WO2012001918A1 - 溶接狙い位置計測装置 - Google Patents
溶接狙い位置計測装置 Download PDFInfo
- Publication number
- WO2012001918A1 WO2012001918A1 PCT/JP2011/003583 JP2011003583W WO2012001918A1 WO 2012001918 A1 WO2012001918 A1 WO 2012001918A1 JP 2011003583 W JP2011003583 W JP 2011003583W WO 2012001918 A1 WO2012001918 A1 WO 2012001918A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- welding
- groove
- groove shape
- shape
- shape data
- Prior art date
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/12—Automatic feeding or moving of electrodes or work for spot or seam welding or cutting
- B23K9/127—Means for tracking lines during arc welding or cutting
- B23K9/1272—Geometry oriented, e.g. beam optical trading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
Definitions
- the present invention relates to a welding target position measuring apparatus applied when welding, for example, a shroud of a boiling water reactor, a runner of a water turbine, or piping in a furnace.
- the welding target position which is one of the welding conditions, can be set from the groove shape information, etc., but the weld bead shape is not necessarily the predicted bead shape, so before welding the next pass It is necessary to measure the welding target position from the shape of the weld bead.
- the prior art is a method for controlling the welding speed of an automatic welder with the welding amount as one of the welding conditions by obtaining the difference between the cross-sectional area of the current and past shape data of the weld bead by the measurement method using laser.
- a method of detecting a change point such as a groove surface or a weld bead and controlling a target position.
- a method using an image there is a method corresponding to a narrow groove whose center is the groove width by detecting the groove surface and the end of the weld bead bottom by image processing.
- the technique described in Patent Document 1 performs image processing using a groove shape image obtained at the same position before the first pass and an image of the groove shape before or immediately after the second pass. Then, the contact point of the part that is separated from the overlapped part of these two images is obtained, and the target position and welding conditions are obtained based on the position. Furthermore, the technique described in Patent Document 2 is a construction method in which groove sensing is performed before the final pass construction of each layer.
- the welding target position includes not only a general V-shaped groove, but also a welding object having a wide groove width and a groove formed in a complicated shape that changes three-dimensionally.
- the welding target position is a welding method using one-layer multi-pass.
- the welding target position in the groove differs depending on the position of the welding path, and the characteristics to be measured on the weld bead are different.
- the welding target position can be set from the groove shape information, etc., but the weld bead shape is not necessarily formed in the predicted bead shape as described above. It is difficult to accurately select the welding target position by measuring from the shape.
- the present invention has been made in consideration of the above circumstances, and an object thereof is to provide a welding target position measuring apparatus capable of acquiring more accurate welding target position information.
- a welding target position measuring apparatus includes a groove shape measuring means for measuring a groove shape, and a groove shape recording means for recording shape data as a groove shape measurement result.
- a welding information recording means for recording welding information including at least a welding position and a welding pass number; a groove shape alignment means for adjusting the current shape data to past shape data; and the current shape data.
- the groove shape difference amount calculating means for calculating the difference amount between the current and past shape data, and the groove shape change amount calculating means.
- a groove wall surface welded part detecting means for detecting a groove wall surface welded part, a weld bead end detecting means for detecting a weld bead end based on a calculation result of the groove shape difference amount calculating means, and the welding information recording means Welding position selection that acquires the welding pass number of the next pass in the welding information and selects the welding target position of the next pass that differs depending on each welding position based on the detection results of the groove wall welded portion and the weld bead end. And means.
- the present invention by acquiring more accurate welding target position information, it is possible to stabilize the welding quality and increase the efficiency of automatic welding.
- FIG. 1 is a block diagram showing an embodiment of a welding aim position measuring apparatus according to the present invention.
- the welding target position measurement apparatus projects an imaging apparatus 12 installed at a position where the groove shape of the welding object 10 can be measured and a light projection apparatus that projects linear light.
- a groove shape measuring unit 11 composed of 13, a groove shape recording unit 14 for recording shape data measured by the groove shape measuring unit 11, a welding position, a welding pass number, a wire speed to be welded, and the like.
- a welding information recording unit 15 for recording the welding information
- a welding target position measurement processing unit 16 for acquiring current and past shape data and detecting a measurement point as a welding target position from the shape data
- a welding information recording unit A welding target position selection unit 17 that selects a welding target position of the next pass based on the welding information of 15.
