首页|Experimental Study on Chip Shape and Tool Wear of High-speed and Micro-feed Cutting
Experimental Study on Chip Shape and Tool Wear of High-speed and Micro-feed Cutting
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NETL
NSTL
Trans Tech Publications Ltd
With increasing spindle speed the cutting will be easy to enter into micro-feed cutting region. In the paper, the chip thickness and shape of high-speed and micro-feed cutting was researched in orthogonal milling. The cutting times in different fz was analyzed. We calculate the effective rake angle, friction angle and shear angle Furthermore, we measure cutting edge arc wear and tool flank wear of micro-feed cutting. Shown as the research results, the phenomenon of empty cutting and pure extrusion is very obvious as the feed rate per tooth is lower than 0.011mm/z. As the feed rate per tooth is lower than 0.005mm/z, the tool wear form is mainly cutting edge arc wear. As fz achieves 0.015mm/z, tool wear will decrease obviously and the tool appears the self-sharpening phenomenon.
NETL
NSTL
Trans Tech Publications Ltd
