Browse > Article

Life Estimation of Hot Forging Die by Plastic Deformation and Wear  

이현철 (부산대학교 일반대학교)
김병민 (부산대학교 정밀 정형 및 금형가공 연구센터)
김광호 (부산대학교 무기재료공학과)
Publication Information
Journal of the Korean Society for Precision Engineering / v.20, no.2, 2003 , pp. 66-75 More about this Journal
Abstract
This paper describes about the estimation method of die lift by wear and plastic deformation in hot forging process. The thermal load and the thermal softening are happened by the high temperature in hot forging process. Tool lift decreases considerably due to the softening of the surface layer of a tool caused by high thermal load and long contact time between tool and billet. Also, tool life is to a large extent limited by wear, heat crack and plastic deformation in hot forging process. Above all, the main factors which affects die accuracy and tool lift are wear and the plastic deformation of a die. The new developed technique for predicting tool life applied to estimate the production quantity for a spindle component and these techniques assist to improve the tool life in hot forging process.
Keywords
Hot forging; Tool life; Plastic deformation; Wear depth; Thermal sofiening; Tempering parameter;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
연도 인용수 순위
1 최재찬, 김병민, 김성원, 김호관, 'H-형상 단면의 축대칭 부품에 대한 열간단조 공정설계 및 금형설계,' 한국정밀공학회 춘계발표논문집, 1993
2 Hiroyuki Saiki, 'Tribology in Warm and Hot Forming,' JSTP International Seminar on Precision Forging, 1997
3 D.J. Jeong, D.J. Kim, J.H. Kim, B.M. Kim, T.A. Dean, 'Effects of surface treatments and lubricants for warm forging die life,' Journal of Materials Processing Technology, Vol. 113, pp. 544-550, 2001   DOI   ScienceOn
4 K. Lange, 'Modern metal forming technology for industrial production,' Journal of Materials Processing Technology, Vol. 71, pp. 2-13, 1997   DOI   ScienceOn
5 T. Altan, S. I. Oh, H. L. Gegel, 'Metal Forming: Fundamentals and Applications,' ASM, Metals Park, 1983
6 Olivier Brucelle, Gerard Bernhart, 'Methodology for service life increase of hot forging tools,' Journal of Materials Processing Technology, Vol. 87, pp. 237-246, 1999   DOI   ScienceOn
7 조해용, 이기정, 오병기, 이학규, '비대칭 레일강으로부터 대칭 레일강으로의 열간단조 공정 설계,' 한국정밀공학회 춘계발표논문집, 2002   과학기술학회마을
8 場淺紘二, 剛本治郞, '溫間鍛造用 金型の壽命におけろプレススライドモ-ツョンの影響についての考察,' 塑性と加工, Vol. 22, No. 241, pp. 133-138,1981
9 P. H. Hansen, N. Bay, 'A flexible computer based system for prediction of wear distribution in forming tools,' Advanced technology of plasticity, Vol. 1, pp. 19-26, 1990
10 K. Venkatesan, C. Subramanian, E. Summerville, 'Three-body abrasion of surface engineered die steel at elevated temperatures,' Wear, Vol. 203-204, pp. 129-138, 1997   DOI   ScienceOn
11 H. Saiki, Y. Marumo, A. Minami, T. Sonoi, 'Effect of the surface structure on the resistance to plastic deformation of a hot forging tool,' Journal of Materials Processing Technology, Vol. 113, pp. 22-27, 2001   DOI   ScienceOn
12 J. F. Archard, 'Contact and rubbing of flat surfaces,' Journal of applied physics, pp. 981-988, 1953
13 P.R. Burte, Y.T. Im, and T. Altan, 'Measurement and Analysis of Heat Transfer and Friction During Hot Forging,' Trans. ASME, Journal of Engineering for Industry, Vol. 112, pp. 332-339, Nov., 1990   DOI
14 S.L. Semiatin, E.W. Collings, V.E. Wood, and T. Altan, 'Determination of the Interface Heat Transfer Coefficient for Non-isothermal Bulk-Forming Processes,' Journal of Engineering for Industry, Vol. 109, pp. 49-57, 1987   DOI
15 T. A. Dean, T. M. Silva, 'Die Temperatures During Production Drop Forging,' Journal of Engineering for Industry, Vol. 101, pp. 385-390, 1979   DOI
16 J.H. Kang, I.W. Park, J.S. Jae, S.S. Kang, 'A study on a die wear model considering thermal softening:(II) Application of the suggested wear model,' Journal of Materials Processing Technology, Vol. 94, pp. 183-188, 1999   DOI   ScienceOn
17 T. H. Kim, B. M. Kim, J. C. Choi, 'Prediction of die wear in the wire-drawing process,' Journal of Materials Processing Technology, Vol. 65, pp. 11-17, 1997   DOI   ScienceOn
18 이진호, 김동진, 김병민, 김호관, '열연화 현상을 고려한 열간 단조 금형의 마멸해석,' 한국소성가공학회 Vol. 9, No. 1, pp. 43-51, 2000   과학기술학회마을
19 J.H. Kang, I.W. Park, J.S. Jae, S.S. Kang, 'A study on a die wear model considering thermal softening:(I) Construction of the wear model,' Journal of Materials Processing Technology, Vol. 96, pp. 53-58, 1999