ALFlak 450 F
A mobile fiber laser welding system with 450 W average and CW power, 4.5 kW peak pulse power and pulsed or continuous-wave operation.

- 450 W Average / CW power
- 4.5 kW Peak pulse power
- 45 J Pulse energy
- Pulsed / CW Operating modes
Product description
The Alpha Laser ALFlak 450 F is a mobile fiber laser welding system designed for precision welding with flexible pulse and continuous-wave control. Its 1,070 nm fiber laser delivers 450 W average and CW power, 45 J pulse energy and up to 4.5 kW peak pulse power. With 0.2–50 ms/CW pulse duration and a 340 × 330 × 370 mm movement range, the system supports controlled processing across varied workpiece geometries.
Features
Fiber Laser Technology
Uses a 1,070 nm fiber laser with 450 W average and CW power.
4.5 kW Peak Pulse Power
Provides peak pulse power of up to 4.5 kW with 45 J pulse energy.
Pulsed and CW Operation
Supports both pulsed and continuous-wave operating modes.
Flexible Pulse Duration
Offers pulse duration from 0.2–50 ms/CW.
Variable Welding Spot
Provides Ø0.2–3.0 mm welding spots, with an optional range of 0.1–4.0 mm.
Three-Axis Positioning
The processing head has a movement range of 340 × 330 × 370 mm across X, Y and Z axes.
Touchscreen Control
Supports laser parameter control through the touchscreen, multifunctional footswitch and WINLaser 4 software.
Optional Accessories
Available options include a rotary axis module, camera system, Ergo wedge and programmable laser wire feed system AL-DV.
ALFlak 450 F specification
| Specification | Details |
|---|---|
| Model | ALFlak 450 F |
| Laser Type / Wavelength | Fiber laser, 1,070 nm |
| Average Power | 450 W |
| CW Power | 450 W |
| Peak Pulse Power | 4.5 kW |
| Pulse Energy | 45 J |
| Pulse Duration | 0.2–50 ms / CW |
| Operating Modes | Pulsed / CW |
| Welding Spot | Ø0.2–3.0 mm, optional 0.1–4.0 mm |
| Display and Operation | Touchscreen; laser parameters can also be set using a multifunctional footswitch; WINLaser 4 software can be operated through a touchscreen |
| Focusing Objective | 150 mm, further according to lens data sheet |
| Pulse Shaping | Adjustability of power curve within a laser pulse |
| Observation Lens | Leica microscope attachment with eyepieces for glasses wearers 10 ×, optional 16 × |
| Movement Mechanism | Processing head can be freely positioned manually and moved by motor using a joystick |
| Movement Speed (X, Y, Z) | 0–25 mm/s |
| Movement Range (X, Y, Z) | 340 × 330 × 370 mm |
| Lowest Working Point | 200 mm |
| Highest Working Point | 1,500 mm |
| Arm Deflection | 1,500 mm |
| Electrical Connection | 3 × 400 V / 50–60 Hz / 3 × 16 A |
| External Dimensions (W × D × H) | 1,200 × 1,030 × 1,150 mm |
| Weight | With caterpillar track approx. 910 kg; without caterpillar track approx. 610 kg |
| External Cooling | Optional |
| Options | Turn and tilt objective, rotary axis module with chuck, tiltable for horizontal to vertical rotation, camera system, Ergo wedge, programmable laser wire feed system AL-DV |
Maintenance & care
Keep optical components, the observation lens, processing area and machine surfaces clean. Inspect the movement mechanism and electrical connections regularly, and follow the manufacturer's recommended maintenance schedule for reliable system operation.
May we help?
- What type of laser does the ALFlak 450 F use?
- It uses a 1,070 nm fiber laser with 450 W average and CW power.
- What is the peak pulse power?
- The ALFlak 450 F provides peak pulse power of up to 4.5 kW and pulse energy of 45 J.
- What welding spot sizes are available?
- The standard welding spot is Ø0.2–3.0 mm, with an optional range of 0.1–4.0 mm.