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Proceedings Paper

Development of a laser-based hybrid drill for concrete and rocks
Author(s): Shigeki Muto; Heizaburo Kato; Kazuya Masuda; Kazuyoku Tei; Tomoo Fujioka
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Paper Abstract

A drill for concrete and rocks is being developed using a laser-based hybrid technique. The design locates the outlet hole of laser beam and drill blades on a common rotational axis. The laser beam weakens the concrete, and the blade breaks the weakened layer. The target performance is a drilling speed of 30 mm/min at a sound level less than 70 dB using 1-2 kW laser power to produce a φ20 mm × 300 mm hole.

Paper Details

Date Published: 16 November 2010
PDF: 8 pages
Proc. SPIE 7751, XVIII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, 775125 (16 November 2010); doi: 10.1117/12.880948
Show Author Affiliations
Shigeki Muto, Sankyo Seisakusho Co. (Japan)
Heizaburo Kato, Sankyo Seisakusho Co. (Japan)
Kazuya Masuda, Sankyo Seisakusho Co. (Japan)
Kazuyoku Tei, Tokai Univ. (Japan)
Tomoo Fujioka, Institute for Applied Optics (Japan)


Published in SPIE Proceedings Vol. 7751:
XVIII International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Tanja Dreischuh; Petar A. Atanasov; Nikola V. Sabotinov, Editor(s)

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