a professional computer software Moldflow Plastics Insight ver. 6.1. has been employed. Findings: Modern computer programs for injection moulding process simulation allow us to predict the quality of final product. Applied algorithms and calculation methods makes elimination of structural defects possible, on the stage of production process designing. Using computer methods to design and optimization of structural conclusions of parts, cut down time and costs of initiating to production. Research limitations/implications: Authors didn’t have the possibility to inject part in every considered in the article structural versions. In the future it is planed to realize the appropriate injection moulds that make possible the presentation of probable structural errors of polymer parts. Moulds like this could have big educational meaning. Practical implications: Results received during studies are going to be used during didactic studies with students and during trainings for injection moulding machines operators. Originality/value: Results of studies presented in the article permit us to understand the meaning of simulating computer programs application in designing and initiating to production of polymer parts
Wydawca
Rocznik
Tom
Strony
109--112
Opis fizyczny
Bibliogr. 21 poz.
Twórcy
autor
autor
autor
- Institute of Polymers Processing and Production Managements, Czestochowa University of Technology, Al. Armii Krajowej 19c, 42-200 Częstochowa, Poland, nabialek@kpts.pcz.czest.pl
Bibliografia
- [1] H. Yokoi, S. Takematsu, Visualization of Burning Phenomena during Cavity Filling Process, Proceedings of the 18th Annual Meeting of the Polymer Processing Society, Guimarães, Portugal, Guimarães, University of Minho, 2002.
- [2] S.Y. Yang, S.C. Nian, I.C. Sun, Flow Visualization of Filling Process during Micro-Injection Molding, International Polymer Processing, Hanser Verlag, XVII 2002.
- [3] S. Hasegawa, H. Yokoi, Y. Murata, Dynamic Visualization of Cavity Filling Process in Ultra-high Speed and Thin Wall Injection Molding, Proceedings of the 19th Annual Meeting of the Polymer Processing Society, Melbourne Australia, 2003.
- [4] http://www.schott.com/lithotec.
- [5] C.A. Hieber, Modeling/Simulating the Injection Molding of Isotactic Polypropylene, Polymer Engineering and Science 42/7 (2002) 1387-1996.
- [6] F. Ilinca, J.F. Hetu, A. Derdour, 3D Modeling of Nonisothermal Filling, Polymer Engineering and Science 42/4 (2002) 760-769.
- [7] J. Nabiałek, Modeling of thermoplastics polymers flow in injection molding. Ph. D. thesis. Czestochowa 2001 (in Polish).
- [8] J. L. Yang, Z. Zhang, A. K. Schlarb, K. Friedrich, On the characterization of tensile creep resistance of polyamide 66 nanocomposites, Part II: Modeling and prediction of long-term performance, Polymer 47/19 (2006) 6745-6758.
- [9] J. Richeton, S. Ahzi, L. Daridon, Y. Rémond, A formulation of the cooperative model for the yield stress of amorphous polymers for a wide range of strain rates and temperatures, Polymer 46/16 (2005) 6035-6043.
- [10] J. Nabialek, D. Kwiatkowski, Investigations of the plastics flow during the injection moulding process - selected results, Proceedings of the 14th Scientific International Conference "Achievements in Mechanical and Materials Engineering" AMME'2003, Gliwice-Wisła, 2006, 225-228.
- [11] J. Nabialek, J. Koszkul: The influence of input data on the results of injection molding process simulation, Proceedings of the 13th Scientific International Conference "Achievements in Mechanical and Materials Engineering" AMME'2005, Gliwice-Wisła, 2005, 455-458.
- [12] J. Koszkul, J. Nabiałek, The Influence of Viscosity Model on the Results of Injection Molding Process Simulation, Proceedings of the 9th Scientific International Conference "Achievements in Mechanical and Materials Engineering" AMME'2000, Gliwice-Sopot-Gdańsk, 2000, 311-314.
- [13] K. Lee, M.R. Mackley, The significance of slip in matching polyethylene processing data with numerical simulation, Journal of Non-Newtonian Fluid Mechanics 94 (2000) 159-177.
- [14] Y.K. Shen, S.T. Huang, C.J. Chen, S. Yu, Study on flow visualization of flip chip encapsulation process for numerical simulation, International Communications in Heat and Mass Transfer 33/2 (2006) 151-157.
- [15] A. Özdemir, O. Uluer, A. Güldas, Flow front advancement of molten thermoplastic materials during filling stage of a mold cavity, Polymer Testing 23/8 (2004) 957-966.
- [16] R. Pantani, Validation of a model to predict birefringence in injection Molding, European Polymer Journal 41/7 (2005) 1484-1492.
- [17] K. Wilczyński, CADMOULD-3D - computer modeling of polymers injection process - simulation of filling stage. Polymers 44/6 (1999) 407-412 (in Polish).
- [18] P. Kennedy, Flow Analysis of Injection Molds, Hanser-Gardner, 1995.
- [19] G.V. Gordon, M.T. Shaw, Computer Programs for Reologist, Hanser Publishers, Munich Vienna New York. 1994.
- [20] C.L. Tucker III, Computer Modeling for Polymer Processing. Hanser Publishers, Munich Vienna New York. 1989.
- [21] J. Koszkul, J. Nabiałek, Viscosity models in simulation of the filling stage of the injection molding process, Journal of Materials Processing Technology 157-158 (2004) 183-187.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BSL8-0028-0048