Journal of the Korean Society of Manufacturing Process Engineers (한국기계가공학회지)

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Determination of Feed System and Process Conditions for Injection Molding of Automotive Connector Part with Two Warpage Design Characteristics

두 개의 휨 설계특성을 갖는 자동차 커넥터 부품의 사출성형을 위한 피드 시스템 및 공정조건의 결정

  • 유만준 (금오공과대학교 대학원 기계공학과) ;
  • 박종천 (금오공과대학교 기계공학과)
  • Received : 2021.09.02
  • Accepted : 2021.10.09
  • Published : 2021.12.31
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Abstract

In this study, the optimal feed system and process conditions that can simultaneously minimize each warpage occurring in the two shape features of the 2P Header HSG, a connector part for automobiles, were determined through injection molding simulation analysis. First, we defined each warping deformation of the two features geometrically and quantified them approximately using the injection molding simulation data. For design optimization, a full factorial experiment was conducted considering the feed system, resin temperature, and packing pressure as design variables, and a follow-up experiment was conducted based on the analysis of the average warpage. In this study, an optimal design was generated considering both the warpage result and resin-saving effect. In the optimal design, the warpages of the two shape features were predicted to be 0.18 and 0.29 mm, and these warpages were found to meet the allowable limit of warpage, which is 0.3 mm, for part assembly.

Keywords

Acknowledgement

This research was supported by Kumoh National Institute of Technology(2019-104-064).

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