• 제목/요약/키워드: Surround Molding

검색결과 3건 처리시간 0.015초

금형 자동 보정 방식을 이용한 자동차 서라운드 몰딩 부품의 스프링백 현상 제어 (Springback Control of an Automotive Surround Molding Part Using Automatic Die Compensation Module)

  • 이덕영;최보성;황재현;백일기;최광용
    • 소성∙가공
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    • 제18권3호
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    • pp.210-216
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    • 2009
  • Springback, an elastic material recovery after the unloading of stamping tools, causes variations and inconsistencies of final part dimensions. Recently, narrow and long surround molding parts around door frame are applied to high grade automobiles, but there are great difficulties in their die development, construction and tryout because of several springback modes including vertical movement and twist during flange forming process of them. So it is very important to predict springback's quantities of a surround molding part and, moreover, to compensate the die for them adequately, when they can't be corrected by the restrike operation. This paper presents a case study based on the die design for a surround molding part made of stainless steel. The forming and springback predictions, carried out using PAMSTAMP 2G, are reported and compared with the measurement data of the prototype. The predicted springback results were acceptable, so the processes of compensating die using Automatic Die Compensation Module of PAMSTAMP 2G were performed iteratively until the tolerances between the designed shape and the simulation data were satisfied.

금형자동보정방식을 이용한 스프링백현상 제어 (Springback Control Using Automatic Die Compensation Module)

  • 최보성;황재현;백일기;이덕영
    • 한국소성가공학회:학술대회논문집
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    • 한국소성가공학회 2008년도 추계학술대회 논문집
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    • pp.162-168
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    • 2008
  • Recently surround molding parts using stainless steel are applied to international and domestic high grade vehicles, but there are great difficulties in die manufacture because of springback and twist after forming process. To solve this problem, finding the method of reduction springback is very important. In this study the springback which might happen during making a die that produce stainless steel surround molding parts is predicted and the geometry of die which satisfy the tolerance between product and panel after forming and springback will be suggested using automatic die compensation module.

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사출 성형을 위한 니켈 도금을 수행한 마이크로 몰드의 개발 (Development of Micro mold with Electroplating Ni for Injection molding)

  • 황교일;김훈모
    • 한국정밀공학회지
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    • 제23권2호
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    • pp.138-145
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    • 2006
  • An injection molding is necessary to mass-product for micro-nano system, so micro-nano mold must be developed for injection molding. The micro-nano mold has precision and strength to overcome a surround of injection. So in this paper, two methods were used. First, after etching the Al, Ni was electroplated in etched AI. The other, LIGA method was used. A temperature and thickness of Ni are important factors in these methods. So after fabrication, the simulation was processed to find optimal thickenss of Ni and temperature.