Design & Manufacturing

Korean Society of Die & Mold Engineering (한국금형공학회)
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A study on the thermal deformation of 3 cavity GMP mold for glass lens

GMP 공정용 3 cavity 유리 렌즈 금형의 열변형에 관한 연구

  • Chang, Sung-Ho (Precision Molds & Dies Team, Korea Institute of Industrial Technology) ;
  • Heo, Young-Moo (Precision Molds & Dies Team, Korea Institute of Industrial Technology) ;
  • Shin, Gwang-Ho (Precision Molds & Dies Team, Korea Institute of Industrial Technology) ;
  • Jung, Tae-Sung (Department of Machine Design, Inha Technical College)
  • 장성호 (한국생산기술연구원 정밀금형팀) ;
  • 허영무 (한국생산기술연구원 정밀금형팀) ;
  • 신광호 (한국생산기술연구원 정밀금형팀) ;
  • 정태성 (인하공업전문대학, 기계설계과)
  • Received : 2008.07.29
  • Accepted : 2008.11.21
  • Published : 2008.12.01
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Abstract

Recently, the demands of digital camera and miniature camera module for mobile-phone is increased significantly. Lenses which is the core component of optical products are made by the injection molding(plastic lens) or GMP(glass lens). Plastic lens is not enough to improve the resolution and performance of optic parts. Therefore, the requirement of glass lens is increased because it is possible to ensure the high performance and resolution. In this paper, the thermal stress analysis of 3 cavity GMP mold for molding glass lens was performed for estimating the thermal stress and amount of deformation. Finally, the modification plan based on the analysis results was deducted.

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