Industrial Fiber Laser Welding Machines & Handheld Systems
Slash your labor costs by up to 70%. Engineered for stainless steel, aluminum, copper, and dissimilar metals with ultra-low thermal deformation.
What is Fiber Laser Welding & How Does It Work?
What is Fiber Laser Welding?
Fiber Laser Welding is an advanced, non-contact thermal processing technology. It generates a high-intensity, ultra-concentrated laser beam using rare-earth-doped optical fibers (such as ytterbium) as the gain medium. Delivered directly to the workpiece via flexible fiber-optic cables, the concentrated photon beam instantly melts metal joint edges to create a strong, clean, and deep-penetration weld seam upon rapid cooling.
Utilizing a continuous optical beam with a focused spot size of 0.2mm – 0.5mm, our fiber welder delivers deep melt penetration and ultra-clean, uniform weld seams. Engineered for continuous duty and automated manufacturing, it achieves exceptional joint strength with high processing speeds and minimal post-grinding requirements.
Working Principle: The 4-Step Fusion Process
01
Fiber-Guided Beam Generation
Active diode lasers pump energy into the optical fiber core, generating a stable, high-luminance laser beam (1064 nm wavelength) with superior optical beam quality and electro-optical efficiency (>30%).
02
Precision Optical Focusing
The high-energy beam travels through a sealed fiber-optic cable into the torch head, where collimating and focusing lenses concentrate the laser down to a microscopic focal spot (as fine as 0.05 mm).
03
Instant Thermal Melting & Keyhole Formation
Upon contacting the metal surface, the laser energy is absorbed instantly. It operates via Conduction Mode for ultra-fine micro-spotting, or Keyhole Mode for deep penetration into metal sheets up to 8.0 mm.
04
Shielded Cooling & Flawless Seam Solidification
Inert shielding gas (Argon or Nitrogen) flows around the molten pool to prevent oxidation. As the torch moves, the molten metal rapidly cools, forming a bright, smooth weld seam with zero thermal distortion.
Traditional TIG/MIG/MMA Welding vs. Fiber Laser Welding
| Comparison Feature | Traditional TIG/MIG Welding | YAG Laser Welding | Fiber Laser Welding |
|---|---|---|---|
| Operational Skill & Labor | High Dependency: Requires certified, highly experienced welders ($30+/hr labor cost). | Moderate: Requires basic specialized training & regular manual beam alignment. | ✔ Ultra-Easy: 5-minute fast setup for beginner operators (slashes labor costs by up to 70%). |
| Welding Speed & Efficiency | Slow: Standard manual travel speed (10–30 cm/min). | Moderate: Pulsed output with limited speed (30–60 cm/min). | ✔ Ultra-Fast: Seam continuous welding up to 120 cm/min (4x–10x faster throughput). |
| Thermal Distortion & HAZ | Severe: High heat input creating large HAZ, causing sheet warping & edge burn-through. | Moderate: Lower heat input, but pulsed energy can cause slight localized warping on thin sheets. | ✔ Zero Distortion: Micro heat input with localized energy focal point (0.5–8.0 mm thin metals). |
| Lifespan & Maintenance | Frequent Wear: Consumable electrodes, gas nozzles, and tips require daily replacement. | High Maintenance: 1,000–2,000 hours lifespan; frequent Xenon lamp replacement & optical tuning. | ✔ Maintenance-Free: ⩾ 100,000 hours lifespan with a sealed, maintenance-free optical engine. |
| Electro-Optical Efficiency | Low: Heavy power draw with high energy loss during arc generation. | Very Low (< 5%): Requires large external power supplies & high-capacity chillers. | ✔ High (> 30%): Exceptional wall-plug efficiency, dramatically cutting utility costs. |
| High-Reflective Metal Capability | Poor/Difficult: High spatter and poor weld aesthetics on Aluminum or Copper. | High Risk: Severe risk of back-reflection optical damage when processing Gold, Silver, Cu, or Al. | ✔ Safe & Flawless: Built-in optical isolators + high peak power density for safe welding on reflective alloys. |
| Beam Quality & Precision | Coarse: Wide weld seam, uneven penetration, large spatter. | Moderate: Broader focal spot size (0.2–2.0 mm) with lower energy concentration. | ✔ Micro-Precision: Micro focal spot down to 0.05 mm (QCW) / 0.2 mm (CW) for ultra-precise micro-joints. |
| Post-Weld Finishing | Heavy Workload: Requires multi-stage secondary grinding, polishing, and chemical pickling. | Light Workload: Requires light grinding or localized cleanup on visible seams. | ✔ Zero Grinding: Produces clean, bright, fish-scale-free weld seams with zero post-grinding required. |
Fiber laser Welding Machine Models
Portable Handheld Laser Welder
Flexible & Mobile — Perfect for Sheet Metal, On-Site Repairs & Custom Fabrication.
