A new technique from EC (Evolutionary Computation), PSO (Particle Swarm Optimization), is implemented to model the end milling process and predict the resulting surface roughness. Data collected from cutting experiments is used for model calibration and validation. The inputs to the model consist of Feed, Speed and Depth of cut while the output from the model is surface roughness. The model is validated through a comparison of the experimental values with their predicted counterparts. A good agreement is found. The proved technique opens the door for a new, simple and efficient approach that could be applied to the calibration of other empirical models of machining.

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