Identifying parameters of a broaching design using non-linear optimisation
Özelkan, Ertunga C. and Öztürk, Özkan and Budak, Erhan (2011) Identifying parameters of a broaching design using non-linear optimisation. International Journal of Modelling, Identification and Control (IJMIC), 12 (3). pp. 244-252. ISSN 1746-6172 (print) , 1746-6180 (online)
Official URL: http://dx.doi.org/10.1504/IJMIC.2011.039702
Broaching is one of the most recognised machining processes that can yield high productivity and high quality when applied properly. One big disadvantage of broaching is that all process parameters, except cutting speed, are built into the broaching tools. Therefore, it is not possible to modify the cutting conditions during the process once the tool is manufactured. Optimal design of broaching tools has a significant impact to increase the productivity and to obtain high quality products. In this paper, an optimisation model for broaching design is presented. The model results in a non-linear non-convex optimisation problem. Analysis of the model structure indicates that the model can be decomposed into smaller problems. The model is applied to a turbine disc broaching problem which is considered as one of the most complex broaching operations.
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