• Title/Summary/Keyword: Precision injection mold

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Application of Design Process Modeling for Mold Design (설계 과정 모델링 기법을 적용한 금형 설계)

  • 장진우;임성락;김석렬;이상헌;우윤환;이강수;허영무;양진석;배규형
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2002.10a
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    • pp.954-957
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    • 2002

  • The objective of design process modeling is a systematic support of rapid redesign process fur a modified input data. The design process modeling is realized by storing key parameters or geometric entities used in the intermediate design steps and reusing them for change of the designed parts or assemblies according to the modified input. In this paper, we adopted and implemented the design process modeling approach to our injection mold design system developed based on the Unigraphics system. It was proved that the productivity of mold redesign process is raised highly by introducing the design process modeling technique mold design system.

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A Study on Development of Automobile Interior Parts through Al-Insert Injection Moulding (Al-Insert 사출성형을 이용한 자동차 내장재 부품 개발에 관한 연구)

  • Lho T.J.;Kim J.Y.;Kang D.J.;Kim J.H.;Kim G.Y.
    • Proceedings of the Korean Society of Precision Engineering Conference
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    • 2005.10a
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    • pp.170-175
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    • 2005

  • Generally, Aluminum is superior to durability, light, and characteristics of the material are embossed luminant. So, these characteristics of aluminum will be used automobile interior parts by aluminum injection moulding. Especially, The external of Aluminum plate is engraved differing pattern by roller working. This working can use any longer and be seen gracefully. This is the reason why aluminum insert moulding is used. This feature of research can be characterized by simple process to customize aluminum sheet of blanking and forming process with internal parts of configuration if products are injected by aluminum sheet. Besides, to analysis completed Automobile interior parts to be concerned volumetric shrinkage, best gate location, fill time analysis and so on through the mold-flow before the aluminum insert moulding is worked.

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Evaluation of Formability Dependent on the Location of Injection Gate of Vertical Machining Center ATC Tool Port Using Injection Molding Analysis (사출성형해석을 이용한 수직머시닝센터 ATC 툴 포트의 사출 게이트 위치에 따른 성형성 평가)

  • Lee, Yu-Wool;Park, Chul-Woo;Kim, Jin-Rok;Choi, Hyun-Jin
    • Journal of the Korean Society of Manufacturing Process Engineers
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    • v.20 no.12
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    • pp.129-135
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    • 2021

  • Injection molding is a manufacturing method of melting the polymer resin and injecting it into a mold to molding it into the desired form. Due to the short molding time and outstanding formability, complex products can be shaped with high precision and it is the most widely used polymer molding method. However, there may be areas that are not filled depending on the location of the injection gate where polymer resin is injected. Formability is determined by deformation and surface precision due to the impact of residual stress after molding. Hence, choosing the location of the injection gate is very important and molding analysis of injection molding is essential to reduce the cost of the mold. This study evaluated the injection formability based on the location of the injection gate of the vertical machining center ATC tool port using injection molding analysis and the results were compared and analyzed. Injection molding analysis was conducted on filling, packing, and deformation according to the location of the gate of the ATC tool port. From each injection gate location, filling time, pressure, and maximum deformation were compared. At gate 2, conditions of molding time and the location of the gate were far superior in production and quality. Gate 2 produced the smallest deformation of 0.779mm with the best quality.

  • https://doi.org/10.14775/ksmpe.2021.20.12.129 인용 PDF KSCI