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Journal of Modern Mechanical Engineering and Technology

Articles

Vol. 5 (2018)

Finite Element Thermal Simulations for the Design of Mold Conformal Heating Channels Manufactured by 3D Printing Sand Casting for Molding of EPDM Rubber

DOI
https://doi.org/10.31875/2409-9848.2018.05.5
Submitted
September 11, 2018
Published
2018-09-11

Abstract

This paper presents an application of Additive Manufacturing (AM) technology that is suitable for manufacturing molding tools with conformal heating channels to increase productivity for EPDM rubber molding. The design and the manufacturing of a molding tool by combining 3D sand printing and casting processes was analyzed. A simplified finite element thermal analysis was used to optimize the EPDM molding cycle time of an automotive hood seal. The simulation results showed that by using a mold with conformal heating channels manufactured by 3D printing sand casting, the cycle time process of EPDM can be reduced by 41.5%.

References

  1. Oh JH, Kim SD, Kim JS. Current status for resources recycling in Korea. J Korean Inst Resour Recycl 2003; 12(5): 3-9.
  2. Song HS, Hyun JC. Practical optimization methods for finding best recycling pathways of plastic materials. Clean Tech 2001; 7(2): 99-107.
  3. Folkes M, Hope PS. Polymer blends and alloys. Springer: Dordrecht 1993. https://doi.org/10.1007/978-94-011-2162-0
  4. Sims GLA, Jaafar HAS. A chemical blowing agent system (CBAS) based on azodicarbonamide. J Cell Plast 1994; 30(2): 175-188. https://doi.org/10.1177/0021955X9403000205
  5. Michaeli W, Hopmann C, Masberg U, Sitz S. Determination of the expansion process of cellular rubber materials. Cell Polym 2011; 30(4): 215-226. https://doi.org/10.1177/026248931103000404
  6. Stehr J. Chemical blowing agents in the rubber industry: Past – present – and future?. GAK Gummi Fasern Kunststoffe 2015; 68(12): 812-819.
  7. Dick JS, Annicelli RA. Compound changes to balance the cure and blow reactions to control cellular density and structure. GAK Gummi Fasern Kunststoffe 1999; 52(4): 297- 308.
  8. Xu RX, Emanuel S. Rapid thermal cycling with low thermal inertia tools. Polym Eng Sci 2009; 49: 305-316. https://doi.org/10.1002/pen.21261
  9. Park HS, Pham NH. Design of conformal cooling channels for an automotive part. Int J Automot Technol 2009; 10: 87- 93. https://doi.org/10.1007/s12239-009-0011-7
  10. Shayfull Z, Sharif S, Zain AM, Ghazali MF, Mohd Saad R. Potential of conformal cooling channels in rapid heat cycle molding: A review. Adv Polym Technol 2014; 33(1): 1-24. https://doi.org/10.1002/adv.21381
  11. Upadhyay M, Sivarupan T, El Mansori M. 3D printing for rapid sand casting-A review. J Manuf Process 2017; 29: 211- 220 https://doi.org/10.1016/j.jmapro.2017.07.017
  12. Singh R. Three dimensional printing for casting applications: A state of art review and future perspectives. Adv Mater Res 2010; 83-86: 342-349.
  13. Feng P, Meng X, Chen J, Ye L. Mechanical properties of structures 3D printed with cementitious powders. Construct Build Mater 2015; 93: 486-497. https://doi.org/10.1016/j.conbuildmat.2015.05.132
  14. Chhabra M, Singh R. Rapid casting solutions: a review. Rapid Prototyping J 2011; 17: 328-350. https://doi.org/10.1108/13552541111156469
  15. Zhao D, Guo W, Zhang B, Gao F. 3D sand mould printing: a review and a new approach. Rapid Prototyping J 2018; 24(2): 285-300. https://doi.org/10.1108/RPJ-05-2016-0088
  16. Rao NS, Schumacher G, Schott NR, O'Brien KT. Optimization of cooling systems in injection molds by an easily applicable analytical model. J Reinf Plast Comp 2002; 21: 451-459. https://doi.org/10.1177/0731684402021005471
  17. Angadi BM, Hiremath CR, Reddy AC, Katti VV, Kori SA. Studies on the thermal properties of hypereutectic Al–Si alloys by using transient method. J Mech Eng Res Technol 2014; 2(1): 536-544.
  18. Ozisik MN. Heat Transfer: a Basic Approach. McGraw-Hill Book Company, New York. 1985.
  19. Colburn AP. A method of correlating forced convection heat transfer data and a comparison with fluid friction. Trans AIChE 1933, 29: 174-210.
  20. Restrepo-Zapata NC, Eagleburger B, Saari T, Osswald TA, Hernandez-Ortiz JP. Chemorheological time-temperaturetransformation-viscosity diagram: Foamed EPDM rubber compound. J Appl Polym Sci 2016; 43966: 1-8. https://doi.org/10.1002/app.43966
  21. Wang BQ, Peng ZL, Zhang Y, Zhang YX. Study on foaming kinetics and preparation of EPDM foams. Plast Rubber Comp 2006; 35(9): 360-367. https://doi.org/10.1179/174328906X149673