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    • 2. 发明专利
    • レーザ熱処理装置
    • 激光热处理装置
    • JP2015024426A
    • 2015-02-05
    • JP2013155634
    • 2013-07-26
    • エンシュウ株式会社Enshu Ltd武二 新井Takeji Arai武二 新井
    • ARAI TAKEJIFUJITA YASUHIROKATO TAKAYUKIHARADA HIROFUMI
    • B23K26/064B23K26/08C21D1/09C21D1/34
    • 【課題】幅広い材質や形状の被加工物に対してレーザ光による加工を行うことができるレーザ加工装置を提供する。【解決手段】レーザ加工装置100は、図示X軸方向に沿って4つのレーザ出射ユニット110が配置された一組のレーザ出射ユニット群114を図示Y軸方向に2つ並列配置して構成されている。二組のレーザ出射ユニット群114をそれぞれ構成する各4つのレーザ光出射ユニット110は、被加工物WKの表面に形成する光スポットSPの位置を図示X軸方向に変更可能に支持する支持ユニット115によってそれぞれ支持されている。被加工物WKを支持するテーブル101は、送り装置102によって図示X軸方向に変位可能に支持されている。レーザ加工装置100は、各レーザ出射ユニット110からレーザ光Lを出射させた状態でテーブル101を図示X軸方向に変位させることによって加工対象箇所に4つの光スポットSPを順次照射させる。【選択図】図1
    • 要解决的问题:提供一种激光加工装置,其能够通过激光束对由具有宽的宽度和形状的材料形成的工件进行处理。解决方案:激光加工装置100被配置为使得两组激光发射单元组114 其中沿图中的X轴方向设置的四个激光发射单元110沿图中的Y轴方向平行设置。 形成两组激光发射单元组114的相应的四个激光束发射单元110由支撑单元115支撑,用于支撑在能够在X中变化的状态下在工件WK的表面上形成的光点SP的位置 方向在图中。 用于支撑工件WK的工作台101以能够使工作台移动到图中的X轴方向的状态由供给装置102支撑。 激光加工装置100使得台101在从激光发射单元110发射激光束L的状态下在图中的X轴方向上移位,以便在作为处理目标的部分上顺序地辐射四个光点SP 。
    • 5. 发明专利
    • Laser beam machining head and laser beam machining method
    • 激光束加工头和激光束加工方法
    • JP2008114275A
    • 2008-05-22
    • JP2006301779
    • 2006-11-07
    • Takeji AraiTokyu Car Corp武二 新井東急車輛製造株式会社
    • ARAI TAKEJI
    • B23K26/06B23K26/14
    • PROBLEM TO BE SOLVED: To provide a laser beam machining head capable of easily and finely adjusting the injection pressure of a laser beam machining gas, and to provide a laser beam machining method.
      SOLUTION: The laser beam machining head 1 comprises a nozzle part 10 and flow passages 20, 22. When a dry air GB is fed to the flow passages 20, 22, the dry air GB flows in the flow passages 20, 22 to generate the negative pressure. An inner chamber 11 of the nozzle part 10 is communicated with middle portions of the flow passages 20, 22 via communication passages 32, 34, and a shield gas GA in the inner chamber 11 is sucked into the flow passages 20, 22 by the generated negative pressure. As a result, the injection pressure of the shield gas GA at an injection nozzle 12 is dropped. When the flow passage of the dry air GB is changed, the volume of the shield gas GA sucked into the flow passages 20, 22 can be changed, and the injection pressure of the shield gas GA at the injection nozzle 12 can be changed.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种能够容易且精细地调节激光束加工气体的注射压力的激光加工头,并提供激光束加工方法。 解决方案:激光加工头1包括喷嘴部分10和流动通道20,22。当干燥空气GB被供给到流动通道20,22时,干燥空气GB在流动通道20,22中流动 产生负压。 喷嘴部10的内部室11经由连通路32,34与流路20,22的中间部连通,内部室11内的保护气体GA通过产生的流路20,22被吸入流路20,22。 负压。 结果,喷射喷嘴12处的保护气体GA的喷射压力下降。 当干燥空气GB的流路改变时,可以改变吸入流路20,22的保护气体GA的体积,能够改变注入喷嘴12的保护气体GA的喷射压力。 版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Laser beam welding apparatus and laser beam welding method
    • 激光束焊接装置和激光束焊接方法
    • JP2008114276A
    • 2008-05-22
    • JP2006301787
    • 2006-11-07
    • Takeji AraiTokyu Car Corp武二 新井東急車輛製造株式会社
    • ARAI TAKEJI
    • B23K26/067B23K26/06B23K26/20
    • PROBLEM TO BE SOLVED: To provide a laser beam welding apparatus and a laser beam welding method capable of reducing the surface roughness of a weld bead. SOLUTION: The laser beam welding apparatus is provided with a welding head 1. The welding head 1 applies the first laser beam L1 to a workpiece W to be welded to form a molten pool M, and applies the second laser beam L2 to the molten pool M. By applying the second laser beam L2, the molten pool M which is being solidified after the forming can be re-melted. Since the quantity of the second laser beam L2 is smaller than that of the first laser beam, only a portion relatively close to the surface out of the molten pool M can be re-melted. Accordingly, since the welding head 1 is movable in the direction of an arrow A, the surface shape of the molten pool M can be continuously trimmed without affecting a depth direction. Thus, a weld bead having a smooth surface can be formed. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供能够降低焊道表面粗糙度的激光束焊接装置和激光束焊接方法。

