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1. 发明授权

US06984801B2 Method of closing a hole in a gas turbine blade top by laser welding 有权
标题翻译：通过激光焊接封闭燃气轮机叶片顶部的孔的方法
公开(公告)号：US06984801B2
公开(公告)日：2006-01-10
申请号：US10467179
申请日：2002-08-29
申请人： Masahiko Mega , Koji Takahashi , Yoshitaka Uemura , Kengo Yamaguchi , Masaya Kanikawa , Syuho Tsubota , Ken Fujita , Toshihiko Tsunatani , Minoru Ohara
发明人： Masahiko Mega , Koji Takahashi , Yoshitaka Uemura , Kengo Yamaguchi , Masaya Kanikawa , Syuho Tsubota , Ken Fujita , Toshihiko Tsunatani , Minoru Ohara
IPC分类号： B23K26/20
CPC分类号： B23K26/206 , B23K26/28 , F01D5/147 , F01D5/18 , F01D5/20 , F02C3/05 , F02C3/30 , F05D2230/23
摘要： A tip plug is capped on a boss section so as to fit to a hole which is used for detaching a core which is formed in a blade tip section of the gas turbine blade. A butt-section T is melted so as to form a butt-welding section by using a YAG laser beam. Also, parameters such as an interval between the butt-section T, a member for forming the tip plug, condition for a laser welding operation, and a defocus position of the laser beam are optimized.
摘要翻译：尖端塞被盖在凸台部分上，以适合于用于拆卸形成在燃气轮机叶片的叶片尖端部分中的芯的孔。对接部分T熔化，以便通过使用YAG激光束形成对接焊接部分。此外，优化诸如对接部分T，用于形成尖端插塞的部件，激光焊接操作的条件和激光束的散焦位置之间的间隔的参数。

2. 发明授权

US07239736B2 Method of welding three-dimensional structure and apparatus for use in such method 有权
标题翻译：三维结构焊接方法及其使用方法
公开(公告)号：US07239736B2
公开(公告)日：2007-07-03
申请号：US10302934
申请日：2002-11-25
申请人： Ken Fujita , Toshihiko Tsunatani , Tomoaki Kitagawa , Masahiko Mega , Yasushi Takeuchi
发明人： Ken Fujita , Toshihiko Tsunatani , Tomoaki Kitagawa , Masahiko Mega , Yasushi Takeuchi
IPC分类号： G06K9/00
CPC分类号： B23K26/24 , B23K9/1274 , B23K26/044 , B23K37/00
摘要： When a three-dimensional structure is formed by welding a plurality of members, accurate welding can be performed matching the three-dimensional shape. The teaching data consisting of the three-dimensional position at each of the welding points determined on each of the welding lines at a predetermined spacing on the basis of the design data of the three-dimensional structure is stored in a memory 18. A laser slit light sensor (a laser slit light emitting section 12 and a CD camera 13) is controlled by a total controller 17 via a camera controller 14 to photograph the welding point in order to obtain the image data of the welding point. An image processing apparatus 16 processes the image data to determine the amount of deviation from the design data of welding points. The total controller modify the teaching data on the basis of the amount of deviation from the design data of welding points to establish the modified teaching data and controls a welding head so that it moves according to the modified teaching data.
摘要翻译：当通过焊接多个构件形成三维结构时，可以进行与三维形状相匹配的精确的焊接。基于三维结构的设计数据，以预定间隔在每个焊接线上确定的每个焊接点处的三维位置的教学数据被存储在存储器18中。激光狭缝光传感器（激光狭缝光发射部分12和CD相机13）由总控制器17经由照相机控制器14控制以拍摄焊接点，以获得焊接点的图像数据。图像处理装置16处理图像数据以确定与焊接点的设计数据的偏差量。总控制器根据与焊点设计数据的偏差量修改教学数据，建立修改后的教学数据，控制焊接头，使其按照修改后的教学数据移动。

3. 发明授权

US06919956B2 Method of automatically repairing cracks and apparatus for use in such method 失效
标题翻译：自动修复裂缝的方法和使用方法
公开(公告)号：US06919956B2
公开(公告)日：2005-07-19
申请号：US10245342
申请日：2002-09-18
申请人： Tomoaki Kitagawa , Ken Fujita , Toshihiko Tsunatani , Masahiko Mega , Yasushi Takeuchi
发明人： Tomoaki Kitagawa , Ken Fujita , Toshihiko Tsunatani , Masahiko Mega , Yasushi Takeuchi
IPC分类号： B23K31/00 , B23P6/00 , F01D5/00 , G01N21/94 , G01N21/00
CPC分类号： B23P6/007 , B23P6/045 , F01D5/005 , G01N21/94
摘要： A method and apparatus automatically repairs cracks produced in a member to be repaired. A wide field image is obtained by photographing the whole surface of a blade 31 or the like in a wide field view by a remote camera 11 and the position of cracks on the surface of the blade is obtained as a rough position information of the cracks by processing the image of wide field view. Then the cracks are photographed in a narrow field view at the predetermined spacing along the cracks based on the rough position information by a light section method. The narrow field images are processed to obtain the position, width, and depth of the crack at each predetermined spacing, which compose crack data at the series of points, and the cracks are repaired based on the crack data at the series of points.
摘要翻译：一种方法和装置自动修复在待修理的构件中产生的裂纹。通过远程摄像机11在宽视场中拍摄叶片31等的整个表面，获得宽视野图像，并且获得作为裂纹的粗略位置信息的刀片表面的位置信息处理宽视场图像。然后，通过光分割方法，基于粗略位置信息，沿着裂纹以预定的间隔在窄视场中拍摄裂纹。处理窄场图像以获得每个预定间隔处的裂纹的位置，宽度和深度，其构成该系列点处的裂纹数据，并且基于一系列点处的裂纹数据修复裂纹。

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