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Systems and Methods for Monitoring and/or Controlling Wobble-Processing Using Inline Coherent Imaging (ICI)
Systems and Methods for Monitoring and/or Controlling Wobble-Processing Using Inline Coherent Imaging (ICI)
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机译:使用在线相干成像(ICI)监视和/或控制摆动处理的系统和方法
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摘要
A system and method may be used to monitor and/or control material processing where a process beam is moved in a wobble pattern, such as a wobble-welding process. While at least one process beam is moved according to a wobble pattern on a processing site (e.g., a weld site) of a workpiece, an ICI system moves an imaging beam at least partially independently of the process beam to one or more measurement locations on the wobble pattern and obtains ICI measurements (e.g., depth measurements) at those locations. The ICI measurement(s) may be used, for example, to evaluate keyhole and/or melt pool characteristics during a welding process. Although the present application describes wobble welding processes, the systems and methods described herein may also be used with other material processing applications where a laser or other energy beam is wobbled or dithered during processing including, without limitation, additive manufacturing, marking and material removal.
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