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公开(公告)号：US5856993A
公开(公告)日：1999-01-05
申请号：US995942
申请日：1997-12-22
申请人： Takuma Katoh , Hidehiko Karasaki , Hitoshi Hongu
发明人： Takuma Katoh , Hidehiko Karasaki , Hitoshi Hongu
CPC分类号： H01S3/036 , H01S3/0346
摘要： A gas laser oscillator has at least a partial reflection unit and a total reflection unit, each of which comprises an extension unit for connecting between a gas introducing unit and a fixed block unit. The gas introducing unit has a gas inlet port for circulating laser gas in a laser tube, and the fixed block unit is provided for fixing a reflector. A gas inlet port of the gas introducing unit is arranged with a predetermined interval of 120 mm or more so that the reflectors are free from contamination by floating powders and deterioration by ultraviolet lays.
摘要翻译： 气体激光振荡器至少具有局部反射单元和全反射单元，每个反射单元包括用于连接气体引入单元和固定块单元的延伸单元。 气体引入单元具有用于在激光管中循环激光气体的气体入口，并且固定块单元用于固定反射器。 气体导入单元的气体入口以120mm或更大的预定间隔布置，使得反射器不受浮粉的污染和紫外线的劣化。
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公开(公告)号：US20090184096A1
公开(公告)日：2009-07-23
申请号：US11597062
申请日：2006-07-13
IPC分类号： B23K26/38
CPC分类号： B23K26/0736 , B23K26/0613 , B23K26/0853
摘要： A laser machining apparatus includes a laser generator for generating a laser beam and a driver unit for moving the laser beam relatively with respect to a workpiece as to emit the laser beam on the workpiece. The laser beam includes plural laser pulses. The laser pulses have spots each having a longitudinal direction. The driver unit moves the laser beam in the longitudinal direction relatively with respect to the workpiece so that the spots overlap each other. This laser machining apparatus can process the workpiece at high quality and high productivity.
摘要翻译： 激光加工装置包括用于产生激光束的激光发生器和用于相对于工件移动激光束以在工件上发射激光束的驱动单元。 激光束包括多个激光脉冲。 激光脉冲具有各自具有纵向方向的点。 驱动器单元相对于工件沿纵向方向移动激光束，使得光斑彼此重叠。 该激光加工装置可以高质量和高生产率加工工件。
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公开(公告)号：US07130324B2
公开(公告)日：2006-10-31
申请号：US10500725
申请日：2003-09-11
摘要： A gas laser oscillator achieving a substantial increase in laser output is provided. This gas laser oscillator includes a permeable screen plate at a position of a laser gas passage and can increase the laser output substantially by suppressing and uniformizing laser gas pulsation in a discharge tube.
摘要翻译： 提供了实现激光输出实质性增加的气体激光振荡器。 该气体激光振荡器包括在激光气体通路的位置处的可渗透筛板，并且可以通过抑制和均匀化放电管中的激光气体脉动来增加激光输出。
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公开(公告)号：US06768761B2
公开(公告)日：2004-07-27
申请号：US09795084
申请日：2001-03-01
IPC分类号： H01S3223
CPC分类号： H01S3/036
摘要： A gas laser oscillator comprising a laser gas pressure controller for controlling the pressure of laser gas in laser gas chamber to be constant, an electromagnetic valve for supplying laser gas into the laser gas chamber from a gas bottle so that the laser gas within the laser gas chamber is maintained constant, detection means for detecting that the cycle period of open/close actions of the electromagnetic valve became longer than a reference value, and an alarm display controller which issues an alarm. In a gas laser oscillator of the present invention, even such a micro vacuum leak that hardly ill-affects the laser output can be detected with ease while the gas laser oscillator is in operation. This makes it possible to apply an appropriate maintenance work beforehand on the vacuum seal. Thus, reliable gas laser oscillators can be offered in accordance with the present invention.
