ALW 200
High-Performance 200 W Nd:YAG Laser Welding with Advanced Positioning and Programmable Control
Summary: The ALW 200 is an enclosed Nd:YAG laser welding system from ALPHA LASER for precision welding, repair welding and series production. It pairs a 200 W laser with 9 kW peak pulse power and 90 J pulse energy with motorised XYZ positioning for workpieces up to 400 kg, a Leica Ergotubus observation system, a 12.1-inch touchscreen, WINLaserNC programming and integrated fume extraction.
- 200 W Average laser power
- 9 kW Peak pulse power
- 90 J Pulse energy
- 400 kg Max. workpiece weight
Product description
The ALPHA LASER ALW 200 is an advanced enclosed Nd:YAG laser welding system developed for precision welding, repair welding and repeatable series production of metal components. Equipped with a 200 W average laser power, 9 kW peak pulse power and 90 J pulse energy, it delivers controlled and consistent welding performance for demanding industrial applications.
Designed for ergonomic operation and high-precision workpiece positioning, the ALW 200 combines a spacious enclosed working chamber, motorised XYZ-axis movement, joystick control and an ergonomic Leica Ergotubus observation system. Its programmable welding capabilities, integrated fume extraction and optional WINLaserNC software make it suitable for applications requiring accuracy, repeatability and process flexibility.
The ALW 200 is designed to provide precision and convenience for industrial welding, component repair and specialised manufacturing applications. Its pulsed Nd:YAG laser operates at a wavelength of 1064 nm and supports adjustable pulse duration and welding spot diameter, allowing operators to adapt the welding process to different materials, component geometries and thicknesses.
A key feature of the ALW 200 is its spacious working chamber with motorised XYZ-axis positioning. The integrated joystick allows precise movement of workpieces, while the large mounting plate accommodates components weighing up to 400 kg with central loading.
The system features a comfortable seated workstation, an ergonomic Leica Ergotubus microscope observation system and a 12.1-inch touchscreen display. It also supports programmable welding operations through WINLaserNC software, enabling repeatable production processes.
With its laser-safe enclosed housing, integrated extraction system and optional automatic wire feeding, the ALW 200 provides a versatile solution for precision welding and industrial series production.
Optional Accessories
- Turn-and-tilt focusing objective for flexible welding positions
- Rotary-axis module for circular and rotational welding applications
- Micro-welding device for delicate and miniature components
- Automatic laser filler-wire feeding system (LAFet)
- Ergo wedge for improved operator positioning
- Camera system for demonstrating and monitoring welding operations
- Crossjet for additional protection of optical components
- External regulated or unregulated cooling system
- WINLaserNC software for programmable welding operations
Features
High-Performance Nd:YAG Laser Source
Equipped with a 200 W Nd:YAG laser source, the system delivers up to 9 kW peak pulse power and 90 J pulse energy for precise welding of industrial components.
Precise Pulse Control
Adjustable pulse duration from 0.5 to 20 ms and pulse frequency up to 100 Hz allow operators to fine-tune welding parameters according to material and application requirements.
Advanced Pulse Shaping
Adjustable power curves within each laser pulse help control energy delivery, optimise heat input and achieve consistent welding results.
Motorised XYZ-Axis Positioning
The three-axis motorised movement system enables accurate workpiece positioning through an integrated joystick. Its vertical Z-axis supports workpieces weighing up to 400 kg with central loading.
Spacious Working Chamber
The large working chamber accommodates components of different sizes and geometries. Wide-opening doors simplify loading and unloading, making the system suitable for larger industrial workpieces.
Ergonomic Leica Observation System
The Leica Ergotubus observation system provides comfortable visual access to the welding area, with an adjustable viewing angle of approximately 10°–50° for improved operator ergonomics.
WINLaserNC Programmable Control
The system supports programmable welding operations through WINLaserNC software, enabling teaching, process programming and repeatable series production.
Integrated Fume Extraction
The built-in extraction system helps remove welding fumes from the working chamber, maintaining a cleaner operating environment.