- the groove shape measuring unit 11 measures the groove shape of the welding object 10. That is, the groove shape measuring unit 11 detects the linear light projected by the light projection device 13 by the imaging device 12 and measures the distance between the horizontal direction and the depth direction. The shape data measured by the groove measuring unit 11 is recorded in a groove shape recording unit 14 that manages welding information such as a welding position and a welding pass number of the welding information recording unit 15 together with the shape data.
- the present and past shape data is transmitted to the welding target position measurement processing unit 16, and the measurement point that becomes the welding target position is detected from the shape data by each measurement processing of the welding target position measurement processing unit 16, and the welding target position selection unit In 17, by acquiring the measurement point as welding information such as a welding pass number of the welding information recording unit 15, the welding target position of the next pass can be selected. Thereby, it becomes possible to measure and select the welding target position of the next pass which is different depending on each welding position from the shape data.
- FIG. 2 is an explanatory view showing a distance measuring method of the groove shape measuring unit in one embodiment.
- the distance D between the imaging device 12 and the light projection device 13 is known, and the measurement is performed from the point C when the position of the imaging device 12 is the point C and the position of the light projection device 13 is the point L.
- the distance H to the point P is the measurement result of the groove shape of the welding object 10.
- this shape data is centrally managed and recorded in the welding position and welding pass number recorded in the welding information recording unit 15 and the groove shape recording unit 14.
- the shape data of the groove of the welding object 10 can be measured as a result of the single groove shape measuring unit 11 by distance measurement. .
- FIG. 3 is a block diagram showing the internal structure of the welding target position measurement processing unit in one embodiment.
- the welding target position measurement processing unit 16 of the present embodiment includes a groove shape alignment unit 21 that adjusts the positions of current and past shape data, and a shape change amount based on the current shape data.
- the groove shape change amount calculating unit 22 for calculating the difference amount of the current shape data and calculating the new weld bead portion, and the groove shape change amount calculating unit 22.
- a groove surface edge detection unit 24 that detects the groove surface edge based on the calculation result, and a groove wall surface welded part that detects the groove wall weld based on the calculation result of the groove shape change amount calculation unit 22.
- the welding bead apex is detected. It comprises a bead apex detecting part 27, a.
- FIG. 4 is a flowchart showing a welding target position measurement process in one embodiment.
- the welding target position measurement process shown in FIG. 4 is executed by each measurement processing means in the welding target position measurement processing unit 16 of FIG.
- FIG. 5 is an explanatory view showing a weld bead and measurement points of a groove cross section in one embodiment.
- a groove alignment process for performing alignment in step S21 is executed. Further, points A to G on the groove shape 30 in FIG. 5 are measurement target points in the welding target position measuring apparatus, and welding pass 1 to welding pass 5 indicate the welding order of the welding passes.
- the path 5 will be described as an example. Further, in FIG. 5, the solid line indicates the current shape data, the broken line indicates the past shape data, and the alternate long and short dash line indicates the groove shape.
- the groove shape measurement is performed in order to compare the current shape data measured by the groove shape measuring unit 11 with the past shape data recorded in the groove shape recording unit 14.
- the deviation of the welding position of the welding object 10 by the part 11 is adjusted.
- a difference sum between both the current shape data and past shape data is obtained, and a position where the difference sum is minimum is calculated to adjust the positional deviation between the two.
- the groove shape change amount calculation processing in step S22 minimizes the slopes of the two straight lines in the two sections before and after the measurement point based on the number of calculation measurement points that can be set before and after the measurement point for each measurement point of the current shape data. Calculate by the square method. The angle formed by the two straight lines of the measurement points is calculated from the calculated inclinations of the two straight lines, and the amount of change in the groove shape is calculated. If the amount of change is 0 °, it is a measurement point that does not change, and if it is 90 °, it indicates a measurement point that changes sharply.
- the groove shape change amount calculation processing in step S22 is performed for all measurement points. Thereby, it is possible to provide an index for detecting a point where the shape data changes, and it is possible to detect a measurement point that is a welding target position.
- the difference amount of each measurement point in the current and past shape data aligned by the groove shape alignment processing in step S21 is calculated, that is, a new weld bead portion is calculated. To do.
