Experimental Study on Machinability of Laser- Sintered Material in Ball End Milling
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Experimental Study on Machinability of Laser- Sintered Material in Ball End Milling

Authors: Abdullah Yassin, Takashi Ueda, Syed Tarmizi Syed Shazali


This paper presents an experimental investigation on the machinability of laser-sintered material using small ball end mill focusing on wear mechanisms. Laser-sintered material was produced by irradiating a laser beam on a layer of loose fine SCM-Ni-Cu powder. Bulk carbon steel JIS S55C was selected as a reference steel. The effects of powder consolidation mechanisms and unsintered powder on the tool life and wear mechanisms were carried out. Results indicated that tool life in cutting laser-sintered material is lower than that in cutting JIS S55C. Adhesion of the work material and chipping were the main wear mechanisms of the ball end mill in cutting laser-sintered material. Cutting with the unsintered powder surrounding the tool and laser-sintered material had caused major fracture on the cutting edge.

Keywords: Laser-sintered material, tool life, wear mechanism.

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1078701

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