Three-Dimensional Finite Element Analysis in Cutting Temperature for High Speed Milling of Titanium Alloys

Abstract:

A three dimensional fully thermal-mechanical coupled finite element model had been presented to simulate and analyze the cutting temperature for high speed milling of TiAl6V4 titanium alloy. The temperature distribution induced in the tool and the workpiece was predicted. The effects of the milling speed and radial depth of cut on the maximum cutting temperature in the tool was investigated. The results show that only a rising of temperature in the lamella of the machined surface is influenced by the milling heat. The maximum temperature in the tool increases with increasing radial depth of cut and milling speed which value is 310°C at a speed of 60 m/min and increases to 740°C at 400m/min. The maximum temperature is only effective on a concentrated area at the cutting edge and the location of the maximum temperature moves away from the tool tip for higher radial depths of milling. The predicted temperature distribution during the cutting process is consistent with the experimental results given in the literature. The results obtained from this study provide a fundamental understanding the process mechanics of HSM of titanium alloys.

• Periodical: Advanced Materials Research (Volumes 189-193)
• Pages: 2259-2263
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.189-193.2259
• Online since: February 2011
• Authors: You Xi Lin, Cong Ming Yan
• Keywords: Cutting Temperature, Finite Element Model (FEM), High Speed Milling (HSM), Titanium Alloy

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