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    • 2. 发明申请
    • Laser-plasma hybrid welding method
    • 激光等离子体复合焊接方法
    • US20050016970A1
    • 2005-01-27
    • US10484729
    • 2002-04-25
    • Erwin BayerJoerg HoescheleJuergen SteinwandelRainer Willneff
    • Erwin BayerJoerg HoescheleJuergen SteinwandelRainer Willneff
    • B23K10/02B23K26/14B23K28/02H05H1/30
    • B23K28/02B23K10/02B23K26/348H05H1/30
    • The invention relates to a process for laser-plasma hybrid welding, in which, to weld work pieces, a laser beam (10) and a plasma jet (11) are brought together in the process region close to the work piece. According to the invention, the free microwave-induced plasma jet (11) is generated by means of the following process steps: generation of microwaves in a high-frequency microwave source, guiding of the microwaves in a hollow waveguide (1) introduction of a process gas into a microwave-transparent tube (2), which comprises a gas inlet opening (14) and a gas outlet opening (15), at a pressure p≧1 bar, the process gas being introduced into the microwave-transparent tube (2) through the gas inlet opening (14) in such a manner that it has a tangential flow component, generation of a plasma (12) in the microwave-transparent tube (2) by means of electrode-free ignition of the process gas, generation of a plasma jet (11) by introduction of the plasma (12) into the working space (16) through a metallic nozzle (1) arranged at the gas outlet opening (15) of the tube (2).
    • 本发明涉及一种用于激光等离子体复合焊接的方法,其中为了焊接工件,激光束(10)和等离子体射流(11)在靠近工件的工艺区域中聚集在一起。 根据本发明,通过以下工艺步骤产生自由微波诱导的等离子体射流(11):在高频微波源中产生微波,在空心波导中引导微波(1)引入 将处理气体加入微波透明管(2)中,所述微波透明管(2)包括气体入口(14)和气体出口(15),压力p> = 1巴,所述工艺气体被引入微波透明管 (2)通过气体入口开口(14)以其具有切向流分量的方式通过工艺气体的无电极点火在微波透明管(2)中产生等离子体(12) 通过设置在管(2)的气体出口(15)处的金属喷嘴(1)将等离子体(12)引入工作空间(16)中来产生等离子体射流(11)。
    • 5. 发明授权
    • Laser-plasma hybrid welding method
    • 激光等离子体复合焊接方法
    • US06940036B2
    • 2005-09-06
    • US10484729
    • 2002-04-25
    • Erwin BayerJoerg HoescheleJuergen SteinwandelRainer Willneff
    • Erwin BayerJoerg HoescheleJuergen SteinwandelRainer Willneff
    • B23K10/02B23K26/14B23K28/02H05H1/30B23K9/00
    • B23K28/02B23K10/02B23K26/348H05H1/30
    • In a process for laser-plasma hybrid welding, to weld work pieces, a laser beam and a plasma jet are brought together in the process region close to the work piece. A free microwave-induced plasma jet is generated by the following process. Microwaves are generated in a high-frequency microwave source, and the microwaves are guided in a hollow waveguide. A process gas is introduced into a microwave-transparent tube, which includes a gas inlet opening and a gas outlet opening, at a pressure p≧1 bar. The process gas is introduced into the microwave-transparent tube through the gas inlet opening in such a manner that it has a tangential flow component. A plasma is generated in the microwave-transparent tube by electrode-free ignition of the process gas, and a plasma jet is generated by introduction of the plasma into the working space through a metallic nozzle arranged at the gas outlet opening of the tube.
    • 在激光等离子体混合焊接的过程中,为了焊接工件,激光束和等离子体射流在靠近工件的工艺区域中聚集在一起。 通过以下方法产生游离的微波诱导等离子体射流。 微波在高频微波源中产生,微波在中空波导中被引导。 处理气体被引入到微波透明管中,该管包括气体入口和气体出口,压力p> = 1巴。 工艺气体通过气体入口开口被引入到微波透明管中,使其具有切向流分量。 通过对工艺气体进行无电极点火,在微波透明管中产生等离子体,通过设置在管的气体出口处的金属喷嘴将等离子体引入工作空间来产生等离子体射流。