• 제목/요약/키워드: Roll die machine

검색결과 13건 처리시간 0.039초

고강도강 범퍼 빔 롤 성형공정 개발 (Development of the roll forming process for the bumper beam of high strength steel)

  • 노형주;김광희
    • Design & Manufacturing
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    • 제2권4호
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    • pp.32-36
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    • 2008
  • Roll forming process for the bumper beam of high strength steel is developed by an experimental method. The size of the bumper beam is reduced to 1/1.8 to save development time and cost. The developed forming rolls are installed in the small three-stage roll forming machine and roll forming experiments are carried out. It is found that the experimental method using small forming machine is effective in developing roll forming process for the bumper beam of high strength steel.

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대면적 미세가공시스템 및 장비 개발 (Development of a Large Surface Mechanical Micro Machining System & Machine)

  • 박천홍;오정석;심종엽;황주호
    • 한국정밀공학회지
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    • 제28권7호
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    • pp.761-768
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    • 2011
  • The large surface micro machining system includes the equipments and processes for manufacturing the ultra precision micro patterned products with large surface through the mechanical machining. Recent major issue on the micro machining technology may be the development of optical parts for the back light unit of display which has the largest market. This special issue makes up with three parts; the large surface micro machining system and machine, machining process and forming process. In this paper, the state-of-the-art and core technology of large surface micro machining system is introduced with focus on the manufacturing technology for the back light unit of LCD TV. Then, some research results on the development of a roll die lathe is introduced which involves the concept of machine design, improvement of thermal characteristics in the spindle system, improvement of relative parallelism and straightness between spindle system and long stroke feed table, machining of micro pitch patterns. Finally, the direct forming process is introduced as the future work in the large surface micro machining field.

승용차용 브레이크 Tube-End의 최적설계에 관한 연구 (A Study on the Optimal Design of the Brake Tube-End for Automobiles)

  • 한규택;박정식
    • 한국공작기계학회:학술대회논문집
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    • 한국공작기계학회 2002년도 추계학술대회 논문집
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    • pp.53-57
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    • 2002
  • Brake tube is considered one of the most important parts in automobile. The shape of brake tube-end has a great influence on the function of brake, and the quality and productivity of brake tube have relation to die design. The forming process of brake tube-end is peformed by hydraulic press forming machine. In this paper, the forming processes of tube-end for automobile is analyzed and designed to make the optimal form of brake tube-end. Also, finite element analysis has been carried out using DEFORM-3D$\^$TM/ to predict the optimal shape of brake tube-end and the results obtained showed the optimal length between punch and chuck is 1.0 ∼ 1.2mm. The shape of tube-end is in good agreement with the finite element simulations and the experimental results.

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자동차용 브레이크 튜브 관단부의 성형해석 (On the Deformation Analysis of the Brake Tube-End for Automobiles)

  • 한규택;박정식
    • 동력기계공학회지
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    • 제6권3호
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    • pp.31-35
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    • 2002
  • Brake tube is considered one of the most important parts in automobile. The shape of brake tube end has a great influence on the function of brake, and the quality and productivity of brake tube have relation to die design. The forming process of brake tube end is performed by hydraulic press forming machine. In this paper, the forming processes of tube end for automobile is analyzed and designed to make the optimal form of brake tube end. Also, finite element analysis has been carried out using $DEFORM^{TM}% 3D to predict the optimal shape of brake tube end and the results obtained showed the optimal length between punch and chuck is $1.0{\sim}1.2mm$. The shape of tube end is in good agreement with the finite element simulations and the experimental results.

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