      解决方案:激光束焊接装置设置有焊接头1.焊接头1将第一激光束L1施加到待焊接的工件W上以形成熔池M,并将第二激光束L2施加到 通过施加第二激光束L2,可以再次熔化在成形后被固化的熔池M. 由于第二激光束L2的量小于第一激光束的量,所以只有相对靠近熔池M的表面的部分再熔化。 因此,由于焊接头1能够沿箭头A的方向移动,所以可以不影响深度方向来连续地修整熔池M的表面形状。 因此,可以形成具有光滑表面的焊道。 版权所有(C)2008,JPO&INPIT

    • 7. 发明专利
    • Laser beam machining apparatus and laser beam machining control program
    • 激光束加工设备和激光束加工控制程序
    • JP2005262260A
    • 2005-09-29
    • JP2004077207
    • 2004-03-17
    • Takeji AraiKimio Komata公夫 小俣武二 新井
    • ARAI TAKEJIKOMATA KIMIO
    • G02B26/10B23K26/00B23K26/06B23K26/08
    • PROBLEM TO BE SOLVED: To provide a laser beam machining apparatus or the like capable of continuously and finely machining a certain area of a required material with extremely high machining accuracy. SOLUTION: The laser beam machining apparatus is equipped with an oscillator 1 which emits a laser beam B for machining, a galvanomirror 3 which is for correcting the irradiation position in a Y direction on a workpiece 8 to be machined by the laser beam B, and reflects the laser beam B to irradiate a polygon mirror 4 with the laser beam, the polygon mirror 4 which scans the laser beam B reflected by the galvanomirror 3 in an X direction on the polygon mirror 4, an fθlens 5 which condenses the laser beam B reflected at the polygon mirror 4 onto the workpiece 8, and a control section PC which controls the reflection angle of the laser beam B at the galvanomirror 3 so as to compensate the irradiation position error in the Y direction of the laser beam B with respect to the workpiece 8 in correspondence to the distortion aberration generated in the laser beam B past the fθlens 5 due to the passage of the laser beam B through the lens and controls the pulse oscillation intervals of the laser beam B in the oscillator 1 so as to compensate the irradiation position error in the X direction of the laser beam B with respect to the workpiece 8 in correspondence to the distortion aberration. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供能够以极高的加工精度连续精细地加工所需材料的某一区域的激光束加工装置等。

      解决方案:激光束加工装置配备有发射用于加工的激光束B的振荡器1,用于校正工件8上的Y方向的照射位置的电流镜3,以被激光束加工 B,并且反射激光束B以激光束照射多面镜4,多角镜4,其在多面镜4上沿X方向扫描由电流镜3反射的激光束B;fθlens5,其将 在多面反射镜4上反射到工件8上的激光束B和控制部分PC,其控制激光束B在电流镜镜3处的反射角度,以补偿激光束B的Y方向上的照射位置误差 对应于通过激光束B通过透镜的激光束B中产生的畸变像差的工件8,并且控制脉冲振荡间隔 激光束B在振荡器1中,以便相应于畸变像差补偿激光束B相对于工件8的X方向的照射位置误差。 版权所有(C)2005,JPO&NCIPI

    • 8. 发明专利
    • Laser beam machining method
    • 激光束加工方法
    • JP2006026726A
    • 2006-02-02
    • JP2004213555
    • 2004-07-21
    • Takeji Arai武二 新井
    • ARAI TAKEJI
    • B23K26/06
    • B23K26/066
    • PROBLEM TO BE SOLVED: To provide a laser beam machining method for instantaneously performing flattening work to the surface to be worked. SOLUTION: Laser beams in an infrared region and an ultraviolet region are oscillated from a laser oscillator 2, the laser beams are passed through a diffraction optical element 10 provided with an image forming face 5 with diffraction gratings formed, and the passed laser beams are condensed by lenses 4, 11, 12, so that the reduction of the image is freely performed. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种用于对待加工表面进行平坦化作业的激光束加工方法。 解决方案:红外区域和紫外区域的激光束从激光振荡器2振荡,激光束通过形成有衍射光栅的具有图像形成面5的衍射光学元件10,并且通过的激光 光束被透镜4,11,12聚光,从而可以自由地进行图像的缩小。 版权所有(C)2006,JPO&NCIPI