ALW 450 F
Advanced 450 W Fiber Laser Welding with Pulsed and Continuous-Wave Operation
Summary: The ALW 450 F is an enclosed fiber laser welding system from ALPHA LASER for precision welding, component repair and series production. It pairs a 450 W fiber laser with pulsed and continuous wave (CW) modes, 4.5 kW peak pulse power and 45 J pulse energy with motorised XYZ positioning for workpieces up to 400 kg, WINLaserNC programmable control, a multifunctional footswitch and a Leica Ergotubus observation system.
- 450 W Average laser power
- 4.5 kW Peak pulse power
- 45 J Pulse energy
- Pulsed / CW Operating modes
Product description
The ALPHA LASER ALW 450 F is an advanced enclosed fiber laser welding system developed for precision welding, component repair and demanding industrial series production. Equipped with a 450 W fiber laser source operating at a wavelength of 1070 nm, it delivers up to 4.5 kW peak pulse power and 45 J pulse energy, providing controlled and consistent welding performance.
Designed for high precision, flexibility and repeatability, the ALW 450 F supports both pulsed and continuous-wave (CW) welding modes. Its motorised XYZ-axis positioning, joystick-controlled workpiece movement, WINLaserNC programmable software and ergonomic Leica Ergotubus observation system make it suitable for complex welding applications and repeatable production processes.
The ALW 450 F is designed to provide advanced fiber laser welding capabilities for industrial components, precision assemblies and specialised manufacturing applications. Its 450 W fiber laser operates at 1070 nm and supports adjustable pulse duration from 0.2 ms to continuous-wave operation, allowing operators to adapt the welding process to different materials, component geometries and thicknesses.
A key advantage of the ALW 450 F is its ability to operate in both pulsed and continuous-wave modes. This flexibility supports applications requiring controlled energy delivery, precise heat input and continuous welding operations.
The system features a spacious enclosed working chamber with motorised XYZ-axis positioning and joystick control. Its WINLaserNC software, operated through an integrated PC and touchscreen interface, supports programmable welding sequences, teaching and repeatable series production.
With an ergonomic Leica Ergotubus microscope, multifunctional footswitch, adjustable pulse shaping and provision for external extraction equipment, the ALW 450 F provides a versatile solution for precision industrial laser welding.
Optional Accessories
- Turn-and-tilt focusing objective for flexible welding positions
- Rotary-axis module for rotational welding applications
- Optical cooling system
- Sealing-air system for additional optical protection
- Crossjet for protection of optical components
- Camera system for demonstrating and monitoring the welding process
- Optional fine-welding function for delicate components
- External cooling system
- Multifunctional footswitch for convenient laser parameter adjustment
- Automatic laser filler-wire feeding system (LAFet)
- WINLaserNC software for programmable welding operations
Features
High-Performance 450 W Fiber Laser Source
Equipped with a 450 W fiber laser source operating at 1070 nm, the system delivers up to 4.5 kW peak pulse power and 45 J pulse energy for demanding precision welding applications.
Pulsed and Continuous-Wave Welding
Supports both pulsed and continuous-wave (CW) operating modes, providing flexibility for different material thicknesses, component geometries and welding requirements.
Precise Pulse Control
Adjustable pulse duration from 0.2 ms to continuous-wave operation and pulse frequency up to 100 Hz allow operators to fine-tune welding parameters according to application requirements.
Advanced Pulse Shaping
Adjustable power curves within each laser pulse help control energy delivery, optimise heat input and achieve consistent welding results.
WINLaserNC Programmable Control
The integrated WINLaserNC software enables programmable welding sequences, teaching and automated process control, supporting repeatability and efficient series production.
Motorised XYZ-Axis Positioning
The motorised three-axis movement system enables accurate workpiece positioning through an integrated joystick. The movement system supports manual and programmable operations for different welding requirements.
