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    • 2. 发明申请
    • LASER MACHINING APPARATUS AND LASER MACHINING METHOD
    • 激光加工设备和激光加工方法
    • WO1994023887A1
    • 1994-10-27
    • PCT/JP1994000516
    • 1994-03-29
    • MORI, AtsushiNAKATA, Yoshinori
    • B23K26/14
    • B23K26/0665B23K26/08B23K26/082B23K26/123B23K26/14B23K26/147
    • This invention relates to a laser machining apparatus which can execute an oblique cutting on a work by using a laser beam. A laser beam (1) is condensed by a condenser lens (1a) and is obliquely applied to a work (5). A nozzle (3) for an assist gas is held perpendicularly to the work (5), and an assist gas (3b) introduced via an assist gas inlet (3a) is jetted from the tip of the assist gas nozzle (3) and is blown to a machining point (5a) of the work (5) from above the machining point (5a). Because the assist gas is perpendicularly blown, a sufficient gas pressure is applied to the machining point (5a). Even when a groove (5b) is formed as oblique machining proceeds to move the machining point (5a), an optimum amount of assist gas (3b) is always supplied along the groove (5b). Thermal and chemical changes occur due to the laser beam (1) obliquely applied and the assist gas (3b) blown perpendicularly to melt the metal. The molten metal is quickly removed by the assist gas (3b). As a result, oblique cutting of the work (5) can smoothly proceed.
    • 本发明涉及一种可以通过使用激光束对工件进行倾斜切割的激光加工装置。 激光束(1)通过聚光透镜(1a)会聚并倾斜施加到工件(5)上。 用于辅助气体的喷嘴(3)垂直于工件(5)保持,并且经辅助气体入口(3a)引入的辅助气体(3b)从辅助气体喷嘴(3)的顶端喷出,并且是 从加工点(5a)的上方吹向工件(5)的加工点(5a)。 由于辅助气体被垂直吹送,因此向加工点(5a)施加足够的气体压力。 即使当倾斜加工形成槽(5b)进行加工点(5a)移动时,始终沿着槽(5b)供给最佳量的辅助气体(3b)。 由于倾斜施加的激光束(1)发生热和化学变化,并且辅助气体(3b)垂直吹动以熔化金属。 熔融金属被辅助气体(3b)快速除去。 结果,工件(5)的倾斜切割可以平稳地进行。
    • 5. 发明申请
    • LASER PROCESSING APPARATUS
    • 激光加工设备
    • WO1995023046A1
    • 1995-08-31
    • PCT/JP1995000056
    • 1995-01-18
    • FANUC LTDYAMAZAKI, EtsuoNAKATA, YoshinoriSUZUKI, KazuhiroMORI, Atsushi
    • FANUC LTD
    • B23K26/00
    • B23K26/08B23K26/082Y02P90/265
    • A laser processing apparatus which can readily form a processing path in a cutting work. Reading means (1) reads a specification code (Q) for a shape of a cut hole, a dimension ( PHI d) of a cut hole, a position (O) of the center of a cut hole, and a start position (A) and a terminal stop position (Z) of a tip end of a processing head (306). A smooth path forming means (2) forms a smooth path on the basis of the specification code (Q) for a shape of a cut hole, the dimension ( PHI d) of a cut hole, the position (O) of the center of a cut hole, the start position (A) and terminal stop position (Z) so that the entire path produced by the tip end of the processing head (306) becomes smooth. Processing program making means (3) makes a processing program on the basis of the smooth path produced. In accordance with the processing program, the processing head (306) moves to form a cut hole in a work (330).