Automatic Wire Feeding Compatibility
The ALW 200 supports optional automatic laser filler-wire feeding through the LAFet system, helping improve consistency and efficiency in applications requiring additional filler material.
Laser-Safe Enclosed Design
The fully enclosed laser-safe housing provides a protected working environment and meets the manufacturer's stated Performance Level d safety requirements.
Specifications
| Parameter | ALW 200 |
|---|---|
| Laser Type | Nd:YAG |
| Wavelength | 1064 nm |
| Average Power | 200 W |
| Peak Pulse Power | 9 kW |
| Pulse Energy | 90 J |
| Pulse Duration | 0.5–20 ms |
| Pulse Frequency | Single pulse–100 Hz |
| Operating Mode | Pulsed |
| Welding Spot Diameter | 0.2–2.0 mm |
| Focusing Objective | 150 mm |
| Pulse Shaping | Adjustable power curve within a laser pulse |
| Display & Control | 12.1-inch touchscreen |
| Software Control | WINLaserNC compatible |
| Observation System | Leica Ergotubus with eyepieces for glasses wearers |
| Working Chamber (W × D × H) | 1080 × 850 × 450 mm |
| Mounting Plate (W × D) | 600 × 475 mm |
| Maximum Workpiece Weight | 400 kg, central load |
| Workpiece Movement | Motorised through joystick |
| Movement Range (X × Y × Z) | 478 × 340 × 332 mm |
| External Dimensions (W × D × H) | 1190 × 1400 × 1740 mm |
| External Dimensions with Display Folded | 1190 × 1400 × 1500 mm |
| Weight | Approx. 870 kg |
| Electrical Connection | 3 × 400 V / 50–60 Hz / 3 × 16 A |
| External Cooling | Optional |
| Fume Extraction | Integrated |
Maintenance & care
- Clean the Leica observation optics and protective glass regularly using approved cleaning materials.
- Keep the working chamber and mounting plate free from dust, metal particles and welding residue.
- Inspect the laser focusing optics and protective components periodically.
- Check the integrated fume extraction system and maintain filters according to manufacturer recommendations.
- Ensure smooth movement of the motorised X, Y and Z axes.
- Inspect joystick controls and touchscreen functionality regularly.
- Check optional rotary-axis mechanisms and automatic wire-feeding equipment.
- Verify electrical and external cooling connections according to manufacturer guidelines.
- Maintain proper ventilation and operating conditions around the machine.
- Schedule periodic preventive maintenance through qualified technicians.
May we help?
- What type of laser does the ALW 200 use?
- The ALW 200 uses a 200 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, a 0.2–2.0 mm welding spot and a 150 mm focusing objective.
- How does the ALW 200 compare with the ALW 300?
- The ALW 200 has 200 W average laser power, compared with 300 W on the ALW 300. Both offer 9 kW peak pulse power, 90 J pulse energy and pulse frequencies up to 100 Hz, and share the same 1080 × 850 × 450 mm working chamber, 478 × 340 × 332 mm movement range and 400 kg workpiece capacity.
- What size of components can the ALW 200 handle?
- The enclosed working chamber measures 1080 × 850 × 450 mm, with a 600 × 475 mm mounting plate for workpieces up to 400 kg (central load). Motorised X, Y and Z axes, controlled by joystick, offer a movement range of 478 × 340 × 332 mm, and wide-opening doors simplify loading larger parts.
- Can the ALW 200 be programmed for series production?
- Yes. The ALW 200 supports programmable welding through WINLaserNC software, which enables teaching, process programming and repeatable series production. Laser parameters are set on its 12.1-inch touchscreen, and optional LAFet automatic filler-wire feeding is available.
- What are the power requirements of the ALW 200?
- The ALW 200 requires a 3 × 400 V / 50–60 Hz / 3 × 16 A supply and weighs approx. 870 kg. Fume extraction is integrated, and external cooling is available as an option.