Paper Title:
Potential of Melted Polymer as Pressure Medium in Sheet Metal Forming
  Abstract

The development of manufacturing methods for producing plastic-metal hybrid structures has already opened new possibilities for lightweight design. Contrarily to the existing technologies i.e. Insert, Outsert and Hybrid Technology, the new forming process “Polymer Injection Forming” (PIF) offers the advantages associated with injection moulding technology and hydroforming technology in a way that hybrid structures can be produced in a single step. The polymer which is used as pressure medium in a melted state to form geometrical features in the sheet metal remains as a functional part in the final hybrid structure. This paper focuses on the experimental investigation of Polymer Injection Forming. Particularly, the interaction between process parameters of injection moulding including injection pressure, cavity pressure, volume flow rate, melt temperature and the resulting part properties e.g. shape and strain distribution of the sheet metal structure from the preliminary results are discussed. The experiments comprise the bulging of a (free form) dome geometry and simple cup geometry of Aluminium and steel sheets by using thermoplastic Polypropylene (PP) as working medium.

  Info
Periodical
Key Engineering Materials (Volumes 410-411)
Main Theme
Edited by
B. Shirvani, R. Clarke, J. Duflou, M. Merklein, F. Micari and J. Griffiths
Pages
493-501
DOI
10.4028/www.scientific.net/KEM.410-411.493
Citation
M. M. Hussain, B. Rauscher, M. Trompeter, A. E. Tekkaya, "Potential of Melted Polymer as Pressure Medium in Sheet Metal Forming", Key Engineering Materials, Vols. 410-411, pp. 493-501, 2009
Online since
March 2009
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$35.00
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