    • 一种在切割工作中可以容易地形成加工路径的激光加工装置。 读取装置(1)读取切割孔的形状,切割孔的尺寸(PHI d),切割孔的中心的位置(O)和开始位置(A)的规格代码(Q) )和处理头(306)的末端的终端停止位置(Z)。 平滑路径形成装置(2)基于用于切割孔的形状的规格代码(Q),切割孔的尺寸(PHI d),中心的位置(O),形成平滑路径 切割孔,起始位置(A)和终点停止位置(Z),使得由处理头(306)的尖端产生的整个路径变得平滑。 处理程序制作装置(3)基于产生的平滑路径制作处理程序。 根据处理程序,处理头(306)移动以在工件(330)中形成切割孔。
    • 6. 发明申请
    • LASER
    • 激光
    • WO1993017473A1
    • 1993-09-02
    • PCT/JP1993000150
    • 1993-02-05
    • FANUC LTDMORI, AtsushiNAKATA, Yoshinori
    • FANUC LTD
    • H01S03/081
    • H01S3/076B23K26/06B23K26/064B23K26/0643B23K26/0648B23K26/0665
    • A laser by which the length of the light path between the laser and a laser beam machine can be shortened. The apparatus is provided with a laser resonator and reflection mirrors which reflect the laser beam emitted from the laser resonator and cause the beam to go backward. The laser beam emitted from the output mirror of the laser resonator and reflected by the reflection mirrors travels on the optical path of a given length from the output mirror, and is outputted through the back plate of the laser. The direction in which the laser beam is outputted from the laser may sometimes be opposite to that in which the laser beam is emitted from the output mirror. One of the additional reflection mirrors can be a phase-delay reflection mirror in order to transform the laser beam into a circular polarization beam in the laser.
    • 可以缩短激光与激光束机之间的光路长度的激光。 该装置设置有激光谐振器和反射镜,其反射从激光谐振器发射的激光束并使光束向后移动。 从激光谐振器的输出反射镜发射并被反射镜反射的激光束从输出反射镜在给定长度的光路上行进,并通过激光器的背板输出。 激光束从激光器输出的方向有时可能与激光束从输出反射镜发射的方向相反。 附加反射镜中的一个可以是相位延迟反射镜,以便将激光束转换成激光器中的圆偏振光束。
    • 10. 发明申请
    • LASER MACHINING APPARATUS
    • 激光加工设备
    • WO1994000271A1
    • 1994-01-06
    • PCT/JP1993000848
    • 1993-06-22
    • FANUC LTDNAKATA, YoshinoriMORI, Atsushi
    • FANUC LTD
    • B23K26/00
    • B23K26/123B23K26/14B23K26/1476
    • A laser machining apparatus adapted to apply a laser beam to a work and cut the same. The cutting of a work of a nonferrous metal is done efficiently and stably, and the cutting of even a work of a large thickness is also done. In a point A, a boring process is carried out under a machining condition A to form an arcuate portion (31). The machining condition is then switched to B, and an expansion treatment is carried out to form an expanded bore (32) in an extended form of the original arcuate portion (31). When the expansion treatment has completed in the position B, the stand-off (distance between the front end of a machining nozzle and the surface of the work) is set to a lowest possible level, and the machining condition is switched to C, under which a cutting process is started. Therefore, the cutting process is carried out in substantially the same manner as in a process in which the cutting of a work is started directly from the outer side of an end portion thereof. During the cutting process, the pressure of an assist gas is set high, and the stand-off small, so that the dross scattering effect by the assist gas is displayed more remarkably. Accordingly, a cutting process can be carried out efficiently and stably.
    • 一种激光加工设备,适用于将激光束施加到工件上并将其切割。 高效稳定地切割有色金属的工件,甚至还可以切割大厚度的工件。 在点A中,在加工条件A下进行钻孔加工以形成弓形部分(31)。 然后将加工条件切换到B,进行膨胀处理以形成延伸形式的原始弓形部分(31)的膨胀孔(32)。 当位置B的膨胀处理完成时,将支座(加工用喷嘴的前端与工件的表面之间的距离)设定为最低水平,将加工条件切换为C 开始切割过程。 因此,切割处理以与从其端部的外侧直接开始工件切割的工序基本相同的方式进行。 在切割过程中,辅助气体的压力被设定得高,并且间隔较小,使得辅助气体的浮渣散射效应被更显着地显示。 因此,可以有效且稳定地进行切割加工。