Paper Title:
CAE Optimization of Hot Runner Sequential Injection Molding for Car Interior Trim Panels
  Abstract

In the injection molding of large and thin plastics parts, multiple gates are used, so many weld lines would generate because melted plastic has more than two directions of flow. The existence of weld 1ine harms not only appearance, but also the mechanical properties of products. The paper studied the method of sequential injection to solve this problem. Taking car door trim panels for example, the flow simulations were done by Moldflow software. Conventional hot runner injection and sequential hot runner injection, different gating locations were compared. Optimization result was got. It was proven that sequential injection system can improve the quality of the surface (especially the weld 1ine) and the performance of the actual products thereby this can be guiding significance for the practical production.

  Info
Periodical
Edited by
Chuansheng Wang, Lianxiang Ma and Weiming Yang
Pages
460-465
DOI
10.4028/www.scientific.net/AMR.221.460
Citation
L. L. Yang, H. M. Zhang, M. Li, "CAE Optimization of Hot Runner Sequential Injection Molding for Car Interior Trim Panels", Advanced Materials Research, Vol. 221, pp. 460-465, 2011
Online since
March 2011
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$32.00
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