Study on Tool Life by Breakage in Micro Endmilling

Osamu Horiuchi; Bo Xiao Ma; Mitsuyoshi Nomura; Takayuki Shibata; Yoshihiko Murakami; Masami Masuda

doi:10.4028/www.scientific.net/AMR.126-128.214

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 126-128Study on Tool Life by Breakage in Micro Endmilling

Study on Tool Life by Breakage in Micro Endmilling

Abstract:

To obtain some knowledge to predict the tool life caused by breakage, a series of slotting experiments was performed at various feed rates for high carbon steel by using coated carbide square end mills of 0.5mm in diameter. The main results obtained are as follows, (1) There found a possibility to obtain an optimum feed rate for the maximum slotting distance. (2) Lower feed rate caused chatter but higher feed rate rarely caused chatter. (3) A newly defined cumulative damage seems to be useful in some extent to predict tool life by monitoring cutting force.