- the groove surface edge detection process in step S24 detects points A and B which are the groove surface edges shown in FIG. Using the change amount of the current shape data obtained by the groove shape change amount calculation process in step S22, a measurement point having a maximum angle equal to or larger than the set threshold value is detected. First, the point A detects the measurement point having the maximum angle from the left side of FIG. 5 with the central position of the shape data as a boundary. Next, the measurement point having the maximum angle is also detected from the right side of FIG. 5 for point B. If there is no measurement point whose shape changes like point A as shown in FIG. The end is set as point B as the groove surface end. Thus, by detecting the groove surface end, it is possible to reduce the limitation of the range where the welding target position of the shape data exists and the processing.
- the groove wall surface welded portion detection process in step S25 the groove wall surface welded portion shown in FIG.
- a measurement point having a maximum angle equal to or larger than the set threshold value is detected.
- the shape data to be processed is set for the section sandwiched between the points A and B detected in the groove surface edge detection process in step S24, and the angles greater than the set threshold in this section are arranged in descending order of the angle. Change.
- the shape data is rearranged in the horizontal direction in FIG. 5, point C is the leftmost measurement point in FIG. 5, and point D is the rightmost measurement point in FIG. Set. Thereby, a groove wall surface weld part can be detected and the measurement point used as the selection object of the welding aim position can be detected.
- the weld bead end detection process in step S26 detects the points E and F that become the weld bead end shown in FIG.
- the weld bead end portion uses the difference amount between the current shape data and the past shape data obtained by the groove shape difference amount calculation process in step S23 to detect a measurement point indicating a difference amount equal to or larger than the set threshold value.
- the shape data of the section sandwiched between the points C and D detected in the groove wall weld detection processing in step S25 is set as a processing target.
- the section between the points E and F detected in the weld bead end detection process in step S26 is a newly welded part. Thereby, a welding bead edge part is detected and the measurement point used as the selection object of the welding aim position can be detected.
- the weld bead apex detection process in step S27 is a process for detecting the point G that is the apex of the weld bead, and is set using the change amount of the current shape data obtained by the groove shape change amount calculation process in step S22.
- the measurement point having the maximum angle equal to or greater than the threshold value is detected.
- the detected point G becomes a measurement point that becomes the end of the weld bead of the next pass depending on the position of the weld pass. Thereby, the welding bead apex can be detected, and the measurement point to be selected for the welding target position can be detected.
- step S28 the welding target position selection process in step S28 will be described.
- FIG. 6 is an explanatory diagram showing a welding target position in one embodiment.
- the welding information of the current shape data and the welding pass number are acquired from the welding information recording unit 15.
- the welding position in the next pass number of the current welding pass number is classified according to each welding position.
- the welding target position is point X, and is selected as the groove wall surface welded portion at point D and the weld bead end portion at point F in FIG.
- the welding target position Y point is selected as the weld bead end portion at point F in FIG.
- the welding target position Z0 point in the right diagram of FIG. 6 is a weld at the groove wall welded portion of point C in FIG. 5 corresponding to point Z1 in FIG. 6 and point E in FIG. 5 corresponding to point Z2 in FIG. Select the midpoint of the bead end.
- current shape data, past shape data, change amount and difference amount of shape data, and welding information such as a welding position and a weld pass number are acquired, and a groove wall surface welded portion is obtained.
- welding target position of the next pass that differs depending on each welding position based on the detection result of the weld bead end, it becomes possible to obtain more accurate welding target position information, thus stabilizing the welding quality.
- the efficiency of automatic welding can be improved.
- the present invention is not limited to the above-described embodiment, and various modifications can be made.
