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1. 发明授权

US09770784B2 Laser machining device and method for machining a workpiece by using a laser machining device 有权
公开(公告)号：US09770784B2
公开(公告)日：2017-09-26
申请号：US14728024
申请日：2015-06-02
申请人： EWAG AG
发明人： Christoph Pluess , Claus Dold , Gregory Eberle
IPC分类号： B23K26/08 , B23K26/04 , B23K26/38 , B23K26/36 , B23K31/02 , B23K26/082 , B23K26/044 , B23K26/0622 , B23K101/20
CPC分类号： B23K26/38 , B23K26/044 , B23K26/0622 , B23K26/082 , B23K26/0823 , B23K26/083 , B23K26/36 , B23K31/025 , B23K2101/20
摘要： The invention relates to a method and a laser machining device 10 for machining a workpiece 13. The laser machining device 10 has a laser 11 for generating a laser beam 12, which is deflected by way of a deflecting device 15 in accordance with a pattern defined by a control unit 14 and is directed onto a workpiece surface 17 of a workpiece 13, which surface is to be machined. The point of impingement 18 of the deflected laser beam 12b on the workpiece surface 17 is guided along at least one spiral path within a circular hatched area 16. The spiral path 19 is characterized by spiral path parameters. One spiral path parameter is the line spacing a between neighboring points of intersection P of the spiral path 19 with an axis running through the center point M of the spiral path 19.

2. 发明授权

US08916798B2 Laser machining apparatus with switchable laser system and laser machining method 有权
标题翻译：具有可切换激光系统和激光加工方法的激光加工设备
公开(公告)号：US08916798B2
公开(公告)日：2014-12-23
申请号：US13372546
申请日：2012-02-14
申请人： Christoph Plüss
发明人： Christoph Plüss
IPC分类号： B23K26/36 , B23K26/42 , B23K26/06 , B23P25/00 , B23K26/30 , B23K26/38 , B23K26/08
CPC分类号： B23P25/006 , B23K26/0624 , B23K26/083 , B23K26/0853 , B23K26/0861 , B23K26/0884 , B23K26/36 , B23K26/361 , B23K26/38 , B23K26/70
摘要： A laser machining apparatus and method for producing from a workpiece a rotating cutting tool having a cutting edge and a flank. The laser machining apparatus works in two different operating modes. In the first operating mode, a first laser head is used for machining the workpiece at high advance speeds of the workpiece relative to the first laser head to form a rough desired contour with pulses having a duration in the nanosecond range resulting in laser melt cutting. Subsequently, the laser machining apparatus is operated in the second operating mode generating laser pulses with having a pulse duration in the picosecond range. In the second operating mode, a second laser head is activated by means of an optical scanner system and directs the laser pulses onto a two-dimensional pulse area on the surface of the workpiece, the material removal is accomplished by laser ablation.
摘要翻译：一种用于从工件生产具有切割边缘和侧面的旋转切削工具的激光加工设备和方法。激光加工设备有两种不同的工作模式。在第一操作模式中，第一激光头用于以相对于第一激光头的工件的高进给速度加工工件，以形成具有在纳秒范围内的持续时间的脉冲的粗略期望轮廓，从而导致激光熔融切割。随后，激光加工装置在第二工作模式下工作，产生脉冲持续时间在皮秒范围内的激光脉冲。在第二操作模式中，第二激光头通过光学扫描器系统激活，并将激光脉冲引导到工件表面上的二维脉冲区域上，通过激光烧蚀实现材料去除。

