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    WFL SERIES: Laser with Coupler/Beam Switch

    Integrated plug-and-play fibers for flexible metal processing solutions. The nLIGHT® WFL series integrates an optional fiber coupler or 2- or 4-channel beam switch within a high-power fiber laser. Versatile and dependable, this laser was designed for high productivity solutions in welding, cladding, heat treating, brazing, or other materials processing applications requiring removeable process fibers. Based on two decades of highpower laser innovation, the WFL series features a reliable industry-leading fiber laser architecture enabling exceptional processing range and consistent part quality. The optional beam delivery system is ergonomically placed for simple and quick fiber exchanges and increased uptime.

    Overview

    WFL – Configurable fiber lasers for diverse welding and
    Robotic
    Application
    The all-new nLIGHT welding family integrates an optional fiber coupler or 2- or
    4-channel beam switch with a high-power fiber laser. Durable and versatile, this laser
    was designed with trusted and durable components for high productivity solutions in
    welding, cladding, heat treating, brazing and other materials processing applications.
    Based on nearly two decades of high-power laser innovation, this fiber laser features the
    latest in optical technology, allowing for exceptional process range and, consistent part
    quality.
    Ergonomically designed to be simple and easy to use for quick fiber replacements and
    increased uptime.

    Key Features

    • 3 to 15 kW Wide range of power options to ensure the right solution for each application .
    • Optional Fiber Coupler or Beam Switch Integrated fiber coupler, 2- or 4- channel beam switch, or 50/50 beam divider .
    • Unparalleled Serviceability Modular design simplifies repairs to maximize uptime and productivity .
    • Designed for Rugged Durability Ensures continuous operation in harsh manufacturing environments .
    • Plug-and-Play Process Fibers Process fibers with output core sizes from 100 µm to 1 mm in either QBH or QD format .
    • Ergonomic Design Designed based on user input to support high-volume manufacturing.

    Specifications

    Models WFL-3000 WFL-4000 WFL-5000 WFL-6000 WFL-8000 WFL-10000 WFL-12000 WFL-15000
    Optical Specifications
    Mode of Operation CW/Modulated
    Polarization Random
    Maximum Power 3 kW 4 kW 5 kW 6 kW 8 kW 10 kW 12 kW 15 kW
    Power Tunability 5 to 100%
    Power Variation, 8-Hour ≤ 0.5%
    Modulation Frequency ≤ 100 kHz
    Rise / Fall Times ≤ 5 µs
    Process Fiber Beam Quality1 100 µm process fiber 2.6 mm-mrad, typical 150 µm process fiber 5.4 mm-mrad, typical 200 µm process fiber 7.2 mm-mrad, typical
    Wavelength 1070 ± 10 nm
    Electrical Specifications
    Supply Voltage 400 to 480 VAC 3P+PE, 50/60 Hz
    Standard Control Interfaces External hardware control, analog power control, analog monitors, GUI
    Optional Control Interfaces EtherCAT, EtherNet/IP, DeviceNet, Profinet, Profibus
    Mechanical Specifications
    Dimensions (W x D x H) 1004 × 804 × 1334 mm
    Beam Delivery Water-cooled fiber coupler, 2- or 4-channel beam switch (time sharing), 50/50 beam divider (power sharing)
    Process Fibers 100 to 1000 µm core options in standard lengths, QBH and QD available
    Cooling Method Water
    Environmental Specifications
    Operating Temperature2 10 to 40°C
    Storage Temperature -10 to 60°C
    Relative Humidity 10 to 80%

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