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Development of Modeling and Simulation from mid 70th up to now

: Leopold, J.

Micari, F.; Filice, L. ; University of Calabria, Rende:
10th CIRP International Workshop on Modeling of Machining Operations. Proceedings : August 27-28, 2007, Reggio Calabria, Italy
Rende: University of Calabria, Department of Mechanical Engineering, 2007
ISBN: 978-88-95267-04-3
International Workshop on Modeling of Machining Operations <10, 2007, Reggio Calabria>
Fraunhofer IWU ()
modeling; simulation; chip formation; burr formation; numerical method; Future Trends; Modellierung; Spanbildung; Gratbildung; Numerische Methode; Trend

Manufacturing in the future will require much more powerful strategies for control of processes in a highly automated manufacturing environment. Effective utilisation of the newest manufacturing equipment depends heavily on applications of information technology. Accurate predictions of the results of manufacturing operations are required. This includes prediction of the accuracy of shape and dimensions and the surface roughness and properties of the subsurface layer of the parts produced, the machining times required and the costs of the operation. The amount of scrap should be minimised.
During this century a wealth of knowledge in metal cutting has been obtained through scientific research in many laboratories scattered all over the world that is documented in thousands of publications of ail kinds. Unfortunately much of this knowledge can not be used by computers. because it is not properly formalised, does not cover recent developments in metal cutting technology or is not even known outside a small circle of experts. Nobody has a complete overview of what knowledge is available for practical applications in industry. Even for those few cases for which models are known to technicians in the workshop these can not be used due to lack of reliable numerical data or the models are misused because the boundaries of the application area are not known well enough.
The field of modelling of machining operations is extremely large. Models may be required for different purposes. There are many different machining operations. For each operation, different aspects can be modelled and many different techniques for modelling can be used. Consequently there exists a wide variety of models dealing in one way or another with machining operations.
The main gaol of the presentation is to summarize the most important steps in modelling and simulation of machining operations within the last 30 years and to find out the topics for rersearch and development in the future.