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    Laser machining apparatus and laser machining method
    21.
    发明专利
    Laser machining apparatus and laser machining method 有权
    激光加工设备和激光加工方法

    公开(公告)号：JP2013052403A

    公开(公告)日：2013-03-21

    申请号：JP2011190858

    申请日：2011-09-01

    Applicant: Toyota Central R&D Labs Inc ,  株式会社豊田中央研究所 ,  Toyota Motor Corp ,  トヨタ自動車株式会社

    Inventor： HASEGAWA KAZUO ,  TOYODA CHIE ,  SATO AKIO ,  YOSHIDA MITSUTAKA ,  OKUNO TOMOYA

    IPC: B23K26/38 ,  B23K26/00 ,  B23K26/06

    Abstract: PROBLEM TO BE SOLVED: To provide a laser machining apparatus that can form a reverse-tapered through-hole using a simple optical system without using a movable part that is mechanically rotated.SOLUTION: The apparatus sets a first position a, a second position b, and a third position c in this order toward the propagation direction of a laser beam 22 for machining according to the thickness of an object 20 to be machined and an opening diameter of a through-hole 20 to be formed. The outer diameter of the laser beam 22 for machining expands from the first position a to the third position c toward the propagation direction, and the inner diameter of the laser beam 22 for machining expands from the second position b to the third position c toward the propagation direction, so that the outer and inner diameters of the laser beam 22 for machining become maximum at the third position c, and a laser beam is deformed such that an image in circular is formed around the center of a light axis, thereby producing the laser beam 22 for machining. A through-hole 20C is formed on an object 20 to be machined by irradiating the object 20 placed between the first position a and the second position b with the laser beam 22 for machining.

    Abstract translation: 要解决的问题：提供一种激光加工装置，其可以使用简单的光学系统在不使用机械旋转的可移动部件的情况下形成反锥形通孔。 解决方案：该装置按照要加工的物体20的厚度的激光束22的传播方向依次设置第一位置a，第二位置b和第三位置c，并且 要形成的通孔20的开口直径。 用于加工的激光束22的外径从第一位置a向第三位置c朝向传播方向膨胀，并且用于加工的激光束22的内径从第二位置b扩展到第三位置c朝向 传播方向，使得用于加工的激光束22的外径和内径在第三位置c处变得最大，并且激光束变形，使得围绕光轴的中心形成圆形图像，从而产生 用于加工的激光束22。 通过用放置在第一位置a和第二位置b之间的物体20与用于机械加工的激光束22照射在待加工物体20上的通孔20C。 版权所有（C）2013，JPO＆INPIT

    Variable vibration isolation system
    22.
    发明专利
    Variable vibration isolation system 审中-公开
    可变振动隔离系统

    公开(公告)号：JP2010116960A

    公开(公告)日：2010-05-27

    申请号：JP2008289623

    申请日：2008-11-12

    Applicant: Toyota Motor Corp ,  トヨタ自動車株式会社

    Inventor： SATO AKIO

    IPC: F16F15/02 ,  F16F15/04

    Abstract: PROBLEM TO BE SOLVED: To execute an appropriate vibration control as a variable vibration isolation system in response to a loading condition even though a condition for loading or transporting parts is changed.
    SOLUTION: The variable vibration isolation system 10 includes a vibration isolation mechanism 20 which is arranged between a floor 8 and part container body 14 allowing part 12 to be mounted thereon and which contains a spring aggregate having a plurality of spring bodies with different spring constants, a measurement part 16 for measuring the vibration acceleration of the floor 8 and a control part 30. The control part 30 specifies a vibration isolation frequency through the frequency-analysis of measured vibration acceleration and calculates a vibration isolation spring constant corresponding to the vibration isolation frequency on the basis of mass m
    1 of the part container body 14 and mass m
    2 of the part 12 to acquire a connection relationship between a plurality of spring bodies so as to make a total spring constant between the floor 8 and a part container body 14 to become the vibration isolation spring constant. The total spring constant between the floor 8 and part container body 14 is changed to the vibration control spring constant through the change of the connection relationship between respective spring bodies.
    COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：即使改变装载或运输部件的条件，也可以响应于装载条件，作为可变隔振系统执行适当的振动控制。 解决方案：可变隔振系统10包括隔离机构20，该隔振机构20布置在地板8和部分容器主体14之间，允许部件12安装在其上并且包含具有多个具有不同的弹簧体的弹簧组件 弹簧常数，用于测量地板8的振动加速度的测量部分16和控制部分30.控制部分30通过测量的振动加速度的频率分析来指定振动隔离频率，并且计算对应于 基于部件容器主体14的质量m 1 的振动隔离频率和部件12的质量m 2 ，以获得多个弹簧体之间的连接关系 以使地板8和部件容器本体14之间的总弹簧常数成为隔振弹簧常数。 地板8和部分容器主体14之间的总弹簧常数通过各弹簧体之间的连接关系的变化而变为振动控制弹簧的常数。 版权所有（C）2010，JPO＆INPIT