- the welding information such as the welding position, the welding pass number, and the speed of the wire to be welded is recorded in the welding information recording unit 15, but in the present invention, at least the welding position and the welding pass number are recorded. do it.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Optics & Photonics (AREA)
- Geometry (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
Description
14…開先形状記録部
15…溶接情報記録部
16…溶接狙い位置計測処理部
17…溶接狙い位置選定部
21…開先形状位置合せ部
22…開先形状変化量演算部
23…開先形状差分量演算部
24…開先表面端部検出部
25…開先壁面溶接部検出部
26…溶接ビード端部検出部
27…溶接ビード頂点検出部
Claims (7)
- 開先形状を計測する開先形状計測手段と、
開先形状計測結果となる形状データを記録する開先形状記録手段と、
少なくとも溶接位置、溶接パス番号を含む溶接情報を記録する溶接情報記録手段と、
現在の形状データを過去の形状データに位置調整する開先形状位置合せ手段と、
前記現在の形状データに基づいて形状変化量を演算する開先形状変化量演算手段と、
現在と過去の形状データの差分量を演算する開先形状差分量演算手段と、
前記開先形状変化量演算手段の演算結果に基づいて開先壁面溶接部を検出する開先壁面溶接部検出手段と、
前記開先形状差分量演算手段の演算結果に基づいて溶接ビード端部を検出する溶接ビード端部検出手段と、
前記溶接情報記録手段の溶接情報における次パスの溶接パス番号を取得し、前記開先壁面溶接部および前記溶接ビード端部の検出結果に基づいて、各溶接位置により異なる次パスの溶接狙い位置を選定する溶接狙い位置選定手段と、
を備えることを特徴とする溶接狙い位置計測装置。 - 前記開先形状位置合せ手段は、前記開先形状計測手段により計測された現在の形状データと、前記開先形状記録手段に記録された過去の形状データとを比較し、両者の差分合計が最小となる位置を演算してずれ量を調整することを特徴とする請求項1記載の溶接狙い位置計測装置。
- 前記開先形状変化量演算手段は、現在の形状データの各計測点について計測点を挟んだ2直線の傾きを最小二乗法により演算し、その2直線のなす角度情報を演算することを特徴とする請求項1または2に記載の溶接狙い位置計測装置。
- 前記開先形状変化量演算手段の演算結果に基づいて開先表面端部を検出する開先表面端部検出手段を設け、
前記開先表面端部検出手段は、前記開先形状変化量演算手段により求めた現在の形状データの結果に基づいて最大角度となる計測点をデータの中央位置を境界として開先表面端部を検出し、検出されない場合は各データの端点をそれぞれの開先表面端部として検出することを特徴とする請求項1または2に記載の溶接狙い位置計測装置。 - 前記開先壁面溶接部検出手段は、前記開先表面端部検出手段の検出結果である開先表面の両端部に挟まれた形状データに基づいて最大角度から閾値以上となる計測点を検出し、角度の大きい順に並べ替え処理し、溶接母材と溶接ビードとの境界点となる開先壁面溶接部を検出することを特徴とする請求項1または2に記載の溶接狙い位置計測装置。
- 前記溶接ビード端部検出手段は、前記開先壁面溶接部検出手段の検出結果である開先壁面端部の両端部に挟まれた形状データに基づいて、前記開先形状差分量演算手段の結果から閾値以上の形状データを新規溶接部として抽出し、その抽出結果の両端点を新規に溶接された現在の溶接ビード端部として検出することを特徴とする請求項1または2に記載の溶接狙い位置計測装置。
- 前記開先形状変化量演算手段の演算結果に基づいて溶接ビード頂点を検出する溶接ビード頂点検出手段を設け、
前記溶接ビード頂点検出手段は、前記溶接ビード端部検出手段の検出結果である新規に溶接された溶接ビード端部に挟まれた形状データを抽出し、前記開先形状変化量演算手段の結果に基づいて最大角度となる位置を溶接ビード頂点として検出することを特徴とする請求項1または2に記載の溶接狙い位置計測装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112013000089A BR112013000089A2 (pt) | 2010-07-02 | 2011-06-23 | dispositivo de medição de posição de alvo de soldagem |
CN201180031665.3A CN103025466B (zh) | 2010-07-02 | 2011-06-23 | 焊接瞄准位置计测装置 |
US13/714,527 US9010614B2 (en) | 2010-07-02 | 2012-12-14 | Welding target position measurement device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-151803 | 2010-07-02 | ||
JP2010151803A JP5637753B2 (ja) | 2010-07-02 | 2010-07-02 | 溶接狙い位置計測装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/714,527 Continuation-In-Part US9010614B2 (en) | 2010-07-02 | 2012-12-14 | Welding target position measurement device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012001918A1 true WO2012001918A1 (ja) | 2012-01-05 |
Family
ID=45401662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/003583 WO2012001918A1 (ja) | 2010-07-02 | 2011-06-23 | 溶接狙い位置計測装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9010614B2 (ja) |
