JP5129475B2 - 飛行時間監視を用いるレーザショックピーニングシステム - Google Patents
飛行時間監視を用いるレーザショックピーニングシステム Download PDFInfo
- Publication number
- JP5129475B2 JP5129475B2 JP2006324328A JP2006324328A JP5129475B2 JP 5129475 B2 JP5129475 B2 JP 5129475B2 JP 2006324328 A JP2006324328 A JP 2006324328A JP 2006324328 A JP2006324328 A JP 2006324328A JP 5129475 B2 JP5129475 B2 JP 5129475B2
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- JP
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- Prior art keywords
- laser
- sensor
- time
- workpiece
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D10/00—Modifying the physical properties by methods other than heat treatment or deformation
- C21D10/005—Modifying the physical properties by methods other than heat treatment or deformation by laser shock processing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/286—Particular treatment of blades, e.g. to increase durability or resistance against corrosion or erosion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/12—Analysing solids by measuring frequency or resonance of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
- G01N2291/0234—Metals, e.g. steel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Thermal Sciences (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Optics & Photonics (AREA)
- Acoustics & Sound (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Laser Beam Processing (AREA)
Description
12 レーザ源
14 センサ
16 コントローラ
18 信号処理装置
20 ワークピース
22 閉込め層
23 閉込め層流
24 吸収層
26 ノズル
28 レーザビーム
30 レーザ固定具
32 ワークピース固定具
34 矢印で示す残存エネルギーの一部分
36 矢印で示す第1の入力
38 プロセッサ
40 矢印で示す第2の入力
41 初期化
42 ワークピース及びレーザ源を整列させる
44 レーザパルスを生成する
46 プロセッサがショック事象データを収集する
48 確定した飛行時間
50 そこで比較を行う
51 レーザビームのエネルギーを増大させる
52 容認不能な飛行時間
54 任意選択的なカウンタ
56 任意選択的な警報
58 容認不能な飛行時間事象の最大数
60 容認不能な飛行時間事象58の数
62 部品を廃棄する
64 その後の不合格な処理を回避する
66 部品を廃棄し、完全なものとして分類する
68 最大カウント58
70 システム調整
72 導出した飛行時間が容認可能である50
74 部品の完全さのチェック
76 部品の処理が完了する
78 所望のピーン事象の数
Claims (10)
- ショック事象に起因する音波および衝撃波のうちの少なくとも1つを検出するようにワークピース(20)に向って配向されたセンサ(14)と、
レーザ源(12)及び前記センサ(14)に接続されたコントローラ(16)と、
を含み、前記コントローラ(16)が、
(A)前記レーザ源(12)からの第1の信号(40)と前記センサ(14)からの第2の信号(36)とを受信し、
(B)前記第1の信号(40)及び第2の信号(36)から飛行時間値(48)を確定し、
(C)前記飛行時間値からピーン品質(72)を判定する、ように構成される、
レーザショックピーニングシステム(10)。 - 前記センサ(14)と前記コントローラ(16)との間に配置され、前記センサ(14)から受信した信号を処理するように構成された増幅器(18)をさらに含む、請求項1記載のレーザショックピーニングシステム(10)。
- 前記センサ(14)と前記コントローラ(16)との間に配置され、前記センサ(14)から受信した信号を処理するように構成されたフィルタをさらに含む、請求項1記載のレーザショックピーニングシステム(10)。
- 前記ピーン品質が、該システム(10)のリアルタイムな作動中に判定される、請求項1記載のレーザショックピーニングシステム(10)。
- 前記ピーン品質を多数のピーンの平均的ピーンと多数の部品のうちの部品とに関係付けるように構成された電子データベースをさらに含む、請求項1記載のレーザショックピーニングシステム(10)。
- 前記コントローラ(16)が、前記判定したピーン品質が閾値を越えた時に警報(56)を発するように構成される、請求項1記載のレーザショックピーニングシステム(10)。
- 前記コントローラ(16)が、前記警報(56)が発せられた時に、レーザビーム(28)の後続放射のための前記レーザ源(12)の作動を一時中断するように構成される、請求項6記載のレーザショックピーニングシステム(10)。
- 前記コントローラ(16)が、位置決めシステム(30、32)の作動を制御するように構成され、前記位置決めシステム(30、32)が、レーザビーム(28)が所望の位置にかつ所望の傾斜角で前記ワークピース(20)に衝突するように前記レーザ源(12)及びワークピース(20)を配向するように構成される、請求項1記載のレーザショックピーニングシステム(10)。
- 前記センサ(14)が、前記ワークピース(20)から少なくとも30mmの位置に配置される、請求項1記載のレーザショックピーニングシステム(10)。
- 容認不能なピーン事象の数を監視するように構成されたカウンタ(54)をさらに含む、請求項1記載のレーザショックピーニングシステム(10)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/164,650 US7906746B2 (en) | 2005-11-30 | 2005-11-30 | Laser shock peening system with time-of-flight monitoring |