3. 发明申请

US20170113304A1 PROCESS TO PRODUCE A WORKPIECE SURFACE ON A ROD-SHAPED WORKPIECE 审中-公开
公开(公告)号：US20170113304A1
公开(公告)日：2017-04-27
申请号：US15399850
申请日：2017-01-06
申请人： EWAG AG
发明人： CHRISTOPH PLUSS , BRUNO FREI , CLAUS DOLD , MAXIMILIAN WARHANEK , CHRISTIAN WALTER
IPC分类号： B23K26/364 , B23K26/40 , B23K26/082 , B23K26/0622 , B23K26/08
摘要： A process to produce a workpiece surface or a groove inner surface on a rod-shaped, especially cylindrical workpiece. From the workpiece, a rotary tool is supposed to be produced. The material removal is done using laser beam pulses, which are directed through a deflection device onto points of incidence within a pulse area with a specified outside contour on the workpiece. Multiple machine axis drives position the workpiece and the deflection device relative to one another so that the pulse area is oriented essentially at right angles to the emission direction of the laser beam pulses and at right angles to the section of the tool surface that has already been produced and that borders the pulse area. While the material is being removed, the at least one machine axis drive moves the pulse area relative to the workpiece along a specified path of motion while maintaining the orientation.

4. 发明申请

US20150258632A1 LASER MACHINING DEVICE AND METHOD FOR MACHINING A WORKPIECE BY USING A LASER MACHINING DEVICE 有权
标题翻译：激光加工装置和使用激光加工装置加工工件的方法
公开(公告)号：US20150258632A1
公开(公告)日：2015-09-17
申请号：US14728024
申请日：2015-06-02
申请人： EWAG AG
发明人： CHRISTOPH PLUESS , CLAUS DOLD , GREGORY EBERLE
IPC分类号： B23K26/08 , B23K26/04 , B23K26/38
CPC分类号： B23K26/38 , B23K26/044 , B23K26/0622 , B23K26/082 , B23K26/0823 , B23K26/083 , B23K26/36 , B23K31/025 , B23K2101/20
摘要： The invention relates to a method and a laser machining device 10 for machining a workpiece 13. The laser machining device 10 has a laser 11 for generating a laser beam 12, which is deflected by way of a deflecting device 15 in accordance with a pattern defined by a control unit 14 and is directed onto a workpiece surface 17 of a workpiece 13, which surface is to be machined. The point of impingement 18 of the deflected laser beam 12b on the workpiece surface 17 is guided along at least one spiral path within a circular hatched area 16. The spiral path 19 is characterized by spiral path parameters. One spiral path parameter is the line spacing a between neighboring points of intersection P of the spiral path 19 with an axis running through the center point M of the spiral path 19.
摘要翻译：本发明涉及一种用于加工工件13的方法和激光加工装置10.激光加工装置10具有用于产生激光束12的激光器11，激光束12根据限定的图案被偏转装置15偏转通过控制单元14被引导到待加工表面的工件13的工件表面17上。偏转的激光束12b在工件表面17上的冲击点18沿圆形阴影区域16内的至少一个螺旋路径被引导。螺旋路径19的特征在于螺旋路径参数。一个螺旋路径参数是螺旋路径19的相邻交点P与穿过螺旋路径19的中心点M的轴线之间的线间距a。

5. 发明授权

US10695869B2 Process to produce a workpiece surface on a rod-shaped workpiece 有权
公开(公告)号：US10695869B2
公开(公告)日：2020-06-30
申请号：US15399850
申请日：2017-01-06
申请人： EWAG AG
发明人： Christoph Pluss , Bruno Frei , Claus Dold , Maximilian Warhanek , Christian Walter
IPC分类号： B23K26/364 , B23K26/0622 , B23K26/08 , B23K26/40 , B23K26/082 , B23K101/20 , B23K103/18
摘要： A process to produce a workpiece surface or a groove inner surface on a rod-shaped, especially cylindrical workpiece. From the workpiece, a rotary tool is supposed to be produced. The material removal is done using laser beam pulses, which are directed through a deflection device onto points of incidence within a pulse area with a specified outside contour on the workpiece. Multiple machine axis drives position the workpiece and the deflection device relative to one another so that the pulse area is oriented essentially at right angles to the emission direction of the laser beam pulses and at right angles to the section of the tool surface that has already been produced and that borders the pulse area. While the material is being removed, the at least one machine axis drive moves the pulse area relative to the workpiece along a specified path of motion while maintaining the orientation.