JP (1) | JP5637753B2 (ja) |
CN (1) | CN103025466B (ja) |
BR (1) | BR112013000089A2 (ja) |
WO (1) | WO2012001918A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016159301A (ja) * | 2015-02-26 | 2016-09-05 | 三菱重工業株式会社 | 溶接システム及び溶接方法 |
US11045440B2 (en) | 2015-10-14 | 2021-06-29 | Alcresta Therapeutics, Inc. | Enteral feeding devices and related methods of use |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5823278B2 (ja) * | 2011-12-13 | 2015-11-25 | 株式会社東芝 | 溶接ビード整形装置およびその整形方法 |
KR101644516B1 (ko) * | 2014-12-12 | 2016-08-11 | 삼성중공업(주) | 계측 방법 |
JP6262378B1 (ja) * | 2017-02-09 | 2018-01-17 | Ckd株式会社 | 基板検査装置、基板検査方法、及び、基板の製造方法 |
JP6798388B2 (ja) * | 2017-03-29 | 2020-12-09 | 株式会社デンソー | 部材の溶接位置検出装置、及び、部材の溶接位置検出方法 |
JP6892371B2 (ja) * | 2017-11-14 | 2021-06-23 | 株式会社神戸製鋼所 | 積層造形物の製造方法及び製造装置 |
CN114101851B (zh) * | 2021-12-30 | 2022-11-01 | 华中科技大学 | 一种用于阀体零件的多焊缝填充自调节方法、系统及装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6384776A (ja) * | 1986-09-30 | 1988-04-15 | Yaskawa Electric Mfg Co Ltd | 多層溶接方法 |
JPH0399778A (ja) * | 1989-09-11 | 1991-04-24 | Esab Ab | 自動多点溶接方法 |
JPH05138349A (ja) * | 1991-11-22 | 1993-06-01 | Hitachi Ltd | 多層盛自動溶接装置 |
JPH09103873A (ja) * | 1995-10-09 | 1997-04-22 | Hitachi Constr Mach Co Ltd | 溶接装置 |
JPH1177308A (ja) * | 1997-09-12 | 1999-03-23 | Hitachi Ltd | 溶接線検出方法およびその装置並びに溶接装置 |
JP2000024777A (ja) * | 1998-07-14 | 2000-01-25 | Hitachi Ltd | 開先形状検出装置 |
JP2000033477A (ja) * | 1998-07-17 | 2000-02-02 | Hitachi Ltd | 多層盛溶接装置 |
JP2002144035A (ja) * | 2000-11-08 | 2002-05-21 | Hitachi Ltd | 多層盛溶接におけるトーチ位置の制御方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0311868A (ja) | 1989-06-09 | 1991-01-21 | Nippon Telegr & Teleph Corp <Ntt> | オフトーク通信方式 |
US5166495A (en) | 1989-09-11 | 1992-11-24 | Esab Aktiebolag | Method and apparatus for automatic multi-run welding |
JP3080842B2 (ja) * | 1994-07-20 | 2000-08-28 | 三菱重工業株式会社 | 多層盛自動溶接方法 |
JP2978430B2 (ja) | 1995-11-21 | 1999-11-15 | 川崎重工業株式会社 | 水平突合せ継手の自動多層溶接施工方法 |
JPH1147930A (ja) | 1997-08-05 | 1999-02-23 | Hitachi Ltd | 多層盛自動溶接装置 |
EP1426732A1 (en) * | 2002-11-29 | 2004-06-09 | Seiko Precision Inc. | Angle detection apparatus, projector including the same, and angle detection method |
JP2005334904A (ja) | 2004-05-25 | 2005-12-08 | Hitachi Ltd | 自動倣い溶接制御方法及び装置 |
WO2011102142A1 (ja) * | 2010-02-18 | 2011-08-25 | 株式会社 東芝 | 溶接装置および溶接方法 |
-
2010
- 2010-07-02 JP JP2010151803A patent/JP5637753B2/ja active Active
-
2011
- 2011-06-23 BR BR112013000089A patent/BR112013000089A2/pt not_active Application Discontinuation
- 2011-06-23 CN CN201180031665.3A patent/CN103025466B/zh active Active
- 2011-06-23 WO PCT/JP2011/003583 patent/WO2012001918A1/ja active Application Filing
-
2012
- 2012-12-14 US US13/714,527 patent/US9010614B2/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6384776A (ja) * | 1986-09-30 | 1988-04-15 | Yaskawa Electric Mfg Co Ltd | 多層溶接方法 |
