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公开(公告)号：US20160207143A1
公开(公告)日：2016-07-21
申请号：US14599612
申请日：2015-01-19
发明人： Hongqiang CHEN , Steven Robert HAYASHI , Xi ZHANG
CPC分类号： B23K26/0648 , B23K26/048 , B23K26/0853 , B23K26/38 , B23K26/40 , B23K2103/00
摘要： A laser machining method includes directing, from an F-theta lens having a long focal length of greater than about 250 millimeters, a laser beam at a non-perpendicular beam tilt angle from an optical axis of the lens having a top-hat profile and a narrow beam divergence angle of between about 1 degree and about 3 degrees towards a workpiece on a stage movable in at least an X-direction and a Y-direction, engaging the directed laser beam with the workpiece disposed in the usable field of view, moving the workpiece and the directed laser beam relative to each other, and removing portions of the workpiece with the directed laser beam to define a machined surface.
摘要翻译： 激光加工方法包括从具有大于约250毫米的长焦距的F-theta透镜引导具有非垂直光束倾斜角的激光束，该激光束具有顶帽型材的透镜的光轴，并且 对于能够在至少X方向和Y方向上移动的台架上的工件的大约1度和大约3度之间的窄光束发散角，使得定向激光束与设置在可用视野中的工件接合， 相对于彼此移动工件和定向激光束，并且用定向激光束去除工件的部分以限定加工表面。
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公开(公告)号：US20180065200A1
公开(公告)日：2018-03-08
申请号：US15658855
申请日：2017-07-25
CPC分类号： B23H1/04 , B23H1/024 , B23H1/026 , B23H5/04 , B23H7/18 , B23H7/30 , B23H2500/00 , B65H35/00 , G05B2219/41029 , G05B2219/45221
摘要： An electrical machining method comprises machining a workpiece by an electrical machining device comprising an electrode; increasing a feedrate of the electrode at a first acceleration if a discharge current passing through the electrode and the workpiece is lower than a discharge current reference; and decreasing the feedrate of the electrode at a second acceleration if the discharge current is higher than the discharge current reference, wherein the second acceleration has an absolute value higher than that of the first acceleration.
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