ALW

Laser welding in the manufacturing environment
without additional security measures

Closed Laser Welding Device ALW

The ALW is a comfortable, ergonomic, and compact seated workstation that offers plenty of legroom. The observation lens offers a variable viewing angle from 10° – 50°, thus ensuring
comfortable working. The closed, laser-proof housing makes the ALW a laser-protected workplace that can be used in a normal production environment without additional safety precautions.

The ALW is now also available in a fiber laser version with 300 W and 450 W laser power.
The fiber source has a high energy efficiency and is ideally suited for reproducible Welds, as the laser power is constant during the welding process. Welding can be carried out in CW mode or pulsed.

The welding machine is also available as an Nd:YAG laser with 200 or 300 W and offers a high peak pulse power.

The ALW is ideally suited for series applications. The NC software is integrated. Programming and teaching takes place directly on the 12.1“ touchscreen display. Additional I/Os are also available.  And also an automatic wire feed system . In toolmaking, the functions "UCS" (user coordinate system) and "individual teaching" support the operator.

Easy to Use

The laser system is easy to operate. In addition to configuring via the display, the laser parameters can be adjusted
via the patented multifunction footswitch or adapted accordingly during welding.

The large doors of the ALW can be opened wide. This facilitates easy loading.



The ALW in a few words:

  • Robust housing, also well suited for automatic, programmed laser welding
  • Ergonomic seated workstation for fatigue-free working
  • Closed system, thus usable in any room
  • Precision joystick for optimal work results
  • All-in-one system (table, laser, extraction, safety)
  • Plenty of space inside and wide opening doors
  • Easy to operate
Advantages

Precise Movement System

A large and stable work plate holds workpieces weighing up to 400 kg and ensures their precise positioning.
The joystick for movements along the X, Y, Z, and R axes reacts very accurately. All axes directly follow the joystick movement.

Movements are made

  • manually by joystick,
  • semi-automatically,
  • or in automatic mode programmed with the WINLaserNC software.

 

The ALW enables programmed series production and welding on materials that are difficult to process, such as aluminum, precious metals,
titanium, or sensitive alloys. With the ALW 200/300 wires from 0.2 to 0.8 mm can be welded (with fine welding function also 0.1 mm wires). With the ALW 450, higher wire diameters are also possible.

 

Automatic wire feeding (LAFet) can be installed. Included in the scope of delivery is the Ergotubus, which ensures the ergonomic alignment of the microscope. This system allows you to work pulsed at up to 100 Hz under visual control.

