축대칭 전기업셋단조 공정의 유한요소해석

• 영문명: Finite Element Analysis of Axisymmetric Electro-Upsetting Process
• 발행기관: 개인저작물
• 저자명: 이춘만(Choon-Man Lee)
• 간행물 정보: 『개인저작물 - 공학』제8집, 15~25쪽, 전체 11쪽
• 주제분류: 공학 > 개인저작물
• 파일형태: PDF
• 발행일자: 1994.06.null

영문 초록

A thermo-viscoplastic finite element analysis is made for axisymmetric electro-upsetting process which is used for production of preforms of engine valves, flanged shaft and so on. The analysis of deformation and heat transfer are carried out for the process by decoupling the two analysis. An automatic remeshing technique is proposed by employing specially designed mesh structure. Process parameters, such as, heat transfer coefficient, upsetting temperature, heating current, feedrate of billet bar are discussed to obtain properly deformed shape.

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