102 マイクロボールエンドミルによるガラスの高能率切削(OS12 最新切削加工)

概要

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A very small depth of cut has achieved the crack-free removal of brittle materials, known as ductile mode machining. Because a ball end mill has complex shape of cutting edge, cutting situations vary widely according to the change of tool-workpiece interference region. It hasn't been, clarified how the change of cutting situations of a ball end mill affects brittle-ductile transition. This report investigates inclination and tilt of a micro ball end mill affects to the brittle-ductile transition in machining of the borosilicate glass. As a result, it is found that inclination and tilt of a micro ball end mill have a significant effect on the brittle-ductile transition. Deep depth of cut with good finished surface by ductile mode cutting is obtained using a ball end mill vertically to the workpiece surface at a tool feed rate 0.078mm/s.
一般社団法人日本機械学会の論文
2004-11-19