JPH0399778A (ja) * | 1989-09-11 | 1991-04-24 | Esab Ab | 自動多点溶接方法 |
JPH05138349A (ja) * | 1991-11-22 | 1993-06-01 | Hitachi Ltd | 多層盛自動溶接装置 |
JPH09103873A (ja) * | 1995-10-09 | 1997-04-22 | Hitachi Constr Mach Co Ltd | 溶接装置 |
JPH1177308A (ja) * | 1997-09-12 | 1999-03-23 | Hitachi Ltd | 溶接線検出方法およびその装置並びに溶接装置 |
JP2000024777A (ja) * | 1998-07-14 | 2000-01-25 | Hitachi Ltd | 開先形状検出装置 |
JP2000033477A (ja) * | 1998-07-17 | 2000-02-02 | Hitachi Ltd | 多層盛溶接装置 |
JP2002144035A (ja) * | 2000-11-08 | 2002-05-21 | Hitachi Ltd | 多層盛溶接におけるトーチ位置の制御方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016159301A (ja) * | 2015-02-26 | 2016-09-05 | 三菱重工業株式会社 | 溶接システム及び溶接方法 |
US11045440B2 (en) | 2015-10-14 | 2021-06-29 | Alcresta Therapeutics, Inc. | Enteral feeding devices and related methods of use |
Also Published As
Publication number | Publication date |
---|---|
US20130098971A1 (en) | 2013-04-25 |
CN103025466A (zh) | 2013-04-03 |
JP2012011433A (ja) | 2012-01-19 |
CN103025466B (zh) | 2015-07-01 |
US9010614B2 (en) | 2015-04-21 |
BR112013000089A2 (pt) | 2016-05-10 |
JP5637753B2 (ja) | 2014-12-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2012001918A1 (ja) | 溶接狙い位置計測装置 | |
JP5075728B2 (ja) | ウェハ基板を位置合わせするための方法、複数のアライメントターゲット、及びアライメントシステム | |
JP7117189B2 (ja) | 光学式変位計 | |
JP6512912B2 (ja) | 被計測物の形状を計測する計測装置 | |
EP3252428B1 (en) | Overhead wire wear measurement device and overhead wire wear measurement method | |
KR101662306B1 (ko) | 패턴의 선폭 측정 방법 및 이를 수행하기 위한 선폭 측정 장치 | |
JP5327003B2 (ja) | 表面形状測定装置および方法 | |
JP2006248411A (ja) | 画像処理によるトロリ線摩耗測定装置 | |
JP2016201423A5 (ja) | ||
JP6882292B2 (ja) | レーザビームの基準焦点位置を特定する方法 | |
JP6347069B2 (ja) | 画像処理によるトロリ線摩耗測定装置及びその方法 | |
JP2009063541A (ja) | 幾何学量計測方法及び幾何学量計測装置 | |
JP2014079774A (ja) | 溶接狙い位置計測装置および溶接狙い位置計測方法 | |
KR101568485B1 (ko) | 선박의 카고 홀드 크기 측정 장치 및 방법 | |
JP2008216039A (ja) | 形状測定方法および形状測定装置 | |
JP6035580B2 (ja) | パンタグラフ測定用ラインセンサのキャリブレーション装置及びパンタグラフ測定用ラインセンサのキャリブレーション支援装置。 | |
JP6170714B2 (ja) | 測距装置 | |
JP2023015886A (ja) | 形状検査装置、処理装置、高さ画像処理方法および高さ画像処理プログラム | |
KR20100020671A (ko) | 비젼 카메라를 이용한 강재의 두께측정 및형상판별장치와,이를 이용한 강재의 두께측정방법 및형상판별방법 | |
JP5031724B2 (ja) | 光学式の形状・位置測定方法および隙間形成用治具 | |
JP2006308400A (ja) | マーク位置検出方法およびその装置 | |
JP2019124560A (ja) | 溶接ビードの外観評価方法および外観評価装置 | |
JP2005219111A (ja) | 溶接のビードずれ判定装置および方法 | |
KR101708818B1 (ko) | 레이저를 이용한 웨이퍼 마킹 공정에서 웨이퍼의 마킹 위치 변동을 방지하는 장치 및 방법과, 레이저를 이용한 웨이퍼 마킹 장치 및 방법 | |
JP7043761B2 (ja) | 電柱距離測定装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201180031665.3 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11800390 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 11800390 Country of ref document: EP Kind code of ref document: A1 |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112013000089 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 112013000089 Country of ref document: BR Kind code of ref document: A2 Effective date: 20130102 |