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JP2008254029A Laser beam machining apparatus and method 有权
标题翻译：激光加工设备和方法
公开(公告)号：JP2008254029A
公开(公告)日：2008-10-23
申请号：JP2007099523
申请日：2007-04-05
申请人： Fuji Seal International Inc , Kantum Electronics Co Ltd , カンタムエレクトロニクス株式会社 , 株式会社フジシールインターナショナル
发明人： SHIMIZU HIRONORI , YOSHITOME MASAJI , ISHII TAKAYUKI , DAIMARU KEIICHI
IPC分类号： B23K26/00 , B23K26/02 , B23K26/06 , B23K26/08 , B23K101/16
摘要： PROBLEM TO BE SOLVED: To deal with rapid change in transporting speed as well, in a laser beam machining apparatus in which laser beam machining is performed, in a direction non-parallel to a transporting direction by prescribed intervals in the transporting direction, for a workpiece transported at a variable transporting speed. SOLUTION: The laser beam machining apparatus is provided with a laser oscillator 22 and an optical device 24 that guides to the workpiece 12 a laser beam emitted from the laser oscillator 22. The optical device 24 includes a polygon mirror 40 for reflecting the laser beam to the workpiece and a servo motor 46 for rotatably driving the polygon mirror 40. The apparatus is also provided with a first sensor 60 for sending a signal with a period corresponding to the transporting speed and a second sensor 62 for sending a signal with a period corresponding to the rotary speed of the polygon mirror 40. In accordance with the change in the period of the signal from the first sensor, emission timing of the laser beam is controlled. Also, the rotary speed of the servo motor 46 is controlled in such a manner that the signal from the second sensor 62 follows up the signal from the first sensor. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了处理传送速度的快速变化，在进行激光束加工的激光加工装置中，在与输送方向不平行的方向上，在输送方向上规定间隔，用于以可变输送速度运输的工件。解决方案：激光束加工装置设置有激光振荡器22和光学装置24，其将从激光振荡器22发射的激光束引导到工件12。光学装置24包括多面镜40，用于反射激光束到工件以及用于可旋转地驱动多面镜40的伺服电动机46.该装置还设置有用于发送具有与传送速度相对应的周期的信号的第一传感器60以及用于发送信号的第二传感器62 与多面镜40的旋转速度相对应的周期。根据来自第一传感器的信号的周期的变化，控制激光束的发射定时。此外，伺服电动机46的旋转速度被控制成来自第二传感器62的信号跟随来自第一传感器的信号。版权所有（C）2009，JPO＆INPIT

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