摘要翻译： 气体激光振荡器包括用于控制激光气室中的激光气体的压力恒定的激光气体压力控制器，用于从气瓶向激光气体室供应激光气体的电磁阀，使激光气体内的激光气体 检测装置，用于检测电磁阀的打开/关闭动作周期何时变得比参考值长;以及发出报警的报警显示控制器。 在本发明的气体激光振荡器中，即使在气体激光振荡器工作的情况下也能够容易地检测出几乎不影响激光输出的这样的微真空泄漏。 这样可以预先在真空密封上进行适当的维护工作。 因此，可以根据本发明提供可靠的气体激光振荡器。
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5.发明授权
公开(公告)号：US5351265A
公开(公告)日：1994-09-27
申请号：US156977
申请日：1993-11-24
申请人： Hitoshi Hongu
发明人： Hitoshi Hongu
摘要： A gas laser oscillator has two discharge tube columns, both ends of which are connected by a bending unit, wherein each column comprises two discharge tubes connected in series. At the opposite ends of the bending unit, one column has a total-reflection mirror, and the other column has a partial-reflection mirror. These discharge tubes, the bending unit, the total-reflection mirror, and the partial-reflection mirror are mounted to a single optical bench. Each end of the discharge tubes is fixed to the optical bench by a clamp. When counted from the clamp nearest to the partial-reflection mirror, the first clamp, the fourth clamp, and the eighth clamp are non-movable with respect to the optical bench, while the remaining clamps are movable, and thus adjustable. One total-reflection mirror unit of the two total-reflection mirror units on the bending unit is non-movable, and the other total-reflection mirror unit is movable.
摘要翻译： 气体激光振荡器具有两个放电管柱，其两端通过弯曲单元连接，其中每列包括串联连接的两个放电管。 在弯曲单元的相对端，一列具有全反射镜，另一列具有部分反射镜。 这些放电管，弯曲单元，全反射镜和部分反射镜安装在单个光学台上。 放电管的每一端通过夹具固定在光学工作台上。 当从最靠近部分反射镜的夹具计数时，第一夹具，第四夹具和第八夹具相对于光学台不能移动，而剩余的夹具是可移动的，因此可调节。 弯曲单元上的两个全反射镜单元的一个全反射镜单元是不可移动的，另一个全反射镜单元是可移动的。
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公开(公告)号：US10050402B2
公开(公告)日：2018-08-14
申请号：US13511024
申请日：2010-11-17
IPC分类号： B23H1/00 , H01S3/036 , F04D29/063 , F04D17/16 , F04D27/00
摘要： A gas laser oscillation device of the present invention including a blower unit having a rotating part that rotates, which includes an impeller, a rotating shaft, a motor rotor and a portion of bearings that are brought into contact with the rotating shaft, and a non-rotating part that does not rotate, which includes a motor stator, a casing and a portion of the bearings that are brought into contact with the casing. Two bearings are disposed between the rotating part and the non-rotating part. A grease supply mechanism that supplies grease to each of the two bearings is provided. A control unit drives the blower unit at a rotation rate lower than a rotation rate when a laser is output, after grease is supplied from the grease supply mechanism to the two bearings.
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公开(公告)号：US20140105237A1
公开(公告)日：2014-04-17
申请号：US13981312
申请日：2013-01-17
IPC分类号： H01S3/036
摘要： The gas laser oscillator apparatus of the present invention has laser gas sealed in a vacuum chamber under a decompressed condition lower than atmospheric pressure; a discharge means for exciting the laser gas; a blower means for blowing the laser gas; a laser-gas flow passage as a circulation passage of the laser gas between the discharge means and the blower means; and a gas compression means for discharging a predetermined amount of the laser gas from the laser-gas flow passage. The gas decompression means is structured on the application of Bernoulli's principle. The gas decompression means has a sequence for decreasing the ratio of air mixed into the laser gas below a predetermined level with use of a part of pressurized gas used in a laser processing machine or the gas laser oscillator apparatus.
摘要翻译： 本发明的气体激光振荡器装置在低于大气压的减压条件下将激光气体密封在真空室中; 用于激发激光气体的放电装置; 用于吹送激光气体的鼓风机装置; 作为激光气体在排出装置和送风装置之间的循环通道的激光气体流路; 以及用于从激光气体流路排出预定量的激光气体的气体压缩装置。 气体减压装置是根据伯努利原则的结构而构成的。 气体减压装置具有使用激光加工机或气体激光振荡器装置中使用的一部分加压气体将混入激光气体的空气比例降低到预定水平的顺序。
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公开(公告)号：US06895030B1
公开(公告)日：2005-05-17
申请号：US10048226
申请日：2000-05-30
IPC分类号： H01S3/03 , H01S3/034 , H01S3/036 , H01S3/038 , H01S3/07 , H01S3/08 , H01S3/086 , H01S3/22 , H01S3/223
摘要： A support unit (20a) for supporting an OPM holder (15a) so as to be vertical to the laser beam axis is disposed in the lower part of the OPM holder (15a). A rotary shaft (19) is inserted into the support unit (20a) and rotary shaft support unit (20b), and the OPM holder (15a) and DT base (17) are assembled together. Thus, a rotation support unit (200) is composed. The rotation support unit has a degree of freedom in the rotating direction of arrow (202). On the other hand, in the lower part of an RM holder (15b), a support bar (21) is provided. At the DT base (17), a rotating element (22) and a rotating element support unit (23) supporting the rotating element are composed so as to support the support bar. Thus, a slider structure (220) slidable in the optical axis direction is formed. The slider structure has a degree of freedom in the direction of arrow (222).
