224 GFRPプリント基板の小径ドリル加工に関する研究 : ドリル摩耗が加工穴品質に及ぼす影響について(OS-2 機械加工(2))

概要

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It has been required that the packaging density of PWB be improved because high packaging density technology has allowed downsizing. Therefore, high-quality micro-machinings (small diameter drilling) are necessary for PWB. Especially, it is necessary that a great number of through-holes have to be drilled with high reliability to make a circuit. So it is required to improve the quality of the drilled hole. However, it can not be avoided that the quality of the drilled hole is varied due to the tool wear in a great number of drilling. In this paper, to pursue relationship between tool wear and the drilled hole quality, wear mode and drilled hole quality from the initial stage were evaluated.
社団法人日本機械学会の論文
2000-03-16