US11/164,650 | 2005-11-30 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007152434A JP2007152434A (ja) | 2007-06-21 |
JP5129475B2 true JP5129475B2 (ja) | 2013-01-30 |
Family
ID=37951913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006324328A Expired - Fee Related JP5129475B2 (ja) | 2005-11-30 | 2006-11-30 | 飛行時間監視を用いるレーザショックピーニングシステム |
Country Status (6)
Country | Link |
---|---|
US (1) | US7906746B2 (ja) |
EP (1) | EP1795620B1 (ja) |
JP (1) | JP5129475B2 (ja) |
CN (1) | CN1974798B (ja) |
CA (1) | CA2569934A1 (ja) |
DE (1) | DE602006015024D1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7816622B2 (en) * | 2007-09-28 | 2010-10-19 | General Electric Company | System and method for controlling laser shock peening |
CN101962710B (zh) * | 2010-09-10 | 2012-08-15 | 江苏大学 | 一种用于硬脆材料激光喷丸强化的装置及方法 |
US9383276B2 (en) | 2010-10-26 | 2016-07-05 | Sintokogio, Ltd. | Evaluation method and evaluation system for impact force of laser irradiation during laser peening and laser peening method and laser peening system |
US10363632B2 (en) * | 2015-06-24 | 2019-07-30 | Illinois Tool Works Inc. | Time of flight camera for welding machine vision |
JP6767205B2 (ja) * | 2015-09-30 | 2020-10-14 | 株式会社東芝 | レーザ加工装置、レーザ加工方法および距離測定方法 |
EP3150323B1 (en) * | 2015-09-30 | 2020-11-18 | Kabushiki Kaisha Toshiba | Laser processing apparatus, laser processing method and distance measurement method |
CN105316473B (zh) * | 2015-12-04 | 2018-08-28 | 杨昭 | 一种基于工件振动频率的激光冲击处理在线检测纠正系统 |
JP7118051B2 (ja) * | 2016-09-23 | 2022-08-15 | タタ、スティール、ネダーランド、テクノロジー、ベスローテン、フェンノートシャップ | 移動する鋼ストリップの液体利用レーザーテクスチャリング方法及び装置 |
US11440139B2 (en) | 2018-05-03 | 2022-09-13 | Raytheon Technologies Corporation | Liquid enhanced laser stripping |
CN111906438B (zh) * | 2020-06-19 | 2022-04-15 | 宁波大艾激光科技有限公司 | 一种随动式激光冲击强化处理装置及其方法 |
CN112337703B (zh) * | 2020-10-16 | 2022-08-05 | 中国航发北京航空材料研究院 | 一种激光冲击强化约束水装置及其实施方法 |
CN112894113A (zh) * | 2021-01-29 | 2021-06-04 | 山东省科学院新材料研究所 | 一种铝-镁异质合金焊后处理工艺及其应用 |
JP2024140367A (ja) * | 2023-03-28 | 2024-10-10 | 浜松ホトニクス株式会社 | レーザピーニング方法及びレーザピーニング装置 |
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JPS6440192A (en) * | 1987-06-23 | 1989-02-10 | Kazuo Muto | Method for controlling laser beam machining by ae sensor |
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-
2005
- 2005-11-30 US US11/164,650 patent/US7906746B2/en not_active Expired - Fee Related
-
2006
- 2006-11-30 CN CN2006101729194A patent/CN1974798B/zh not_active Expired - Fee Related
- 2006-11-30 DE DE602006015024T patent/DE602006015024D1/de active Active
- 2006-11-30 EP EP06125146A patent/EP1795620B1/en not_active Not-in-force
- 2006-11-30 CA CA002569934A patent/CA2569934A1/en not_active Abandoned
- 2006-11-30 JP JP2006324328A patent/JP5129475B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1974798A (zh) | 2007-06-06 |
EP1795620B1 (en) | 2010-06-23 |
US20070119824A1 (en) | 2007-05-31 |
CA2569934A1 (en) | 2007-05-30 |
JP2007152434A (ja) | 2007-06-21 |
CN1974798B (zh) | 2011-01-26 |
US7906746B2 (en) | 2011-03-15 |
DE602006015024D1 (de) | 2010-08-05 |
EP1795620A1 (en) | 2007-06-13 |
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