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http://dx.doi.org/10.5228/KSPP.2003.12.6.536

Finite Element Analysis of a Piercing and Trimming Process Having a Spring-Attached Die in Hot Former Forging  

문호근 (FAG 한화베어링(주) 연구소)
정재헌 (FAG 한화베어링(주) 연구소)
전만수 (경상대학교 기계항공공학부)
Publication Information
Transactions of Materials Processing / v.12, no.6, 2003 , pp. 536-541 More about this Journal
Abstract
In this paper, the rigid-viscoplastic finite element method is employed together with an iteratively force-balancing method to analyze a piercing and trimming process with a spring-attached die in hot former forging. An actual piercing and trimming process with a spring-attached die is investigated in detail and a generalized analysis model is proposed. A multi-stage hot former forging process is simulated under various spring constants. The analyzed results are discussed in order to investigate the effects of spring constants on the metal flow lines and the formed shapes. Then an optimal piercing and trimming process in hot former forging is devised.
Keywords
Finite Element Analysis; Piercing and Trimming Process; Spring-Attached Die; Hot Former Forging Process; Iteratively Force-Balancing Scheme;
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