    Quenching method and quenching system with the use of energy beam
    24.
    发明专利
    Quenching method and quenching system with the use of energy beam 有权
    使用能量束的淬火方法和淬火系统

    公开(公告)号：JP2010047789A

    公开(公告)日：2010-03-04

    申请号：JP2008210958

    申请日：2008-08-19

    Applicant: Toyota Motor Corp ,  トヨタ自動車株式会社

    Inventor： SATO AKIO ,  YANAKA KOHEI

    IPC: C21D1/09 ,  B23K26/00 ,  B23K26/42 ,  B23K103/04

    Abstract: PROBLEM TO BE SOLVED: To provide a quenching method with the use of an energy beam, which can stabilize a quenching temperature of an object to be quenched by being irradiated with an energy beam such as a laser beam and can uniformly obtain an adequate quench-hardened layer having a stable quenched depth and hardness, even when there exists a dispersion of a shape, a surface quality and the like in objects to be quenched or even when the object to be quenched is quenched for the first time. SOLUTION: The quenching method includes: measuring a temperature of an irradiated portion while preliminarily irradiating a workpiece with a laser beam by scanning the beam in the same form as in a quenching operation and also scanning the beam of such a certain energy level that the temperature of the irradiated portion with the laser beam does not reach a predetermined transformation temperature, and thereby determining a correlation (graph G1) between the position of the workpiece and the preliminary irradiation temperature; calculating an anticipated temperature (graph G2) which varies depending on the position of the workpiece, by reflecting the correlation on the basis of the preliminary irradiation temperature, and previously determining such a quenching beam condition (graph G3) that the temperature of the irradiated portion can be a target quenching temperature T 0 ; and controlling a laser condition on the basis of the quenching beam condition. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：提供使用能量束的淬火方法，能量束可以通过用诸如激光束的能量束照射来稳定要淬火的物体的淬火温度，并且可以均匀地获得 即使当待淬火物体中的形状，表面质量等的分散体或甚至当被淬火物体第一次被淬火时，也具有稳定的骤冷深度和硬度的充分淬火硬化层。 解决方案：淬火方法包括：通过以与淬火操作相同的形式扫描光束，同时用激光束预先照射工件来测量照射部分的温度，并且还扫描具有一定能级的光束 激光束的照射部分的温度未达到预定的相变温度，从而确定工件的位置与初步照射温度之间的相关性（曲线图G1）; 通过基于预备照射温度反映相关性，并且预先确定这样的淬火光束条件（曲线图G3），计算照射部分的温度（图表G2），该预期温度（图形G2）根据工件的位置而变化， 可以是目标淬火温度T 0 ; 并根据淬火光束条件控制激光条件。 版权所有（C）2010，JPO＆INPIT

    Optical fiber for fiber laser, and fiber laser using the same
    25.
    发明专利
    Optical fiber for fiber laser, and fiber laser using the same 审中-公开
    光纤激光用光纤，使用该光纤激光

    公开(公告)号：JP2010003895A

    公开(公告)日：2010-01-07

    申请号：JP2008161642

    申请日：2008-06-20

    Applicant: Hitachi Cable Ltd ,  Toyota Gakuen ,  Toyota Motor Corp ,  トヨタ自動車株式会社 ,  学校法人トヨタ学園 ,  日立電線株式会社

    Inventor： YO HEI ,  OSONO KAZUMASA ,  HONGO AKISHI ,  SAITO KAZUYA ,  SATO AKIO ,  YANAKA KOHEI

    IPC: H01S3/06 ,  H01S3/094 ,  H01S3/10

    Abstract: PROBLEM TO BE SOLVED: To provide an optical fiber for a fiber laser having high quality and high optical output, and being capable of providing output light in a single mode, and to provide a fiber laser. SOLUTION: This optical fiber 11 for a fiber laser oscillating laser light by amplifying an excitation light comprises: an optical fiber 2, having a core with a rare-earth element added therein and a cladding formed around the core; and a mode filter 6 arranged at a tip part of the optical fiber 2. COPYRIGHT: (C)2010,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种具有高质量和高光输出的光纤激光器的光纤，并且能够以单一模式提供输出光并提供光纤激光器。 解决方案：用于通过放大激发光激发振荡激光的光纤激光光纤11包括：光纤2，其中添加有稀土元素的芯和围绕芯形成的包层; 以及布置在光纤2的尖端部分的模式滤波器6.版权所有（C）2010，JPO＆INPIT

    Laser beam condensing unit
    27.
    发明专利
    Laser beam condensing unit 审中-公开
    激光束冷凝单元

    公开(公告)号：JP2008203598A

    公开(公告)日：2008-09-04

    申请号：JP2007040435

    申请日：2007-02-21

    Applicant: Toyota Central R&D Labs Inc ,  Toyota Motor Corp ,  トヨタ自動車株式会社 ,  株式会社豊田中央研究所

