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Journal Articles

Development of laser cutting technology for reactor decommissioning process

Kobayashi, Kojiro*; Ida, Toshio*; Yamaguchi, Takeshi*; Daido, Hiroyuki; Muramatsu, Toshiharu; Sano, Kazuya; Tsuboi, Akihiko*; Shamoto, Hideyasu*; Ikeda, Takeshi*

Reza Kako Gakkai-Shi, 19(1), p.63 - 67, 2012/03

Laser cutting method, is that the metal melted by laser power is removed by assist gas, has some advantages which are high speed cutting and narrow line-width cutting for the thin metal. We has conducted the joint research with the relevant organizations on the R&D of the laser cutting technology for cutting stainless and carbon steel of over the 150 mm thickness which is maximum thickness of core structure in Fugen. We report the R&D plan and the current status of the laser cutting test.

Journal Articles

Laser cutting technologies under water for the nuclear reacter dismantlement

Kobayashi, Kojiro*; Ida, Toshio*; Yamaguchi, Takeshi*; Daido, Hiroyuki; Muramatsu, Toshiharu; Sano, Kazuya; Tsuboi, Akihiko*; Shamoto, Hideyasu*; Ikeda, Takeshi*

Yosetsu Gijutsu, 59(7), p.64 - 69, 2011/07

no abstracts in English

Oral presentation

Study on applicability of laser cutting technologies for the nuclear facility, 3; The Laser cutting test for confirming the applicability to dismantling the reactor

Nakamura, Yasuyuki; Sano, Kazuya; Iwai, Hiroki; Ogawa, Takemitsu; Shamoto, Hideyasu*; Ozawa, Kenji*

no journal, , 

no abstracts in English

Oral presentation

Study on applicability of laser cutting technologies for the nuclear facility, 2; Evaluation of the assist gas flow characteristics in laser cutting processes

Ogawa, Takemitsu; Sugihara, Kenta; Nakamura, Yasuyuki; Muramatsu, Toshiharu; Shamoto, Hideyasu*

no journal, , 

no abstracts in English

Oral presentation

Study on applicability of laser cutting technologies for the nuclear facility, 1; The Plan of the R&D on laser cutting technologies for the nuclear facility

Sano, Kazuya; Morishita, Yoshitsugu; Mori, Naoto; Nakamura, Yasuyuki; Ogawa, Takemitsu; Shamoto, Hideyasu*; Ozawa, Kenji*; Minehara, Eisuke*; Ida, Toshio*

no journal, , 

no abstracts in English

Oral presentation

In-situ observation of transient hydraulic phenomena in molten pool using intense X-ray beams for standardization of laser welding

Yamada, Tomonori; Yamashita, Susumu; Shobu, Takahisa; Nishimura, Akihiko; Ogawa, Takemitsu; Sugihara, Kenta; Shamoto, Hideyasu*

no journal, , 

no abstracts in English

Patent

レーザー光を用いた溶断・破砕適応制御装置

村松 壽晴; 山田 知典; 羽成 敏秀; 武部 俊彦; 松永 幸大

酒井 英明*; 碓井 秀三*; 中田 正宏*; 坪井 昭彦*; 社本 英泰*

JP, 2014-016086  Patent licensing information  Patent publication (In Japanese)

【課題】異なる材料が混在して、無定形で不規則な外形を有する処理対象物を、その材料に対応して溶断あるいは破砕できるレーザー光を用いた溶断・破砕適応制御装置を提供する。 【解決手段】レーザー加工ヘッド6を搭載したロボット1、対象物19の状態を検出する検出部3、検出情報に基づいてロボット1を制御する制御部2を備え、検出部3は対象物19からのレーザー光8の反射光25を受光し、反射光25に基づいて対象物19の形状を認識するレーザースキャナ12、反射光25に基づいて対象物19の材質を検出する分光計1と、反射光25に基づいて対象物19の溶断の有無を検出する温度計13を有し、制御部2は検出部3からの情報に基づいて、ロボットをするロボット制御部と、レーザー光8を制御するレーザー光制御部9を有している。

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