ALO 120
High-Precision Manual Laser Welding for Small and Detailed Components
Summary: The ALO 120 is an enclosed Nd:YAG laser welding system from ALPHA LASER for precise manual welding of small and intricate components. It pairs a 120 W laser with 10 kW peak pulse power and pulse frequencies up to 50 Hz with a 120 mm focusing objective, motorised focus adjustment, touchscreen operation, a Leica binocular viewing system and integrated H14 fume extraction.
- 120 W Average laser power
- 10 kW Peak pulse power
- 50 Hz Max. pulse frequency
- 560 × 346 × 214 mm Working chamber
Product description
The ALPHA LASER ALO 120 is an enclosed Nd:YAG laser welding system designed for precise manual welding of small and intricate components. With 120 W average laser power, 10 kW peak pulse power and pulse energy of up to 95 J, it delivers controlled welding performance for applications requiring accuracy, consistency and reliable results.
Its enclosed working chamber, integrated fume extraction, ergonomic viewing system and adjustable welding parameters make it suitable for manufacturers working with precision components, sensors, jewellery and dental applications.
The ALO 120 combines precision laser technology with a compact, enclosed workstation for convenient manual welding. Its pulsed Nd:YAG laser operates at a wavelength of 1064 nm, allowing accurate energy delivery to the welding area while helping minimise unwanted heat impact on surrounding material.
The system features a 120 mm focusing objective, adjustable welding spot and touchscreen-based operation. Its enclosed chamber supports safe and comfortable handling of smaller workpieces, while integrated extraction and dual shielding-gas nozzles support a cleaner and more controlled welding environment.
Optional Accessories
- External cooling connection
- Micro-welding function
- Manual rotary axis
- Pneumatic rotary axis
Features
High-Performance Nd:YAG Laser Source
Equipped with a 120 W Nd:YAG laser source, the ALO 120 provides up to 10 kW peak pulse power and 95 J pulse energy for precise welding across a range of small-component applications.
Precise Pulse Control
Adjustable pulse duration from 0.5 to 20 ms and pulse frequency up to 50 Hz allow operators to adapt welding parameters to different materials, thicknesses and component geometries.
Adjustable Welding Spot
The welding spot diameter can be adjusted from 0.2 to 2.0 mm, supporting accurate processing of fine details and small workpiece areas.
Enclosed Working Chamber
The enclosed chamber provides a dedicated workspace measuring 560 × 346 × 214 mm, with a maximum workpiece height of 104 mm.
Ergonomic Optical Viewing
A Leica binocular viewing system with 10× magnification supports accurate visual control during welding. Optional magnification configurations are available, subject to the selected equipment package.
Integrated Fume Extraction
The integrated H14 extraction system helps remove welding fumes from the working area, supporting a cleaner operating environment.
Dual Shielding-Gas Supply
The system features two shielding-gas nozzles—one fixed and one flexible—which can be individually adjusted and shut off to suit different welding requirements.
Touchscreen Operation and Program Storage
Touchscreen controls provide convenient access to operating parameters. The system supports 40 parameter sets and 10 preset plus 10 freely adjustable pulse shapes, as specified in the manufacturer's current product information.
Specifications
| Parameter | ALO 120 |
|---|---|
| Laser Type | Nd:YAG |
| Wavelength | 1064 nm |
| Average Power | 120 W |
| Peak Pulse Power | 10 kW |
| Pulse Energy | Up to 95 J |
| Pulse Duration | 0.5–20 ms |
| Pulse Frequency | Single pulse–50 Hz |
| Operating Mode | Pulsed |
| Welding Spot Diameter | 0.2–2.0 mm |
| Focusing Objective | 120 mm |
| Focus Adjustment | Integrated, motorised |
| Pulse Shaping | 10 preset and 10 adjustable pulse shapes |
| Program Memory | 40 parameter sets |
| Viewing System | Leica binocular, 10×; optional 16× |
| Working Chamber (W × D × H) | 560 × 346 × 214 mm |
| Maximum Workpiece Height | 104 mm |
| Lighting | Dimmable LED |
| Fume Extraction | Integrated H14 |
| External Dimensions (W × D × H) | 600 × 954 × 1300 mm |
| Weight | Approx. 145 kg |
| Electrical Connection | 200–240 V / 50–60 Hz / 16 A |
Maintenance & care
- Clean the optical viewing area and protective glass regularly.
- Keep the working chamber free from dust, metal particles and welding residue.
- Inspect shielding-gas connections and nozzles periodically.
- Check the fume extraction system and maintain its filters as recommended.
- Ensure electrical and compressed-air connections remain secure.
- Arrange periodic inspection and servicing through qualified technicians.
May we help?
- What type of laser does the ALO 120 use?
- The ALO 120 uses a 120 W Nd:YAG laser with a wavelength of 1064 nm, operating in pulsed mode. It delivers 10 kW peak pulse power, with pulse durations of 0.5–20 ms, pulse frequencies from single pulse to 50 Hz and an adjustable 0.2–2.0 mm welding spot.
- How does the ALO 120 compare with the ALO 100?
- The ALO 120 has 120 W average power, 10 kW peak pulse power and pulse frequencies up to 50 Hz, compared with 100 W, 7 kW and 25 Hz on the ALO 100. Both share the same 560 × 346 × 214 mm working chamber, 120 mm focusing objective and integrated H14 fume extraction.
- What size of components can the ALO 120 handle?
- The enclosed working chamber measures 560 × 346 × 214 mm and takes workpieces up to 104 mm high. Dimmable LED lighting and a Leica binocular viewing system with 10× magnification (16× optional) support accurate work on small and intricate parts.
- How is the ALO 120 operated?
- The ALO 120 is operated through touchscreen controls. It stores 40 parameter sets, offers 10 preset plus 10 freely adjustable pulse shapes and has integrated motorised focus adjustment.
- What are the power and space requirements of the ALO 120?
- The ALO 120 requires a 200–240 V / 50–60 Hz / 16 A supply. It measures 600 × 954 × 1300 mm and weighs approx. 145 kg, with H14 fume extraction built in.