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1. 发明申请

WO2006048500A1 LASER WELDING METHOD 审中-公开
标题翻译：激光焊接方法
公开(公告)号：WO2006048500A1
公开(公告)日：2006-05-11
申请号：PCT/FI2005/000469
申请日：2005-11-02
申请人： VALTION TEKNILLINEN TUTKIMUSKESKUS , EMMECON OY , JANSSON, Anssi
发明人： JANSSON, Anssi
IPC分类号： B23K26/03 , B29C65/82 , G01N21/958 , G06T7/00
CPC分类号： B23K26/032 , B23K26/03 , B23K26/10 , B23K26/26 , B23K2203/42 , B23K2203/50 , B29C65/1635 , B29C65/1654 , B29C65/1661 , B29C65/8253 , B29C66/1122 , B29C66/24244 , B29C66/43 , B29C66/472 , B29C66/73921 , B29C66/944 , B29C66/949 , B29C66/9672 , B29L2031/3431
摘要： A laser welding method for welding together two plastic components, a first plastic component (1) i.e. one that is permeable to laser radiation and a second plastic component (2) i.e. one that is non-permeable to laser radiation, in which method a laser beam (3) is directed through the first component into the second component and the laser beam is moved along a predetermined path (4); the components are held substantially in engagement with one another at least in the area of welding and during the entire welding, resulting in that as the laser beam is absorbed in the second component, the latter starts to melt in the area of radiation, thereby melting the first component so that the molten areas of the components adhere to one another forming a seam, and the components are welded together; criteria for an acceptable seam are determined; and a product is accepted when the criteria for an acceptable seam are met . According to the invention, the laser beam is moved several times along a predetermined path; the melting of the components and the formation of the seam are monitored substantially continuously using image processing technology as the welding proceeds through the first plastic component; criteria for the image of an acceptable seam are determined, and the welding is stopped as the criteria are met.
摘要翻译：一种激光焊接方法，用于将两个塑料部件，即第一塑料部件（1），即可激光辐射的第一塑料部件和第二塑料部件（2），即对激光辐射是不可渗透的部件，其中激光光束（3）被引导通过第一部件到第二部件中，并且激光束沿预定路径（4）移动; 这些部件至少在焊接区域和整个焊接过程中基本保持彼此接合，导致当激光束被吸收在第二部件中时，激光束在辐射区域中开始熔化，从而熔化第一部件，使得部件的熔融区域彼此粘合形成接缝，并将部件焊接在一起; 确定可接受的接缝的标准; 并且当满足可接受的接缝的标准时，产品被接受。根据本发明，激光束沿着预定路径移动多次; 当焊接通过第一塑料部件进行时，使用图像处理技术基本连续地监测部件的熔化和接缝的形成; 确定可接受的接缝的图像的标准，并且在满足标准的情况下停止焊接。

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