ALFlak 300
A mobile Nd:YAG laser welding system with 300 W average power, 90 J pulse energy, 9 kW peak power and joystick-controlled three-axis positioning.

- 300 W Average power
- 9 kW Peak pulse power
- 90 J Pulse energy
- 1,500 mm Arm deflection
Product description
The Alpha Laser ALFlak 300 is a mobile Nd:YAG laser welding system designed for precision welding across components with varying sizes and geometries. It provides 300 W average power, 90 J pulse energy and up to 9 kW peak pulse power. Adjustable pulse duration from 0.5–20 ms and frequency from single pulse to 100 Hz allow controlled welding processes. The processing head offers manual or joystick-controlled positioning across a 340 × 330 × 370 mm movement range.
Features
Nd:YAG Laser Technology
Uses a 1,064 nm Nd:YAG laser with 300 W average power.
90 J Pulse Energy
Provides pulse energy of up to 90 J.
9 kW Peak Pulse Power
Delivers peak pulse power of up to 9 kW.
Adjustable Pulse Control
Supports 0.5–20 ms pulse duration and frequency from single pulse to 100 Hz.
Three-Axis Movement
The processing head operates across X, Y and Z axes with a movement range of 340 × 330 × 370 mm.
Joystick-Controlled Positioning
The processing head can be moved by motor using a joystick at speeds of 0–25 mm/s or positioned manually.
Micro-Welding Option
Welding spots range from Ø0.2–2.0 mm, with an optional micro-welding function supporting 0.05–0.5 mm spots.
Flexible Operation
Features a membrane keyboard, multifunctional footswitch and WINLaser 5.0 software through an external PC for laser parameter control.
ALFlak 300 specification
| Specification | Details |
|---|---|
| Model | ALFlak 300 |
| Laser Type / Wavelength | Nd:YAG, 1,064 nm |
| Average Power | 300 W |
| Peak Pulse Power | 9 kW |
| Pulse Energy | 90 J |
| Pulse Duration | 0.5–20 ms |
| Pulse Frequency | Single pulse–100 Hz |
| Operating Modes | Pulsed |
| Welding Spot | Ø0.2–2.0 mm / 0.05–0.5 mm with micro-welding option |
| Display and Operation | Display with membrane keyboard; laser parameters can also be set using a multifunctional footswitch; WINLaser 5.0 software through external PC |
| 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 × 1,200 × 1,100 mm |
| Weight | With caterpillar track approx. 850 kg; without caterpillar track approx. 550 kg |
| External Cooling | Optional |
| Options | Turn and tilt objective, micro welding function, 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 the optical components, observation lens, processing area and machine surfaces clean. Inspect the movement mechanism and electrical connections regularly, and follow the manufacturer's recommended maintenance and service schedule for the laser system.
May we help?
- What type of laser does the ALFlak 300 use?
- The ALFlak 300 uses an Nd:YAG laser with a wavelength of 1,064 nm and 300 W average power.
- What is the pulse energy of the ALFlak 300?
- The system provides pulse energy of up to 90 J and peak pulse power of up to 9 kW.
- Does the ALFlak 300 support micro-welding?
- Yes. The system supports an optional micro-welding function with welding spots from 0.05–0.5 mm.