Research on abrasion law of coated cutters for high-speed dry milling

Youdan Guo

doi:10.1117/12.886239

24 May 2011 Research on abrasion law of coated cutters for high-speed dry milling

Youdan Guo

Proceedings Volume 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering; 79970I (2011) https://doi.org/10.1117/12.886239
Event: Fourth International Seminar on Modern Cutting and Measuring Engineering, 2010, Beijing, China

Abstract

The application of dry milling technology has completely eliminated the pollution of cutting fluid in machining. However, dry milling sets very high requirements on milling process and milling cutters, which has become the bottleneck in the popularization of dry milling technology. This research on the abrasion mechanism of TiAlN coated cutters for high-speed dry milling has indicated that, in high-speed dry milling, the abrasion of coated cutter is mainly in the form of crater. TiAlN coating has very strong oxidation resistance and adhesion resistance, so that the cutters have good abrasion resistance and crater abrasion resistance. In high-speed dry milling, a very thin layer of amorphous Al₂O₃ will be formed on the surface of TiAlN coating, forming hard inert protection film that acts as a good heat barrier. TiAlN coating has a low friction coefficient, which can effectively reduce the cutting force and cutting temperature, thus greatly prolonging the life of cutter. As an emerging coated cutter, TiAlN coated cutters exhibit incomparable excellent performance in high-speed dry milling. The research shows that factors such as coating thickness, milling speed, chip thickness and cutter conditions have important impact on the abrasion of TiAlN coated cutters.

Citation Download Citation

Youdan Guo "Research on abrasion law of coated cutters for high-speed dry milling", Proc. SPIE 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering, 79970I (24 May 2011); https://doi.org/10.1117/12.886239

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