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논문KCI 등재

상부금형 변경에 따른 상용 A-IMS 핵심 부품 최적화 설계

Optimal Design of the A-IMS Core Components for Commercial Vehicle by the Effect of Upper Die Type

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참고문헌

키워드

주제분류기계공학

초록

The objective of this study is to investigate the effect of closed and open type on the load characteristics and amount of waste in tubular shaft and solid shaft for optimal design. The open and closed type were designed by 6 stage processes and applied for analysis. The coefficient of friction was set to Oil_Cold conditions as refer to the analysis library. It is found that the actual underfill phenomenon was not observed on the closed and open type. The metal flow of the closed and open type are revealed that the folding phenomenon was not occurred, thus there is no problem in actual production. The load characteristics are similar from stage 1 to stage 3 due to the same geometry of upper and lower die. However, tubular shaft and solid shaft are decreased 26% and 32% load from stage 4 to stage 6. In case of open type, amount of waste of tubular shaft and solid shaft are each 11g and 14g.

Abstract

The objective of this study is to investigate the effect of closed and open type on the load characteristics and amount of waste in tubular shaft and solid shaft for optimal design. The open and closed type were designed by 6 stage processes and applied for analysis. The coefficient of friction was set to Oil_Cold conditions as refer to the analysis library. It is found that the actual underfill phenomenon was not observed on the closed and open type. The metal flow of the closed and open type are revealed that the folding phenomenon was not occurred, thus there is no problem in actual production. The load characteristics are similar from stage 1 to stage 3 due to the same geometry of upper and lower die. However, tubular shaft and solid shaft are decreased 26% and 32% load from stage 4 to stage 6. In case of open type, amount of waste of tubular shaft and solid shaft are each 11g and 14g.

참고문헌 (7)

  1. K. H. Choi, "Finite Element Analysis and Shape Design for Coated Intermediate Shaft of Steering System", Conference of KSAE, pp.1284~1288 (2009)
  2. M. E. Kim, "Study on the Precision Cold Forging for Steering Yoke of Automobiles", Journal of KSTP Fall conference, pp.120~123 (1999)
  3. 이현구, "자동차 조향장치 비대칭 핀치요크의 원가절감을 위한 냉간단조 공정단축 설계", 한국기계기술학회지, 16(2), pp.1365~1370 (2014), 한국기계기술학회[DOI]
  4. 송승은, "연료 압력 조절기용 가이드 밸브의 냉간 단조 개발에 관한 연구", 한국생산제조학회지, 21(2), pp.331~336 (2012), 한국생산제조학회[DOI]
  5. H. M. Kim, "Finite Element Analysis for Complex Forging of Yoke Appling Double-Action Extrusion Process", Journal of KSTP Fall conference, pp.129~133 (2011)
  6. 여홍태, "최적화기법의 적용을 통한 냉간단조품의 성형공정 평가", 소성가공, 15(3), pp.226~231 (2006), 한국소성가공학회
  7. 민세훈, "상부금형의 형상에 따른 비대칭 핀치 요크의 최적 설계", 한국기계기술학회지, 16(6), pp.2117~2122 (2014), 한국기계기술학회

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