6. 发明授权

US08969758B2 Laser machining apparatus and method for forming a surface on an unfinished product 有权
标题翻译：激光加工装置及在未成品上形成表面的方法
公开(公告)号：US08969758B2
公开(公告)日：2015-03-03
申请号：US12925398
申请日：2010-10-20
申请人： Gerhard Brunner , Urs Hunziker , Roland Friederich , Heinrich Mushardt
发明人： Gerhard Brunner , Urs Hunziker , Roland Friederich , Heinrich Mushardt
IPC分类号： B23K26/38 , B23K26/36 , B23K26/08
CPC分类号： B23K26/36 , B23K26/0823 , B23K26/083 , B23K26/0876
摘要： A method and apparatus for the laser machining of an unfinished object into a cutting tool with a cutting edge and a free surface. A laser generates laser beam impulses which are directed by a redirecting arrangement onto a surface of the unfinished object. An impulse reaches an impact location on the surface of the unfinished object under an inclination angle between the laser beam direction (R) of the impulse and the surface to be formed. The redirecting arrangement is controlled so that the laser beam impulses impact at adjacent impact locations and form a pulse zone. With a positioning arrangement a relative movement between the pulse zone and the unfinished object of predetermined speed is established so that the pulse zone formed by the impact locations moves along the surface of the unfinished object and an ablation layer of a layer thickness (dS) is removed with each contour pass.
摘要翻译：一种用于将未完成物体激光加工成具有切割边缘和自由表面的切割工具的方法和装置。激光器产生由重定向装置引导到未完成物体的表面上的激光束脉冲。在脉冲的激光束方向（R）和要形成的表面之间的倾斜角度下，脉冲到达未完成物体的表面上的冲击位置。控制重定向装置使得激光束在相邻冲击位置处冲击冲击并形成脉冲区域。利用定位装置，建立脉冲区域和预定速度的未完成物体之间的相对运动，使得由冲击位置形成的脉冲区域沿着未完成物体的表面移动，层厚度（dS）的消融层为每轮廓通过去除。

7. 发明授权

US08872065B2 Laser machining apparatus and method for the manufacture of a rotationally symmetrical tool 有权
标题翻译：用于制造旋转对称工具的激光加工装置和方法
公开(公告)号：US08872065B2
公开(公告)日：2014-10-28
申请号：US13065041
申请日：2011-03-11
申请人： Christoph Pluss
发明人： Christoph Pluss
IPC分类号： B23K26/00 , B23K26/08 , B23K26/06
CPC分类号： B23K26/082 , B23K26/0622 , B23K26/0823 , B23K26/36 , B23K2101/002
摘要： A method and an apparatus for the manufacture of a tool from a blank, such as, a rotational tool which rotates about a longitudinal axis (L) which includes at least one cutting edge and a chip groove. Preferably, the rotational tool is in its operating area in a cross-section thereof radially symmetrical with respect to it's longitudinal axis (L) and manufactured from a cylindrical blank by laser ablation using a laser machining apparatus with a laser scanner with a predetermined pulse area. The laser beam impulses are directed via a positioning arrangement within the pulse area onto a plurality of impact locations disposed along a predetermined pulse path (B). This pulse area is moved, like a tool, along the surface of the blank to form the chip groove and the cutting edge by sublimation of the material.
摘要翻译：一种用于从坯料制造工具的方法和装置，例如围绕包括至少一个切削刃和切屑槽的纵向轴线（L）旋转的旋转工具。优选地，旋转工具在其操作区域中在其相对于其纵向轴线（L）的径向对称的横截面中，并且通过使用具有预定脉冲面积的激光扫描仪的激光加工设备的激光烧蚀由圆柱形坯料制造。激光束脉冲通过脉冲区域内的定位装置被引导到沿预定脉冲路径（B）设置的多个冲击位置上。该脉冲区域沿着坯料的表面像工具一样移动以通过材料的升华形成切屑槽和切削刃。

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