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1. 发明授权

US09089926B2 Process monitoring the processing of a material 有权
标题翻译：过程监控材料的加工
公开(公告)号：US09089926B2
公开(公告)日：2015-07-28
申请号：US12513081
申请日：2006-11-04
申请人： Dieter Pfitzner , Tim Hesse , Winfried Magg
发明人： Dieter Pfitzner , Tim Hesse , Winfried Magg
IPC分类号： H04N7/18 , B23K26/03 , G01J5/60 , G01J5/00
CPC分类号： B23K26/03 , B23K26/032 , B23K26/034 , G01J5/602 , G01J2005/0077
摘要： A method for monitoring a processing region of a workpiece on which laser processing is being carried out, in which method the radiation emitted by the processing region is detected by a detector system in a space-resolved manner, wherein the radiation of the processing region is detected for each elemental area of the processing region imaged onto the detector system at least two wavelengths simultaneously. Accurate process monitoring may thereby be carried out.
摘要翻译：一种用于监测正在进行激光处理的工件的处理区域的方法，其中由处理区域发射的辐射由空间分辨的方式由检测器系统检测，其中处理区域的辐射为针对检测器系统成像的处理区域的每个元素区域同时检测至少两个波长。从而可以进行准确的过程监视。

2. 发明授权

US08546721B2 Seam position control for laser processing 有权
标题翻译：接缝位置控制用于激光加工
公开(公告)号：US08546721B2
公开(公告)日：2013-10-01
申请号：US12274116
申请日：2008-11-19
申请人： Tim Hesse , Dieter Pfitzner , Winfried Magg
发明人： Tim Hesse , Dieter Pfitzner , Winfried Magg
IPC分类号： B23K26/00 , B23K26/24 , G06F19/00
CPC分类号： B23K26/04
摘要： A course of a position of a positioning device is determined as a laser beam welds a workpiece at a focus area of the laser beam. The positioning device is configured to position the focus area of a laser beam on a workpiece such that a joint is formed on the workpiece. A course of the joint on the workpiece from the determined course of the position of the positioning device is estimated, and a deviation between the determined course of the position of the positioning device and the estimated course of the joint on the workpiece is calculated. The deviation represents a parameter related to the precision of the seam position control.
摘要翻译：定位装置的位置的过程由激光束在激光束的聚焦区域处焊接工件来确定。定位装置构造成将激光束的聚焦区域定位在工件上，使得在工件上形成接头。估计从确定的定位装置的位置过程中的工件上的接合过程，并且计算确定的定位装置的位置与工件上的关节的估计路线之间的偏差。偏差表示与接缝位置控制的精度有关的参数。

3. 发明申请

US20100134628A1 Process Monitoring the Processing of a Material 有权
标题翻译：过程监控材料的处理
公开(公告)号：US20100134628A1
公开(公告)日：2010-06-03
申请号：US12513081
申请日：2006-11-04
申请人： Dieter Pfitzner , Tim Hesse , Winfried Magg
发明人： Dieter Pfitzner , Tim Hesse , Winfried Magg
IPC分类号： H04N7/18 , H01J40/14 , G02B6/06 , G01J3/50 , B23K26/02 , B23K26/00
CPC分类号： B23K26/03 , B23K26/032 , B23K26/034 , G01J5/602 , G01J2005/0077
摘要： The invention relates to a method for monitoring a processing region of a workpiece (10) on which laser processing is being carried out, in which method the radiation emitted by the processing region (11) is detected by a detector system (22) in a space-resolved manner, wherein the radiation of the processing region (11) is detected for each elemental area of the processing region (11) imaged onto the detector system at least two wavelengths simultaneously. Accurate process monitoring may thereby be carried out.
摘要翻译：本发明涉及一种用于监测正在进行激光处理的工件（10）的处理区域的方法，在该方法中，由处理区域（11）发射的辐射由检测器系统（22）检测到空间分辨方式，其中以至少两个波长同时对成像到检测器系统上的处理区域（11）的每个元素区域检测处理区域（11）的辐射。从而可以进行准确的过程监视。

4. 发明申请

US20090139968A1 SEAM POSITION CONTROL FOR LASER PROCESSING 有权
标题翻译：用于激光加工的SEAM位置控制
公开(公告)号：US20090139968A1
公开(公告)日：2009-06-04
申请号：US12274116
申请日：2008-11-19
申请人： Tim Hesse , Dieter Pfitzner , Winfried Magg
发明人： Tim Hesse , Dieter Pfitzner , Winfried Magg
IPC分类号： B23K26/00 , G06F15/00
CPC分类号： B23K26/04
摘要： A course of a position of a positioning device is determined as a laser beam welds a workpiece at a focus area of the laser beam. The positioning device is configured to position the focus area of a laser beam on a workpiece such that a joint is formed on the workpiece. A course of the joint on the workpiece from the determined course of the position of the positioning device is estimated, and a deviation between the determined course of the position of the positioning device and the estimated course of the joint on the workpiece is calculated. The deviation represents a parameter related to the precision of the seam position control.
摘要翻译：定位装置的位置的过程由激光束在激光束的聚焦区域处焊接工件来确定。定位装置构造成将激光束的聚焦区域定位在工件上，使得在工件上形成接头。估计从确定的定位装置的位置过程中的工件上的接合过程，并且计算确定的定位装置的位置与工件上的关节的估计路线之间的偏差。偏差表示与接缝位置控制的精度有关的参数。