摘要翻译： 用于支撑OPM保持器（15a）以与激光束轴线垂直的支撑单元（20a）被布置在OPM保持器（15a）的下部。 旋转轴（19）插入到支撑单元（20a）和旋转轴支撑单元（20b）中，并且OPM保持器（15a）和DT基座（17）组装在一起。 因此，构成旋转支撑单元（200）。 旋转支撑单元具有沿箭头（202）的旋转方向的自由度。 另一方面，在RM保持器（15b）的下部设有支撑杆（21）。 在DT基座（17）上，支撑旋转元件的旋转元件（22）和旋转元件支撑单元（23）构成为支撑支撑杆。 因此，形成可沿光轴方向滑动的滑块结构（220）。 滑块结构具有沿箭头（222）的方向的自由度。
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公开(公告)号：US06208676B1
公开(公告)日：2001-03-27
申请号：US09340996
申请日：1999-06-28
申请人： Hitoshi Hongu
发明人： Hitoshi Hongu
IPC分类号： H01S303
CPC分类号： H01S3/134 , H01S3/0346 , H01S3/036 , H01S3/073
摘要： The gas laser oscillator having metal housings disposed near internal mirrors of the resonator for covering, for example, the external of connecting tubes partially or totally, means for detecting the micro discharge current flowing inside of the connecting tubes near the internal mirrors of the resonator, and a control circuit for controlling energy to be supplied into discharge tubes by comparing output signals output from the means for detecting the micro discharge current with reference signals. The gas laser oscillator prevents the micro discharge current from flowing in laser gas inside of the connecting tubes, thereby preventing degradation of a total reflection mirror and a partial reflection mirror defining the internal mirrors of the resonator.
摘要翻译： 气体激光振荡器具有设置在谐振器的内反射镜附近的金属壳体，其部分或全部覆盖例如连接管的外部，用于检测在谐振器的内部反射镜附近的连接管内部流过的微放电电流的装置， 以及控制电路，用于通过比较从用于检测微放电电流的装置输出的输出信号与参考信号来控制供给到放电管中的能量。 气体激光振荡器防止微型放电电流在连接管内部的激光气体中流动，从而防止全反射镜和限定谐振器的内反射镜的部分反射镜的劣化。
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公开(公告)号：US07580439B2
公开(公告)日：2009-08-25
申请号：US10576688
申请日：2005-09-20
IPC分类号： H01S3/22
CPC分类号： H01S3/036
摘要： A gas laser oscillator appropriately detecting a clogging of a laying pipe of a sub ejection apparatus is disclosed. The gas laser oscillator according to the present invention includes a laser gas flow pipe, a driving part, a divide wall, a main ejection apparatus, a sub ejection apparatus, a detect portion, and a clogged laying pipe judge part. The laser gas flow pipe constitutes a circulating route of the laser gas. The driving part drives the air blower for blowing the laser gas. The divide wall separates the air blower and the driving part. The main ejection apparatus has a valve, and ejects laser gas from the laser gas flow pipe. The sub ejection apparatus ejects laser gas from the driving part. The detector detects an amount of laser gas ejected from the main ejection apparatus and the sub ejection apparatus. The clogged laying pipe judge part judges that the laying pipe of the sub ejection apparatus is clogged when an amount of ejected laser gas measured at a time the valve of the main ejection apparatus is closed is lower than a predetermined value.
摘要翻译： 公开了一种适当地检测副喷射装置的铺设管的堵塞的气体激光振荡器。 根据本发明的气体激光振荡器包括激光气体流动管，驱动部分，分隔壁，主喷射装置，副喷射装置，检测部分和堵塞的放置管判断部分。 激光气体流动管构成激光气体的循环路径。 驱动部件驱动用于吹送激光气体的鼓风机。 分隔壁将鼓风机和驱动部分分开。 主喷射装置具有阀，并且从激光气体流管喷出激光气体。 副喷射装置从驱动部喷射激光气体。 检测器检测从主喷射装置和副喷射装置喷射的激光气体的量。 当在主喷射装置的阀关闭时测量的喷射激光气体的量低于预定值时，堵塞的铺管管判断部分判断副喷射装置的放置管堵塞。
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