Proceedings of the 2010 International Conference on Mechanical, Industrial, and Manufacturing Technologies (MIMT 2010)
84 Cutting Performance and Wear Mechanism of Cutting Tool in Milling of High Strength Steel 34CrNiMo6
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34CrNiMo6 is a newly developed engineering material for high load carrying component with its high strength, hardness and toughness. Face milling experiments were carried out with cemented carbide and coating inserts respectively for this difficult-to-cut material, the relationship between cutting tool life and cutting speed was established, and the suitable cutting tool material and corner radius were determined. Furthermore, the wear characteristic and mechanism of experimental inserts were investigated with the application of scanning electronic microscope(SEM) and energy spectrum analysis. The analysis results show that severe thermal wear such as oxygenation and diffusion wear are the main reason for the...