Paper Title:
Research on the Molding Parameters for Low Pressure Sheet Molding Compounds
  Abstract

Molding parameters are significant for compression molding. In this paper, the molding process for low pressure sheet molding compounds thickened by crystalline unsaturated polyester was investigated. The optimal molding parameters such as molding temperature, molding pressure and curing time were determined by orthogonal test. And the effect of molding parameters on flexural strength and surface quality of molded parts were also studied. Results showed that when the molding temperature was 115°C, the pressure adding time was beginning at 15s after LPMC was put into the die cavity, the moving time of press column was 15s at the last 25mm and the pressure keeping time was 6min, LPMC gained optimal mechanical property and surface quality.

  Info
Periodical
Edited by
Ran Chen
Pages
2612-2616
DOI
10.4028/www.scientific.net/AMM.44-47.2612
Citation
J. Li, X. Z. Yu, K. Zhang, "Research on the Molding Parameters for Low Pressure Sheet Molding Compounds", Applied Mechanics and Materials, Vols. 44-47, pp. 2612-2616, 2011
Online since
December 2010
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