Abstract
The countersinking process is affected by many factors including the tools and the workpiece parameters. Some forming phenomena such as the knife-edge affect the quality of the countersunk hole. Up to now, many kinds of research rely mainly on experiments which lead to poor quality and difficult control of this process. In this paper, a proposed numerical optimization of the countersinking process is developed to obtain a normalized countersunk hole. This optimization approach is based on the response surface method (RSM), design of experiments (DOE) and sequential quadratic programming (SQP). The finite element model is performed with an elasto-plastic behaviour for simulating the process. A configuration with an imposed displacement applied to the blank holder is adopted in this study. The comparison between the results of the numerical model and the experiments showed a good agreement.
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Mosbah, H., Attyaoui, S. & Nasri, R. Optimization of the countersinking parameters based on the response surface method. Int J Adv Manuf Technol 117, 501–510 (2021). https://doi.org/10.1007/s00170-021-07645-8
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DOI: https://doi.org/10.1007/s00170-021-07645-8