Spacious Working Chamber
The enclosed working chamber accommodates components of different sizes and geometries. Its large mounting plate and wide-opening doors facilitate convenient loading and positioning of industrial workpieces.
Ergonomic Leica Observation System
The Leica Ergotubus observation system provides comfortable visual access to the welding area, with eyepieces designed for operators who wear glasses.
Multifunctional Footswitch Control
The multifunctional footswitch allows operators to adjust laser parameters during welding without taking their hands away from the workpiece.
Optional Micro-Welding Function
The optional fine-welding function supports specialised precision applications requiring very small welding spots below 100 µm.
Flexible Focusing Options
The standard 150 mm focusing objective supports precise laser energy delivery, with additional optical configurations available according to application requirements.
Specifications
| Parameter | ALW 450 F |
|---|---|
| Laser Type | Fiber Laser |
| Wavelength | 1070 nm |
| Average Power | 450 W |
| CW Power | 450 W |
| Peak Pulse Power | 4.5 kW |
| Pulse Energy | 45 J |
| Pulse Duration | 0.2 ms – CW |
| Pulse Frequency | Single pulse–100 Hz |
| Operating Modes | Pulsed / CW |
| Beam Parameter Product at 50 µm | 2–3 mm × mrad |
| Welding Spot Diameter | 0.3–3.0 mm |
| Optional Fine-Welding Spot | Below 100 µm |
| Focusing Objective | 150 mm |
| Pulse Shaping | Adjustable power curve within a laser pulse |
| Display & Control | Touchscreen with multifunctional footswitch |
| Software | WINLaserNC through integrated PC |
| 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) | 490 × 400 × 350 mm |
| External Dimensions (W × D × H) | 1190 × 1400 × 1500 mm |
| Weight | Approx. 870 kg |
| Electrical Connection | 3 × 400 V / 50–60 Hz / 3 × 16 A |
| External Cooling | Optional |
| Fume Extraction | Connection for external extraction equipment |
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 laser focusing optics and protective components periodically.
- Check the external fume extraction connection and maintain the extraction equipment as recommended.
- Ensure smooth movement of the motorised X, Y and Z axes.
- Inspect joystick controls, touchscreen and multifunctional footswitch regularly.
- Check optical cooling and sealing-air connections, where fitted.
- Inspect optional rotary-axis mechanisms and accessories periodically.
- Verify electrical and cooling connections according to manufacturer guidelines.
- Schedule periodic preventive maintenance through qualified service technicians.
May we help?
- What type of laser does the ALW 450 F use?
- The ALW 450 F uses a 450 W fiber laser with a wavelength of 1070 nm. It works in both pulsed and continuous wave (CW) modes, offering 450 W CW power, 4.5 kW peak pulse power and 45 J pulse energy, with pulse durations from 0.2 ms to CW, pulse frequencies from single pulse to 100 Hz and a 0.3–3.0 mm welding spot.
- How does the ALW 450 F compare with the ALW 300 F?
- The ALW 450 F has 450 W average and CW power, 4.5 kW peak pulse power and 45 J pulse energy, compared with 300 W, 3 kW and 30 J on the ALW 300 F. Both support pulsed and CW welding and share the same working chamber, 490 × 400 × 350 mm movement range, WINLaserNC control and Leica Ergotubus observation system.
- What size of components can the ALW 450 F 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 490 × 400 × 350 mm, and wide-opening doors simplify loading larger parts.
- How is the ALW 450 F programmed and operated?
- The ALW 450 F is controlled by WINLaserNC software on an integrated PC with touchscreen, supporting programmable welding sequences and repeatable series production. A multifunctional footswitch lets operators adjust laser parameters during welding without taking their hands off the workpiece.
- What are the installation requirements for the ALW 450 F?
- The ALW 450 F requires a 3 × 400 V / 50–60 Hz / 3 × 16 A supply and has a connection for external fume extraction equipment. External cooling is available as an option.