プレス加工によるアルミ缶蓋の成形過程最適化に関する研究(<小特集>第19回設計工学・システム部門講演会)

概要

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This paper proposes a new tooling system for forming end shells of aluminum beverage cans to improve panel wall thinning. Shell forming simulations are then performed to investigate the effective factors on forming quality using the finite element method. The structural optimization technoloygy based on numerical simulations is finally applied to search optimum design points of the new tooling system. Optimization results show that panel wall thinning of end shell can be improved 7.4% by the design optimization of forming processes and tool profiles in the new tooling system, as compared with the base line model of conventional tooling system. It is also confirmed that the end shell formed by the new tooling system has higher buckling strength under internal pressure.
2010-11-25