JP2014508044A - 所望の溶接継ぎ目線に関する実際の溶接継ぎ目線の横ずれを監視する方法、構造体及び自動車用シート - Google Patents
所望の溶接継ぎ目線に関する実際の溶接継ぎ目線の横ずれを監視する方法、構造体及び自動車用シート Download PDFInfo
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
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- B23K31/12—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to investigating the properties, e.g. the weldability, of materials
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- B23K33/00—Specially-profiled edge portions of workpieces for making soldering or welding connections; Filling the seams formed thereby
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- B23K2101/00—Articles made by soldering, welding or cutting
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Abstract
【選択図】 図1
Description
a)目標溶接継ぎ目線の領域に幾何学的変形部を備えた少なくとも一つの第一の部品を提供する工程;
b)溶融池の形成のもとに、溶接継ぎ目を製造するために、第一の部品に沿ってレーザー光線をガイドする工程であって、その際、実際の溶接継ぎ目線が生じる工程;
c)工程b)と同時に、溶融池からの反射光を検出する工程、
を有する方法が提供される。
本発明は、以下に、図面の各図に示された実施例に基づいて、より詳細に説明される。
102 第二の部品
104 幾何学的変形部
114 幾何学的変形部
116 角部
118 角部
120 レーザー装置
122 ロボット
124 レーザー光線
126 溶接継ぎ目
128 実際の溶接継ぎ目線
138 目標溶接継ぎ目線
140 横ずれ
142 溶接継ぎ目
144 反射光
146 フォトダイオード
148 評価装置
200 突き合わせ部
300 凹陥部
302 上面
304 下面
306 段部
400 電圧信号
402 電圧信号
b 幅
l 長さ
t 深さ
D 厚さ
V1 しきい値
X1 しきい値
X2 しきい値
Claims (15)
- 特に自動車の分野における、目標溶接継ぎ目線(138)に関する実際の溶接継ぎ目線(128)の横ずれ(140)を監視する方法であって、以下の工程を有する方法:
a)前記目標溶接継ぎ目線(138)の領域に幾何学的変形部(104,114)を備えた少なくとも一つの第一の部品(100)を提供する工程;
b)溶融池(142)の形成のもとに、溶接継ぎ目(126)を製造するために、前記第一の部品(100)に沿ってレーザー光線(124)をガイドする工程であって、その際、前記実際の溶接継ぎ目線(128)が生じる工程;
c)工程b)と同時に、前記溶融池(142)からの反射光(144)を検出する工程。 - 前記幾何学的変形部(104,114)が、前記第一の部品(100)の角部(116)の領域に提供されることを特徴とする、請求項1に記載の方法。
- 前記幾何学的変形部(104,114)が、機械加工により、特に切削加工により、さらに好ましくはフライス加工,押し抜き,旋削,研削,のこ引き及び/または切断により、製造されることを特徴とする、請求項1又は2に記載の方法。
- 前記幾何学的変形部(104,114)が、前記目標溶接継ぎ目線(138)に沿った1または1を超える数の溝部(300)の形態で構成されることを特徴とする、請求項1〜3の何れか1項記載の方法。
- 前記角部(116)が前記溝部(300)を有しており、前記溝部(300)が、その厚さ方向において第一の部品(100)を貫通していて、前記角部(116)の厚さ(D)が好ましくは4mmより小さいか4mmに等しく、前記溝部(300)の深さ(t)が少なくとも0.3mmであり、及び/または前記溝部(300)の長さ(l)が2〜10mmであることを特徴とする、請求項4に記載の方法。
- 前記角部(116)が前記溝部(300)を有していて、これと共に段状領域(306)を構成しており、前記角部(116)の厚さ(D)が好ましくは4mmより大きく、及び/または前記溝部(300)の深さ(t)が少なくとも0.3mmであり、前記溝部(300)の幅(b)が少なくとも3mmであり、及び/または前記溝部(300)の長さ(l)が2〜10mmであることを特徴とする、請求項4に記載の方法。
- 前記第一の部品(100)が、前記製造された溶接継ぎ目(126)によって、第二の部品(102)と連結され、前記幾何学的変形部(104)が前記第一及び第二の部品(100,102)との間の突き合わせ部(200)の領域に提供されることを特徴とする、請求項1〜6の何れか1項記載の方法。
- 前記溶接継ぎ目(126)が、フランジ継ぎ目,T型継ぎ目,隅肉継ぎ目またはI型継ぎ目の形態で製造されることを特徴とする、請求項1〜7の何れか1項記載の方法。
- a)隅肉継ぎ目の場合に、0.5〜0.8mmの深さ(t)と2〜10mmの長さ(l)を有する溝部(300)、
b)フランジ継ぎ目の場合に、0.5〜1mmの深さ(t)と2〜10mmの長さ(l)を有する溝部(300)、または
c)I型またはT型継ぎ目の場合に、0.3〜0.6mmの深さ(t)と2〜10mmの長さ(l)を有する溝部(300)が形成され、
前記溶融池(142)の領域における前記レーザー光線(124)の直径が0.2〜0.6mmであることを特徴とする、請求項8に記載の方法。 - 反射光(144)が前記レーザー光線(124)の光路内で検出手段(146)、特にフォトダイオードにより検出され、前記反射光(144)が好ましくは400〜700nmの波長を有することを特徴とする、請求項1〜9の何れか1項記載の方法。
- 前記レーザー溶接法で製造された溶接継ぎ目(126)により連結される少なくとも一つの第一及び第二の部品(100,102)を備え、前記溶接継ぎ目(126)が、その線に沿って少なくとも一つの陥没部を有し、前記陥没部が前記第一及び/または第二の部品(100,102)における目標溶接継ぎ目線(138)に関する実際の溶接継ぎ目線(128)の横ずれ(140)を監視するために、溶接された幾何学的変形部(104,114)に関連づけられる、特に自動車分野における構造体。
- 前記陥没部が複数個配置され、該複数個の陥没部は、前記第一の部品及び/または第二の部品(100,102)において重ねて溶接された幾何学的変形部(104,114)に関連づけられることを特徴とする、請求項11に記載の構造体。
