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SME MF99-149
- The Use Of Active Drawbeads In The Forming Of Non-Symmetric Aluminum Panels
- standard by Society of Manufacturing Engineers, 11/01/1999
- Publisher: SME
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An experimental investigation in which active drawbead technology is used to study its effect on formability of Al 6111-T4 in non-symmetric panel forming is described. Drawing limit curves in terms of draw depth versus blankholder forces (BHF) are plotted and different drawbead trajectories are tested so as to determine an optimal drawbead trajectory scheme. A corresponding finite element model is also created. The results of strain path analysis successfully support the experiments.
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