    • Laser
      Laser type/wavelengthNd:YAG, 1064 nm
      Average power200 W
      Peak pulse power9 kW
      Pulse energy90 J
      Pulse duration0.5–20 ms
      Pulse frequencySingle pulse – 100 Hz
      Operating modePulsed
      Welding spot Ø0.2–2.0 mm with micro welding function (optional) < 100 µm
      Focusing objective150 mm, further ones according to lens data sheet
      Pulse shapingAdjustability of power curve within a laser pulse
      Display and operation12.1“ Touchscreen-Display
    • Observation lens
      Leica Ergotobus with oculars for wearers of glasses
    • Working chamber
      W × D × H1080 × 850 × 450 mm
      Mounting plate (W × D)600 × 475 mm
      Workpiece weight400 kg max., central
      Workpiece movementMotorized through joystick
      Movement range (X, Y, Z)478 × 340 × 332 mm
    • External dimensions
      W × D × H1190 × 1400 × 1500 mm
      Weight870 kg
    • External connections
      Electrical connection3 × 400 V / 50-60 Hz / 3 × 16 A
      External cooling systemoptional
      ExtractionIntegrated
    • Laser
      Laser type/wavelengthNd:YAG, 1064 nm
      Average power300 W
      Peak pulse power9 kW
      Pulse energy90 J
      Pulse duration0.5–20 ms
      Pulse frequencySingle pulse – 100 Hz
      Operating modePulsed
      Welding spot Ø0.2–2.0 mm with micro welding function (optional) < 100 µm
      Focusing objective150 mm, further ones according to lens data sheet
      Pulse shapingAdjustability of power curve within a laser pulse
      Display and operation12.1“ Touchscreen-Display
    • Observation lens
      Leica Ergotobus with oculars for wearers of glasses
    • Working chamber
      W × D × H1080 × 850 × 450 mm
      Mounting plate (W × D)600 × 475
      Workpiece weight400 kg max., central
      Workpiece movementMotorized through joystick
      Movement range (X, Y, Z)478 × 340 × 332 mm
    • External dimensions
      W × D × H1190 × 1400 × 1500 mm
      Weight870 kg
    • External connections
      Electrical connection3 x 400 V / 50-60 Hz / 3 x 16 A
      External cooling systemoptional
      ExtractionIntegrated
    • Laser
      Laser type/wave lengthFiber laser, 1070 nm
      Average power300 W
      CW power300 W
      Peak pulse power3 kW
      Pulse energy30 J
      Pulse duration0.2 ms - CW
      Pulse frequencySingle pulse – 100 Hz
      Beam parameter product at 50 µm2-3 mm * mrad
      Operating modepulsed/CW
      Welding spot Ø0.3-3 mm
      Focusing objective150 mm, further according to lens data sheet
      Pulse shapingAdjustability of power curve within a laser pulse
      Display and operationDisplay with touch function. Laser parameters can also be set using a multifunctional footswitch, WINLaserNC software through integrated PC
    • Observation lens
      Leica Ergotobus with eyepieces for use with eyeglasses
    • Working chamber
      W × D × H1080 × 850 × 450 mm
      Mounting plate (W × D)600 × 475 mm
      Workpiece weight400 kg max., central
      Workpiece movementMotorized through joystick
      Movement range (X, Y, Z)490 × 400 × 350 mm
    • External dimensions
      W × D × H1190 × 1400 × 1500 mm
      Weight900 kg
    • External connections
      Electrical connection3 × 400 V / 50-60 Hz / 3 × 16 A
      External coolingoptional
      ExtractionBuild-in socket available
      USB keyboard and mouseSocket integrated
    • Laser
      Laser type/wave lengthFiber laser, 1070 nm
      Average power450 W
      CW power450 W
      Peak pulse power4.5 kW
      Pulse energy45 J
      Pulse duration0.2 ms - CW
      Pulse frequencySingle pulse – 100 Hz
      Beam parameter product at 50 µm2-3 mm * mrad
      Operating modepulsed/CW
      Welding spot Ø0.3-3 mm
      Focusing objective150 mm, further according to lens data sheet
      Pulse shapingAdjustability of power curve within a laser pulse
      Display and operationDisplay with touch function. Laser parameters can also be set using a multifunctional footswitch, WINLaserNC software through integrated PC
    • Observation lens
      Leica Ergotobus with eyepieces for use with eyeglasses
    • Working chamber
      W × D × H1080 × 850 × 450 mm
      Mounting plate (W × D)600 × 475 mm
      Workpiece weight400 kg max., central
      Workpiece movementMotorized through joystick
      Movement range (X, Y, Z)490 × 400 × 350 mm
    • External dimensions
      W × D × H1190 × 1400 × 1500 mm
      Weight900 kg
    • External connections
      Electrical connection3 × 400 V / 50-60 Hz / 3 × 16 A
      External coolingoptional
      ExtractionBuild-in socket available
      USB keyboard and mouseSocket integrated

Technical accessories

ALFT-HDMI camera system

For displaying the welding process on an external monitor The camera system is specially made for ALPHA LASER systems and is mounted below the laser's microscope attachment. Includes power supply, HDMI cable, and laser connection cable. HDMI recorder for recording not included in scope of delivery.

Halogen bulb (flexible)

Magnetic holding sphere

for quick and easy placement of the workpiece. The slip-stick effect between the ball and the socket guarantees a secure hold of the workpiece in any position.

Perpendicular objective - LED ring light

The LED ring light integrated in the objective provides optimal, even, and flicker-free illumination of the workpiece in daylight quality Focusing objective f = 150 or f = 300 available and protection glass 601-0690A

Rotary axis module

For welding cylindrical parts Tiltable for horizontal to vertical rotational movement. With chuck Ø 125 mm and inside diameter 24 mm

Turn and tilt objective

Our tilting objective significantly eases work in difficult workpiece positions. In the objective's full 360° rotational range, the beam can be directed continuously up to 40° from the vertical. Moving the workpiece is not required. The beam can be conveniently directed towards difficult to access locations while maintaining an ergonomic work posture. With focusing objective f = 150, LED ring light and protection glass 

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