Laser Technologies

AL-TW 300

High-Performance 300 W Nd:YAG Laser Welding Workbench for Precision Industrial Applications

Summary: The AL-TW 300 is a stationary laser welding workbench from ALPHA LASER for precise, consistent welding of metal components. It pairs a 300 W Nd:YAG laser with 9 kW peak pulse power and 90 J pulse energy with motorised X, Y and Z-axis movement, joystick positioning, WINLaser 5 touchscreen operation, adjustable pulse shaping, a Leica microscope and an optional micro-welding function.

AL-TW 300 — Open Laser Welding Machine
  • 300 W Average laser power
  • 9 kW Peak pulse power
  • 90 J Pulse energy
  • 620 × 400 × 350 × 200 mm Movement range

Product description

The AL-TW 300 is a stationary laser welding system designed for precise, consistent and reliable welding of metal components. Equipped with a 300 W Nd:YAG laser source, it delivers 9 kW peak pulse power and 90 J pulse energy, making it suitable for demanding precision welding applications across various industrial sectors.

Featuring an integrated laser source, motorised multi-axis movement, joystick-controlled workpiece positioning and touchscreen operation, the AL-TW 300 offers flexibility when handling components of different sizes and geometries. Its optional rotary axis, micro-welding capability and adjustable pulse shaping further enhance its application versatility.

The AL-TW 300 combines a powerful Nd:YAG laser source with a robust stationary workbench to provide an integrated solution for precision industrial welding. Its open workbench design allows convenient access to components and accommodates different workpiece configurations.

The motorised movement system enables controlled positioning along the X, Y and Z axes, while joystick-controlled workpiece movement helps operators achieve accurate positioning during welding. The system is operated through WINLaser 5 software using a touchscreen, with additional laser parameter adjustments available through the multifunctional foot switch.

The AL-TW 300 also features a Leica microscope attachment for precise observation during welding. Optional accessories, including a turn-and-tilt focusing objective, rotary axis module and programmable laser wire feed system, allow the machine to be configured for specific welding requirements.

Optional Accessories

  • Turn-and-tilt focusing objective
  • Rotary axis module with chuck
  • Tiltable rotary axis for horizontal-to-vertical positioning
  • Camera system for welding process observation
  • Ergo wedge
  • AL-DV programmable laser wire feed system
  • Multifunctional foot switch


Features

300 W Nd:YAG Laser Source

Equipped with a 300 W Nd:YAG laser operating at a wavelength of 1064 nm, the system delivers controlled laser energy for accurate and consistent metal welding.

High Peak Pulse Power

With peak pulse power of 9 kW and maximum pulse energy of 90 J, the AL-TW 300 supports demanding precision welding applications with reliable energy delivery.

Adjustable Pulse Parameters

The pulse duration can be adjusted from 0.5 to 20 ms, with pulse frequency ranging from single pulse to 100 Hz. This allows operators to adapt welding parameters to different materials, component thicknesses and application requirements.

Precision Micro-Welding Capability

The standard welding spot diameter ranges from 0.2 to 2.0 mm. An optional micro-welding function supports finer welding spots from 0.05 to 0.5 mm for detailed and delicate applications.

Motorised Multi-Axis Movement

The integrated movement system supports X, Y and Z-axis positioning, with motorised workpiece movement controlled through a joystick. This provides flexibility when positioning components during welding.

Flexible Work Area

With a movement range of 620 × 400 × 350 × 200 mm, the AL-TW 300 accommodates workpieces of different sizes and geometries. An optional rotary axis further expands its processing flexibility.

Touchscreen and Foot Switch Operation

The WINLaser 5 software can be operated through the touchscreen, while the multifunctional foot switch allows convenient adjustment of laser parameters during the welding process.

Adjustable Pulse Shaping

The power curve within each laser pulse can be adjusted to control energy delivery and achieve the required welding characteristics for different applications.

Leica Microscope Attachment

The Leica microscope attachment with 10× magnification supports accurate observation and precise positioning during welding. An optional 16× configuration is also available.

Integrated Workbench Design

The stationary workbench combines the laser source and working area into one integrated solution, providing a stable platform for precision industrial welding. Its open configuration allows convenient access to components of different shapes and sizes.

Specifications

ParameterAL-TW 300
Laser TypeNd:YAG
Wavelength1064 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 Diameter0.2–2.0 mm
Micro-Welding FunctionOptional; 0.05–0.5 mm
Focusing Objective150 mm
Pulse ShapingAdjustable power curve within a laser pulse
Display and OperationTouchscreen with WINLaser 5 software
Additional ControlMultifunctional foot switch
Observation SystemLeica microscope, 10×; optional 16×
Movement AxesX, Y, Z; optional rotary axis
Movement Speed0.05–25 mm/s
Movement Range620 × 400 × 350 × 200 mm
Machine Dimensions (W × D × H)1,200 × 1,438 × 1,461 mm
Height with Maximum W-Axis1,647 mm
Side Console Dimensions (W × D × H)726 × 500 × max. 2,025 mm
Machine WeightApprox. 800 kg
Side Console WeightApprox. 60 kg
Electrical Connection3 × 400 V / 50–60 Hz / 3 × 16 A
External CoolingOptional
Smoke ExhaustionIntegrated; optional configuration

Maintenance & care

Regular maintenance helps maintain welding quality, system reliability and operational safety.

  • Inspect and clean the focusing objective and optical components regularly.
  • Keep the workbench, laser source and surrounding area clean and free from dust.
  • Check the X, Y and Z-axis movement systems, guideways and mechanical components periodically.
  • Inspect the joystick, touchscreen, foot switch and electrical connections.
  • Check the optional cooling system and smoke extraction arrangements, where installed.
  • Inspect optional rotary axis and laser wire feed accessories periodically.
  • Follow the manufacturer's recommended maintenance and servicing schedule.


May we help?

What type of laser does the AL-TW 300 use?
The AL-TW 300 uses a 300 W Nd:YAG laser with a wavelength of 1064 nm, operating in pulsed mode. It delivers 9 kW peak pulse power and 90 J pulse energy, with pulse durations of 0.5–20 ms, pulse frequencies from single pulse to 100 Hz and an adjustable power curve within each laser pulse.
How does the AL-TW 300 compare with the AL-TW 200?
The AL-TW 300 has a 300 W Nd:YAG laser source, compared with 200 W on the AL-TW 200. Both offer 9 kW peak pulse power, 90 J pulse energy, pulse frequencies up to 100 Hz, the same 620 × 400 × 350 × 200 mm movement range and a 3 × 400 V supply.
What working range does the AL-TW 300 offer?
The motorised movement system offers a movement range of 620 × 400 × 350 × 200 mm at 0.05–25 mm/s, with X, Y and Z-axis positioning controlled by joystick. An optional rotary axis adds flexibility for more complex component geometries.
Can the AL-TW 300 be used for micro welding?
Yes. In addition to the standard 0.2–2.0 mm welding spot, an optional micro-welding function supports welding spots from 0.05 to 0.5 mm for detailed and delicate work. The Leica microscope with 10× magnification (16× optional) supports accurate observation of the weld.
What are the power and space requirements of the AL-TW 300?
The AL-TW 300 requires a 3 × 400 V / 50–60 Hz / 3 × 16 A supply. The workbench measures 1,200 × 1,438 × 1,461 mm (1,647 mm with the W-axis at maximum) and weighs approx. 800 kg, plus approx. 60 kg for the side console. External cooling is optional.

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