Published 2002-12-27
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Abstract
The paper deals with problems of physical and numerical modelling of hot bulk processes, with plasticine as a model material. Usage of program for numerical simulation and physical modelling techniques are complementary, due to their advantages and restrictions. This way the results verification for both methods is done, which enables their application for real processes. Besides that, the problem visualisation and monitoring of the whole process in laboratory conditions, without stopping the actual production, enables the tool designer to significantly decrease costs, to increase tool life, to predict and prevent potential defects in material flow, to improve achievable tolerances and final part properties, to lower the tool wearing and to prevent its fatigue failures, to optimise the process parameters, to determine the forming load etc.