    Inventor： ICHIKAWA TADASHI ,  HASEGAWA KAZUO ,  ITO HIROSHI ,  SATO AKIO

    IPC: G02B6/42 ,  G02B27/10

    Abstract: PROBLEM TO BE SOLVED: To provide a laser beam condensing unit that reduces manufacturing cost by reducing the number of components and also prevents beam quality from being degraded.
    SOLUTION: The laser beam condensing unit 10 is equipped with: a laser bar 12 that has a plurality of light emitting points 20 arranged in an array; and optical fibers 14 that are arranged in an array in a manner opposing the light emitting points 20 of the laser bar 12 and that have light incident parts 16 formed in a cylindrical lens shape, wherein laser beams emitted from the laser bar 12 are made incident on the light incident parts 16.
    COPYRIGHT: (C)2008,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种通过减少部件数量而降低制造成本并且还防止光束质量降低的激光束聚光单元。 解决方案：激光束聚光单元10配备有：激光棒12，其具有排列成阵列的多个发光点20; 以及以与激光棒12的发光点20相对的方式排列成阵列的光纤14，其具有以柱面透镜形状形成的光入射部16，其中激光棒12发射的激光束入射 在光线事件部分16。版权所有（C）2008，JPO＆INPIT

    Semiconductor laser light source
    29.
    发明专利
    Semiconductor laser light source 审中-公开
    半导体激光光源

    公开(公告)号：JP2005229060A

    公开(公告)日：2005-08-25

    申请号：JP2004038733

    申请日：2004-02-16

    Applicant: Toyota Central Res & Dev Lab Inc ,  Toyota Motor Corp ,  トヨタ自動車株式会社 ,  株式会社豊田中央研究所

    Inventor： SATO AKIO ,  SANPEI KAZUHISA ,  HASEGAWA KAZUO ,  MATSUBARA HIROYUKI ,  ICHIKAWA TADASHI ,  MAEDA MITSUTOSHI ,  ITO HIROSHI

    IPC: G02B6/42 ,  G02B6/122 ,  H01S5/14 ,  H01S5/22

    Abstract: PROBLEM TO BE SOLVED: To improve the output characteristic of a semiconductor laser light source obtained by combining a semiconductor laser array and an optical multiplexer. SOLUTION: In the semiconductor laser light source obtained by combining the semiconductor laser array 1 and the optical multiplexer 2, an optical resonator is constituted of a high reflection mirror 3 arranged on the opposite side to the outgoing end of the semiconductor laser array 1 and a reflection mirror 4 arranged on the outgoing end side of the optical multiplexer 2. COPYRIGHT: (C)2005,JPO&NCIPI

    Abstract translation: 要解决的问题：提高通过组合半导体激光器阵列和光复用器而获得的半导体激光光源的输出特性。 解决方案：在通过组合半导体激光器阵列1和光复用器2而获得的半导体激光光源中，光谐振器由布置在半导体激光器阵列的出射端的相对侧上的高反射镜3 1和反射镜4，布置在光复用器2的出射端侧。版权所有（C）2005，JPO＆NCIPI

    Rod type solid laser device
    30.
    发明专利
    Rod type solid laser device 有权
    ROD型固体激光器件

    公开(公告)号：JP2005167117A

    公开(公告)日：2005-06-23

    申请号：JP2003407010

    申请日：2003-12-05

    Applicant: Mitsubishi Electric Corp ,  Toyota Motor Corp ,  トヨタ自動車株式会社 ,  三菱電機株式会社

    Inventor： SANPEI KAZUHISA ,  SATO AKIO ,  MIKATA HIROSHIGE ,  KUBA KAZUKI ,  WATANABE TOSHIAKI ,  FUJIKAWA SHUICHI

    IPC: B23K26/00 ,  B23K26/06 ,  H01S3/00

    Abstract: PROBLEM TO BE SOLVED: To obtain a rod type solid laser device wherein the rate of its laser output beam guided to an optical fiber can be kept constant even when the thermal lens of its rod type solid laser medium is varied. SOLUTION: In the rod type solid laser device, a laser beam 5 is generated from a rod type solid laser medium 1 by using an optical resonator comprising a total reflecting mirror 3 and a partial reflecting mirror 4, focused by using a coupling lens 7, and guided to an optical fiber 9. The aperture diameter of an aperture 8 which restricts the diameter of the incident beam to the coupling lens 7 is made variable, and a controlling means 12 for controlling the aperture diameter is provided. COPYRIGHT: (C)2005,JPO&NCIPI

    Abstract translation: 要解决的问题为了获得杆状固体激光装置，其中即使当其杆式固体激光介质的热透镜变化时，其激光输出光束被引导到光纤的速率也可以保持恒定。 解决方案：在棒式固体激光装置中，通过使用包括全反射镜3和部分反射镜4的光学谐振器，通过使用耦合器聚焦的棒状固体激光介质1产生激光束5 透镜7被引导到光纤9.限制入射光束到耦合透镜7的直径的孔8的孔径是可变的，并且提供用于控制孔直径的控制装置12。 版权所有（C）2005，JPO＆NCIPI

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