CORE HIGHLIGHTS
Power Options: 1000W | 1500W | 2000W | 3000W (Continuous Fiber Laser)
Penetration Depth: Up to 8 mm Stainless Steel & 5 mm Aluminum
Wire Feeder & Cable: Auto wire feeder (0.8–1.6 mm) | Standard 10m cable
Cooling System: Integrated Water Chiller / Air-Cooled Option
BEST FOR APPLICATIONS
Sheet Metal | On-site Repair | Stainless Steel & Al Cabinets
Automated & Platform Laser Welder(Mold Laser Welder)
High-Volume Precision — 24/7 Robotic & CNC Automation for Standardized Mass Production
CORE HIGHLIGHTS
Power Engine: 1500W | 2000W | 3000W Continuous Wave Fiber
Motion & Work Envelope: 6-Axis Robotic Arm or Multi-Axis CNC Table
Smart Tracking: Integrated CCD Vision & Real-Time Seam Tracking
Welding Performance: Speed up to 120 mm/s | Max penetration 6 mm
- Manual / CNC XY-Table & Swivel Arm for Large Molds
BEST FOR APPLICATIONS
Automotive Parts | Battery Trays | High-Volume Mass Production
Precision Spot Laser Welder
Microscopic Accuracy — Micro Pulsed Welding for Luxury Jewelry, Molds & Delicate Electronics
CORE HIGHLIGHTS
Power Engine: 100W / 200W QCW Pulsed Fiber (2 kW Peak Power)
Precision Control: Micro spot 0.05–2.0 mm | Pulse Energy up to 50J
Observation: Integrated 10x Stereo Microscope & Micro-Chamber
Cooling & Duty: Built-in Water Cooling | 24/7 Continuous Operation
BEST FOR APPLICATIONS
Jewelry | Precision Molds | Micro-Electronics
Continuous Wave (CW) vs. Pulsed (QCW) Fiber Lasers
Matching Waveforms to Your Weld
- Continuous Wave (CW) Lasers
High-Speed & Deep Penetration Standard
- Output Mode: Continuous, uninterrupted beam output
- Core Advantage: High travel speed with superior keyhole penetration
- Best For Materials: Medium-to-thick stainless steel, carbon steel, and structural alloy sheet metal
- Primary Cost Value: High ROI & lowest cost-per-meter for mass production
- Pulsed / Quasi-CW (QCW) Lasers
High-Peak-Power Precision for Sensitive Alloys
- Output Mode: Rapid high-peak energy bursts with rapid cooling intervals
- Core Advantage: Zero heat accumulation, eliminating burn-through & warping
- Best For Materials: Ultra-thin foils (<0.8mm), copper battery tabs, and heat-sensitive aluminum parts
- Primary Quality Value: Eliminates thermal stress and micro-cracking on reflective metals
- Note on Laser Hardware Integration
- CW and Pulsed/QCW technologies rely on different internal laser source architectures. Standard high-speed production lines typically utilize cost-effective CW Fiber Sources, while specialized precision tasks (such as copper battery tab welding or ultra-thin foil joining) require QCW High-Peak-Power Sources.
- Not sure which hardware configuration suits your production? Our engineers can test your samples to determine the exact laser source required.
Applications & Material Versatility
Engineered for 6 Key Industrial Sectors & Diverse Metal Alloys
Sheet Metal & Architectural Fabrication
- Recommended Wattage: 1000W – 3000W (Handheld & Platform Series)
- Highlights: High-speed continuous welding with zero thermal distortion, ideal for both shop floor & on-site 360° setup.
