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1. 发明申请

WO2009023279A1 VARIABLE FOCUS LASER MACHINING SYSTEM 审中-公开
标题翻译：可变焦点激光加工系统
公开(公告)号：WO2009023279A1
公开(公告)日：2009-02-19
申请号：PCT/US2008/009818
申请日：2008-08-15
申请人： CATERPILLAR INC. , HU, Zhaoli , HUANG, Chunfu, Cliff
发明人： HU, Zhaoli , HUANG, Chunfu, Cliff
IPC分类号： B23K26/38
CPC分类号： B23K26/046 , B23K26/384 , B23K26/389
摘要： A variable focus laser machining system (10) is disclosed. The machining system has a laser emitter (60) configured to emit a laser beam (65). Additionally, the machining system has a focusing element (75) configured to focus the laser beam. The machining system also has a controller (35). The controller is configured to focus the laser beam at a first focal point (Cp1). The first focal point is approximately positioned on a first machining surface (80) of a work piece (20). The controller is also configured to determine that the first machining surface has moved relative to the first focal point. Additionally, the controller is configured to re-focus the laser beam at a second focal point (φ2). The second focal point is positioned between a, second machining surface (85) and a predetermined surface (90) spaced apart from the second machining surface.
摘要翻译：公开了一种可变焦激光加工系统（10）。加工系统具有配置成发射激光束（65）的激光发射器（60）。另外，加工系统具有配置成聚焦激光束的聚焦元件（75）。加工系统还具有控制器（35）。控制器被配置为将激光束聚焦在第一焦点（Cp1）处。第一焦点大致位于工件（20）的第一加工表面（80）上。控制器还被配置为确定第一加工表面相对于第一焦点移动。另外，控制器被配置为在第二焦点（f2）处重新聚焦激光束。第二焦点位于第二加工表面（85）和与第二加工表面间隔开的预定表面（90）之间。

2. 发明申请

WO2009032226A1 LASER MACHINING CALIBRATION METHOD BY MACHINING A REFERENCE MARK LASER MACHINING CALIBRATION METHOD BY MACHINING A REFERENCE MARK ON A WORKPIECE AND MEASURING THE OFFSET OF THIS REFERENCE MARK WITH A REFERENCE POINT 审中-公开
标题翻译：激光加工校准方法，通过加工参考标记激光加工校准方法，通过加工工件上的参考标记，并用参考点测量本参考标记的偏移量
公开(公告)号：WO2009032226A1
公开(公告)日：2009-03-12
申请号：PCT/US2008/010293
申请日：2008-08-29
申请人： CATERPILLAR INC. , HU, Zhaoli , HUANG, Chunfu, Cliff , KOCH, Justin, Lee
发明人： HU, Zhaoli , HUANG, Chunfu, Cliff , KOCH, Justin, Lee
IPC分类号： B23K26/04
CPC分类号： B23K26/04
摘要： A calibration method is disclosed. The method includes locating a focal point (24) of a laser (12) relative to at least one reference datum (14) of a workspace (16), the focal point (24) being where the laser (12) produces machining. The method also includes machining at least one reference mark onto a work piece (20) via the laser machining at the focal point (24) and measuring an offset between a reference point on the work piece (20) and the at least one reference mark.
摘要翻译：公开了一种校准方法。该方法包括相对于工作空间（16）的至少一个参考基准（14）定位激光器（12）的焦点（24），焦点（24）是激光器（12）产生加工的位置。该方法还包括通过在焦点（24）处的激光加工将至少一个参考标记加工到工件（20）上，并测量工件（20）上的参考点和至少一个参考标记。

3. 发明申请

WO2009023280A3 LASER MACHINING METHOD UTILIZING VARIABLE INCLINATION ANGLE 审中-公开
公开(公告)号：WO2009023280A3
公开(公告)日：2009-02-19
申请号：PCT/US2008/009819
申请日：2008-08-15
申请人： CATERPILLAR INC. , HUANG, Chunfu, Cliff , HU, Zhaoli
发明人： HUANG, Chunfu, Cliff , HU, Zhaoli
IPC分类号： B23K26/38
摘要： A method of laser machining is disclosed. The method of laser machining may include directing a laser beam (14) emitted by an optical device (12) onto a workpiece (11) at a first inclination angle (θ) to create a cut (10) in the workpiece and varying the inclination angle of the laser beam.

4. 发明申请

WO2009023280A2 LASER MACHINING METHOD UTILIZING VARIABLE INCLINATION ANGLE 审中-公开
标题翻译：利用可变倾角的激光加工方法
公开(公告)号：WO2009023280A2
公开(公告)日：2009-02-19
申请号：PCT/US2008009819
申请日：2008-08-15
申请人： CATERPILLAR INC , HUANG CHUNFU CLIFF , HU ZHAOLI
发明人： HUANG CHUNFU CLIFF , HU ZHAOLI
IPC分类号： B23K26/38
CPC分类号： B23K26/384 , B23K26/38 , B23K26/389
摘要： A method of laser machining is disclosed. The method of laser machining may include directing a laser beam (14) emitted by an optical device (12) onto a workpiece (11) at a first inclination angle (?) to create a cut (10) in the workpiece and varying the inclination angle of the laser beam.
摘要翻译：公开了一种激光加工的方法。激光加工的方法可以包括将由光学装置（12）发射的激光束（14）以第一倾角（θ）引导到工件（11）上以在工件中产生切口（10）并且改变倾斜激光束的角度。

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