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UBC Theses and Dissertations

Optimization of machining parameters in milling Singh, Kulbir

Abstract

The cost of machining for milling is dependent on machining parameters such as spindle speed and feed per tooth. The competitiveness of manufacturing industries can be increased by optimization of machining parameters. A scientific method for the optimization of machining parameters for workpieces of continously varying radial widths is proposed in this thesis. The necessary mathematics for the proposed procedure is derived for both single pass and multi-pass milling operations. The computational results obtained on the basis of derived mathematical formulation are analysed and discussed. The cutting direction has a considerable influence on the cost of machining. Therefore, an algorithm to determine the influence of cutting direction on machining cost is also suggested. The best cutting directions for a number of workpieces of known geometry are ascertained on the basis of computational results.

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