• Proceedings of the Korean Society for Technology of Plasticity Conference
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• 1998.03a
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• pp.126-129
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• 1998

Proper design of blocker dies is one of the most important aspect of impression and closed-die forging to achieve adequate metal distribution. Determination of the blocker configuration is a very difficult task and is art in itself, requiring skills achieved only by years of extensive experience. To save the cost and time of blocker design, many methods using computer were proposed. In this research, low pass filter method proposed by Oh etc. was applied to blocker die design of spoiler support, part of aircraft and plasticine model experiment of closed die forging of spoiler support was accomplished to verify the validity of the blocker designed.