Visual Experiment Study on the Influence of Mold Structure Design on Injection Molding Product’s Defects

Abstract:

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Injection molding visualization is the experimental method of direct observation on the melt filling behavior in the mold cavity. By using developed visualization system, the influence of mold structure design on the injection molding product’s defects, such as jetting and weld were studied in this paper. The forming process of jetting was observed by the visual method, and results show that it is useful to avoid jetting by locating gate correctly. According to the generation of weld line in single gate cavity, an improved measure to adjust the weld locations by adding overflow traps was proposed. The result indicates that the overflow trap is good for adjusting weld location and makes the defects appear in the unimportant points of surface. Another experiment on the forming process of weld line in two-gate cavity with setting different distance parameters were carried out. The result shows that increasing of gates distance may significantly affect the performance of weld line.

Info:

Periodical:

Advanced Materials Research (Volumes 87-88)

Edited by:

Lianxiang Ma, Chuangsheng Wang and Weimin Yang

Pages:

31-35

DOI:

10.4028/www.scientific.net/AMR.87-88.31

Citation:

P. C. Xie et al., "Visual Experiment Study on the Influence of Mold Structure Design on Injection Molding Product’s Defects", Advanced Materials Research, Vols. 87-88, pp. 31-35, 2010

Online since:

December 2009

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Price:

$35.00

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