超精密マイクロV形止り溝の創成

DOI Web Site 被引用文献3件 参考文献8件

書誌事項

タイトル別名
  • Creation of Ultraprecision V-shaped Micro Grooves with Flat-end
  • チョウセイミツ マイクロ Vケイ トマリ ミゾ ノ ソウセイ

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説明

The study deals with the creation of V-shaped microgrooves with flat-end. Microgrooves with flat-end play an important role in case of generating intermittent grooves. Microgrooves by use of a rotational V-shaped cutting tool have a long circular arc slope with a large radius when stopping on the way. Thus, a non-rotational V-shaped cutting tool is employed, however, a slope is still formed at the end point of the microgroove. In the study, two new cutting methods are devised so that the V-shaped microgrooves with flat-end can be created. The first method makes use of chip generation whose shape is straight under some cutting condition. The non-rotational cutting tool presses the chips generated perpendicularly against the V-shaped microgroove and cuts the excessive parts of chips over the plane. The second one is to stick the non-rotational V-shaped cutting tool perpendicular to the workpiece surface, to feed it backwards and to remove the swelled parts by feed it to the reverse direction. From experimental results, it is found that the methods enable the creation of flat-end microgrooves.

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