5. 发明申请

US20100086003A1 DETECTING DEFECTS DURING LASER WELDING 有权
标题翻译：在激光焊接期间检测缺陷
公开(公告)号：US20100086003A1
公开(公告)日：2010-04-08
申请号：US12624544
申请日：2009-11-24
申请人： Dieter Pfitzner , Tim Hesse , Winfried Magg
发明人： Dieter Pfitzner , Tim Hesse , Winfried Magg
IPC分类号： G01N25/72 , G01J5/02
CPC分类号： G01N25/72 , B23K26/032 , B23K26/034 , B23K26/32 , B23K26/322 , B23K31/12 , B23K2101/34 , B23K2103/04 , B23K2103/08 , B23K2103/50
摘要： A method for detecting defect in a weld seam during laser welding. The method includes performing a two-dimensionally locally resolved detection of radiation that is emitted by a solidified molten mass that is adjacent to a liquid melting bath. The method also includes determining at least one characteristic value for heat dissipation in the solidified molten mass by evaluating the detected radiation along at least one profile-section of the solidified molten mass, and detecting a defect in the weld seam by comparing the at least one characteristic value with at least one reference value.
摘要翻译：一种在激光焊接过程中检测焊缝缺陷的方法。该方法包括对邻近液体熔融槽的凝固熔融物体发射的辐射进行二维局部解析检测。该方法还包括通过沿着凝固的熔融物质的至少一个型材部分评估检测到的辐射来确定固化的熔融物质中的热耗散的至少一个特征值，并且通过将至少一个具有至少一个参考值的特征值。

6. 发明申请

US20090145888A1 PREPARING AND PERFORMING OF A LASER WELDING PROCESS 审中-公开
标题翻译：激光焊接工艺的制备和执行
公开(公告)号：US20090145888A1
公开(公告)日：2009-06-11
申请号：US12274160
申请日：2008-11-19
申请人： Tim Hesse , Dieter Pfitzner , Winfried Magg
发明人： Tim Hesse , Dieter Pfitzner , Winfried Magg
IPC分类号： B23K26/00
CPC分类号： B23K26/04
摘要： A first position of a joint site on a workpiece is detected with a sensor device. The first position is in a first measurement zone in front of a laser beam incident on the workpiece. The second position is in a second measurement zone at the position of the laser beam, and the third position is in a third measurement zone behind the position of the laser beam. One or more of a second position and a third position of the joint site is detected. The position of the laser beam incident on the workpiece is detected. The first, and one or more of the second and third positions are compared to the position of the laser beam, and, based on the comparison, one or more of a laser machining head configured to direct the laser beam onto the workpiece and the sensor device are adjusted relative to the workpiece.
摘要翻译：用传感器装置检测工件上的关节位置的第一位置。第一位置在入射到工件上的激光束前面的第一测量区域中。第二位置在激光束的位置处的第二测量区域中，并且第三位置处于激光束位置后面的第三测量区域。检测到关节位置的第二位置和第三位置中的一个或多个。检测入射在工件上的激光束的位置。将第二和第三位置中的第一和第一位置与激光束的位置进行比较，并且基于比较，激光加工头中的一个或多个被配置为将激光束引导到工件上，并且传感器装置相对于工件进行调整。

7. 发明授权

US08777482B2 Detecting defects during laser welding 有权
标题翻译：检测激光焊接时的缺陷
公开(公告)号：US08777482B2
公开(公告)日：2014-07-15
申请号：US12624544
申请日：2009-11-24
申请人： Dieter Pfitzner , Tim Hesse , Winfried Magg
发明人： Dieter Pfitzner , Tim Hesse , Winfried Magg
IPC分类号： G01N25/72 , G01K17/00 , B23K26/03 , B23K26/32 , B23K31/12
CPC分类号： G01N25/72 , B23K26/032 , B23K26/034 , B23K26/32 , B23K26/322 , B23K31/12 , B23K2101/34 , B23K2103/04 , B23K2103/08 , B23K2103/50
摘要： A method for detecting defect in a weld seam during laser welding. The method includes performing a two-dimensionally locally resolved detection of radiation that is emitted by a solidified molten mass that is adjacent to a liquid melting bath. The method also includes determining at least one characteristic value for heat dissipation in the solidified molten mass by evaluating the detected radiation along at least one profile-section of the solidified molten mass, and detecting a defect in the weld seam by comparing the at least one characteristic value with at least one reference value.
摘要翻译：一种在激光焊接过程中检测焊缝缺陷的方法。该方法包括对邻近液体熔融槽的凝固熔融物体发射的辐射进行二维局部解析检测。该方法还包括通过沿着凝固的熔融物质的至少一个型材部分评估检测到的辐射来确定固化的熔融物质中的热耗散的至少一个特征值，并且通过将至少一个具有至少一个参考值的特征值。

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