Cutting Temperature and Cutting Forces Investigation Based on the Taguchi Design Method when High-Speed Milling of Titanium Matrix Composites with PCD Tool

Abstract:

High-speed milling tests were performed on vol. (5%-8%) TiC_p/TC4 composite in the speed range of 50-250 m/min using PCD tools to nvestigate the cutting temperature and the cutting forces. The results showed that radial depth of cut and cutting speed were the two significant influences that affected the cutting forces based on the Taguchi prediction. Increasing radial depth of cut and feed rate will increase the cutting force while increasing cutting speed will decrease the cutting force. Cutting force increased less than 5% when the reinforcement volume fraction in the composites increased from 0% to 8%. Radial depth of cut was the only significant influence factor on the cutting temperature. Cutting temperature increased with the increasing radial depth of cut, feed rate or cutting speed. The cutting temperature for the titanium composites was 40-90 °C higher than that for the TC4 matrix. However, the cutting temperature decreased by 4% when the reinforcement's volume fraction increased from 5% to 8%.

• Periodical: Materials Science Forum (Volumes 836-837)
• Pages: 168-174
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.836-837.168
• Online since: January 2016
• Authors: Ying Fei Ge*, Hai Xiang Huan, Jiu Hua Xu
• Keywords: Cutting Force, Cutting Temperature, High Speed Milling, PCD Tool, Taguchi Design Method, Titanium Matrix Composite

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