CIESC Journal ›› 2018, Vol. 69 ›› Issue (7): 3174-3180.doi: 10.11949/j.issn.0438-1157.20171673

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Simulation of fiber erosion on mold during filling process of fiber reinforced plastic injection molding

JIANG Ben, ZHAI Ming, REN Jianxing, MA Shiheng, SHEN Changyu   

  1. College of Mechanics and Engineering Science, Zhengzhou University, Zhengzhou 450001, Henan, China
  • Received:2017-12-20 Revised:2018-03-20 Online:2018-07-05 Published:2018-04-09
  • Supported by:

    supported by the National Natural Science Foundation of China (U1304107) and College Students Innovation and Entrepreneurship Training Program(2017cxcy091).

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Abstract:

The surface erosion wear of plastic mold caused by the impact of glass fibers was studied. The finite element software ANSYS/LS-DYNA was employed to study the erosion process. A multi-particle erosion finite element model was established and a three-dimensional explicit impact dynamic scheme was carried out to analyze the erosion of the mold under different impacting velocities and incident angles to clarify the erosion mechanism. The results showed that the erosion of glass fibers to the mold was dominated by micro-cutting, and the erosion rate increased with the rising of impacting velocity and tended to rise and decline with the increasing of incident angle.

Key words: fiber reinforced plastics, injection molding, filling process, mold erosion wear, simulation

CLC Number: 

  • TQ320.66

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