![]() I, II, and III, Air Force Materials Lab., July 1977. and Altan, T., “Application of Computer-Aided Design and Manufacturing to Precision Isothermal Forging of Titanium alloys”, Battelle’s Columbus Laboratories, Final Report AML-TR77-108. Knight, W.A., “Part Family Methods for Bulk Metal Forming”, International Journal of Production Research, Vol. Tang, J.P., Oh, S.I., and Altan, T., “The Application of Expert Systems to Automatic Forging Design”, Proceedings of 13th NAMRC, pp. Details about the design variables, design constraints, objectives, analytical sensitivity calculations, condensed states, satisfaction of behavior constraints, and the optimal tracking algorithm are presented here with engineering case studies. ![]() The methods developed here are applicable to several unit processes like extrusion, shape rolling, etc., besides forging. The tools discussed here are based on computer graphics, finite element modeling, design optimization and optimal control strategies, and can be run on personal computers, work stations and main frame computers, to meet a variety of customer needs and to provide user friendly tools for conducting “what if” studies. This paper discusses the development of engineering tools for die shape design in the forging process and the utilization of this information for determining optimal operating conditions.
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