単結晶フェライトの微細溝形成時におけるバリ生成現象

概要

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This paper presents some experimental results of single crystal ferrite in scratch tests with various shapes of diamond chisels and in grooving tests with diamond wheels. On scratch tests with diamond chisels, there is no crack on the surface of a groove but plastic flow is generated at a small scratch load less than 0.02-0.05 N. The height of plastic flow is as large as the depth of a groove. On the other hand, such small plastic flow, called as burr, as about 0.1μm high and 1 μm wide, is created on both shoulders of grooves in groove grinding of single crystal ferrite using diamond wheels. The burr height has a strong correlation with the uncut chip thickness which is determined by such factors as wheel speed, table speed, depth of cut and the amplitude of forced vibration of a wheel. For restraining the burr height, keeping the small uncut chip thickness on each cutting edge of grains are recommended.
公益社団法人精密工学会の論文
1991-05-05