Abstract
Numerical controlled (NC) milling is widely used in the manufacturing industry because of its high productivity and workpiece surface quality. Work to establish a methodology to evaluate the rough machining time, during high speed milling, is reported. In face machining, 2˙5-dimensional milling approach has been considered. The objective is to predict optimal values of cutting speed to minimise both time and cost of die production. Optimum and economical values of cutting speed give respectively minimum production time and minimum production cost. An experimental study has been carried out to validate models for production time and cost in high speed milling. The cutting parameters analysed are cutting speed and feed per tooth.
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