- 少なくとも三つの前記陥没部が配置され、それらが互いに同じ間隔であることを特徴とする、請求項11又は12による構造体。
- 1または1を超える数の前記陥没部が、溶接継ぎ目(126)の方向変化の範囲に配置されることを特徴とする、請求項11〜13の何れか1項記載の構造体。
- 請求項11〜14の何れか1項記載の構造体を備えた自動車用シート。
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DE102011005004.3 | 2011-03-03 | ||
DE102011005004A DE102011005004A1 (de) | 2011-03-03 | 2011-03-03 | Verfahren zur Überwachung eines Lateralversatzes eines Ist-Schweißnahtverlaufs bezüglich eines Soll-Schweißnahtverlaufs, Baugruppe sowie Kraftfahrzeugssitz |
PCT/EP2012/000795 WO2012116795A1 (de) | 2011-03-03 | 2012-02-24 | Verfahren zur überwachung eines lateralversatzes eines ist-schweissnahtverlaufs bezüglich eines soll-schweissnahtverlaufs, baugruppe sowie kraftfahrzeugsitz |
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JP (1) | JP5729669B2 (ja) |
KR (2) | KR20150090923A (ja) |
CN (1) | CN103476533B (ja) |
DE (2) | DE102011005004A1 (ja) |
WO (1) | WO2012116795A1 (ja) |
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JP5929948B2 (ja) * | 2014-02-28 | 2016-06-08 | トヨタ自動車株式会社 | 溶接部の検査方法 |
DE102015113141A1 (de) * | 2014-12-15 | 2016-06-16 | Mauser-Werke Oberndorf Maschinenbau Gmbh | Verfahren zur Bearbeitung einer Werkstückoberfläche und Werkstück |
TWI541498B (zh) * | 2014-12-31 | 2016-07-11 | 新代科技股份有限公司 | 管件焊道偵測系統及方法 |
DE102016102492B4 (de) * | 2016-02-12 | 2021-10-07 | Precitec Gmbh & Co. Kg | Verfahren und Vorrichtung zum Überwachen einer Fügenaht sowie Laserbearbeitungskopf |
DE102016124384B4 (de) * | 2016-12-14 | 2020-10-08 | Baosteel Lasertechnik Gmbh | Verfahren und Vorrichtung zum Fügen von Werkstücken |
DE102018114867A1 (de) | 2018-06-20 | 2019-12-24 | B. Strautmann & Söhne GmbH u. Co. KG | Verfahren zum Verbinden von Bauteilen |
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2011
- 2011-03-03 DE DE102011005004A patent/DE102011005004A1/de not_active Withdrawn
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- 2012-02-24 JP JP2013555783A patent/JP5729669B2/ja not_active Expired - Fee Related
- 2012-02-24 KR KR1020157019372A patent/KR20150090923A/ko not_active Application Discontinuation
- 2012-02-24 KR KR1020137025873A patent/KR101564494B1/ko active IP Right Grant
- 2012-02-24 WO PCT/EP2012/000795 patent/WO2012116795A1/de active Application Filing
- 2012-02-24 DE DE112012001076T patent/DE112012001076A5/de not_active Withdrawn
- 2012-02-24 US US14/002,863 patent/US9649726B2/en not_active Expired - Fee Related
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS61148470U (ja) * | 1985-02-28 | 1986-09-12 | ||
JPS6487090A (en) * | 1987-09-30 | 1989-03-31 | Toyo Seikan Kaisha Ltd | Butt welding method by laser beam |
JP2001246486A (ja) * | 2000-03-02 | 2001-09-11 | Kobe Steel Ltd | 継手の溶接方法 |
Also Published As
Publication number | Publication date |
---|---|
US9649726B2 (en) | 2017-05-16 |
JP5729669B2 (ja) | 2015-06-03 |
CN103476533B (zh) | 2015-10-21 |
KR20150090923A (ko) | 2015-08-06 |
CN103476533A (zh) | 2013-12-25 |
KR101564494B1 (ko) | 2015-10-29 |
WO2012116795A1 (de) | 2012-09-07 |
KR20130130852A (ko) | 2013-12-02 |
US20140248077A1 (en) | 2014-09-04 |
DE112012001076A5 (de) | 2013-12-12 |
DE102011005004A1 (de) | 2012-09-06 |
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