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    Laser apparatus having ability to automically correct laser beam power
    1.
    发明公开
    Laser apparatus having ability to automically correct laser beam power 审中-公开
    Laservorrichtung mit Funktion zur automatischen Korrektur der Laserstrahlleistung

    公开(公告)号：EP1883139A1

    公开(公告)日：2008-01-30

    申请号：EP07014409.2

    申请日：2007-07-23

    申请人： Fanuc Ltd

    发明人： Egawa, Akira ,  Murakami, Takafumi ,  Nishio, Akihiko

    IPC分类号： H01S3/102 ,  H01S3/131 ,  B23K26/06

    CPC分类号： H01S3/102 ,  B23K26/0626 ,  B23K26/705 ,  H01S3/10069 ,  H01S3/131

    摘要： A laser apparatus including a laser oscillating section (12), electric power source (14), a laser-power measuring section (16) and a power-source controlling section (18). The power-source controlling section (18) includes a power-supply instructing section (20) instructing the power source to perform an electric-power supplying operation for the laser oscillating section in response to a laser-oscillation command value; and a function calculating section (22) determining, based on different laser-oscillation command values given to the power-supply instructing section and different laser-power measured values obtained by the laser-power measuring section, a function approximatively representing a correlation of the laser-power measured values relative to the laser-oscillation command values. The power-supply instructing section executes, after the function is determined, a correcting process for a laser-oscillation command value based on the function, and instructs the electric power source to perform the electric-power supplying operation in response to the corrected laser-oscillation command value.

    摘要翻译： 一种激光装置，包括激光振荡部分（12），电源（14），激光功率测量部分（16）和电源控制部分（18）。 电源控制部分（18）包括电源指示部分（20），其指示电源响应于激光振荡指令值对激光振荡部分执行电力供应操作; 以及函数计算部（22），基于给予所述电源指示部的不同的激光振荡指令值和由所述激光功率测量部获得的不同的激光功率测量值，确定近似表示所述激光功率测量部的相关性的函数 激光功率测量值相对于激光振荡指令值。 电源指示部根据该功能，执行功能确定后的激光振荡指令值的校正处理，并且指示电源响应于校正的激光振荡指令值进行电力供给操作， 振荡指令值。

    Laser unit having preparatory function for activating the unit and activation method for the unit
    3.
    发明公开
    Laser unit having preparatory function for activating the unit and activation method for the unit 有权
    与准备功能激光单元，其用于操作所述单元和操作程序为单位

    公开(公告)号：EP1981134A1

    公开(公告)日：2008-10-15

    申请号：EP08005779.7

    申请日：2008-03-27

    申请人： FANUC LTD

    发明人： Nishikawa, Yuji ,  Murakami, Takafumi ,  Nishio, Akihiko

    IPC分类号： H01S3/134 ,  H01S3/104 ,  H01S3/00

    CPC分类号： H01S3/134 ,  H01S3/0014 ,  H01S3/005 ,  H01S3/10069 ,  H01S3/1028 ,  H01S3/104 ,  H01S3/1305 ,  H01S3/1317

    摘要： A laser unit having a preparatory function for activating the unit and an activation method for the unit, capable of stabilizing the temperature of each component of the laser unit in the preparation stage when the laser unit is activated in a low-temperature or high-temperature environment, and then effectively judging completion of the preparation. During a period of time Ta from T1 to T2, a first trial of laser oscillation is performed. After a period of time Tb in which the laser is not oscillated, a second trial of laser oscillation from T3 to T4. Such an operation is repeated until a predetermined criterion is satisfied. Laser output values P2, P4, P6, .., at the last moment in each trial of laser oscillation are recorded. Then, each difference between the laser outputs at the last moments of two neighboring or continuous trials, is calculated. When the difference is lower than a predetermined criterion value, the preparation of the laser unit is judged to be completed.

    摘要翻译： 具有用于激活单元和用于该单元中，能够当激光单元在低温或高温被激活稳定在准备阶段的激光单元的每个部件的温度的活化方法的准备功能的激光单元 环境，然后有效地判断准备完成。 的期间时间Ta从T1到T2的，进行激光振荡的第一个试验。 经过一段时间Tb的，其中该激光不振荡，激光振荡的从T3到T4进行第二次实验。 重复上运行搜索，直到预定条件满足。 激光输出值P2，P4，P6，...，在激光振荡的每个试验中的力矩载荷被记录。 然后，在两个相邻或连续的试验负载力矩的激光输出之间的每个差，被计算。 当该差值大于预定标准值的情况下，所述激光单元的制备被判断为完成。