- Compatible Materials: Stainless Steel, Carbon Steel, Galvanized Sheet, Structural Aluminum.
- Core Applications: Server racks, control chassis, elevator panels, handrails, doors, gates, and security grilles.
Commercial Kitchenware & Sanitary
- Recommended Wattage: 1500W – 2000W (Handheld & Automated Series)
- Highlights: Food-grade, leak-proof, and pore-free aesthetic smooth seams without chemical pickling or heavy post-grinding.
- Compatible Materials: 304/316 Stainless Steel, Brass, Copper.
- Core Applications: Stainless sinks, cooking ranges, commercial countertops, brass faucets, and shower heads.
Automotive & New Energy
- Recommended Wattage: 2000W – 3000W (Automated & Robotic Series)
- Highlights: High-speed, spatter-free, and anti-vibration joints on highly reflective metals.
- Compatible Materials: Copper, Aluminum, Dissimilar Metals (Copper-to-Aluminum), High-Strength Steel.
- Core Applications: EV battery aluminum trays, copper busbars, exhaust manifolds, and auto sensors.
Precision Mold & Die Repair
- Recommended Wattage: 200W – 500W (Precision Mold Welder Series)
- Highlights: Microscope-guided material deposition for worn edges with zero undercut or structural heat distortion.
- Compatible Materials: Tool Steel, Die Steel (NAK80, SKD11, S136), Titanium Alloys.
- Core Applications: Plastic injection molds, die-casting dies, stamping tool edges, and micro gears.
Jewelry Studios & Luxury Repair
- Recommended Wattage: 100W – 200W (Precision Spot Series)
- Highlights: Micro QCW pulsed welding next to delicate gemstones with zero heat dissipation or scorching.
- Compatible Materials: Gold (K-Gold), Fine Silver, Platinum, Titanium, Fine Alloys.
- Core Applications: Gold/silver ring sizing, claw setting rebuilding, hollow chain repair, and watch cases.
Medical Devices & Electronics
- Recommended Wattage: 150W – 300W QCW / 1000W CW (Precision & Micro Series)
- Highlights: Sterile, non-contaminating, and airtight microscopic joints for high-precision micro components.
- Compatible Materials: 316L Medical Stainless Steel, Pure Titanium, Kovar Alloys, Thin Copper.
- Core Applications: Surgical tools, endoscope housings, cardiac pacemaker cases, and sensor seals.
Welding Performance & Sample Video
Smooth Bead, No Post-Grinding Needed,High Tensile Strength & Deep Penetration
Zero Distortion · Pore-Free 360° Rotary LaserMold Welder
Precision Laser Welding& Repair for High-Tolerance IndustrialMolds
ONSLASER Core Advantage
01
Direct Factory Pricing & Customization
As an original equipment manufacturer (OEM/ODM), we deliver industrial-grade fiber laser welders directly from our production lines. You get peak quality with zero middleman markups, competitive pricing, and flexible hardware/software configuration options tailored to your workflow.
02
Local German Warehouse & Live Sample Testing
Visit our local German warehouse and showroom for live demonstrations and hands-on machine evaluation.
Complimentary welding tests are available using your actual metal samples and joint requirements.
03
100% Pre-Assembled & Factory Calibrated
Every system is fully assembled, calibrated, and welding-tested before shipment. Key functions and welding performance are verified in advance, reducing on-site setup and helping you move into production faster.
4-Step Plug-and-Play Operation Guide
Designed for zero-threshold operation. No advanced engineering background or certified welding license required.
Water & Gas Connection
Fill the built-in chiller with distilled water, then connect your shielding gas supply (Argon or Nitrogen) and standard factory power supply.
One-Touch
Power On
Release the emergency stop button and switch on the key power. The machine performs a 5-second automatic optical and cooling system self-check.
Select
Parameter
Choose your target metal (e.g., Stainless Steel, Aluminum, Brass) and sheet thickness directly from the intuitive HD touchscreen preset library.
Safety Lock & Ready to Weld
Attach the workpiece grounding safety clip to enable the optic circuit lock, pull the ergonomic torch trigger, and start producing clean, high-strength welds immediately.
Built for Long-Term Industrial Operation
Simple routine maintenance and serviceable protective components help maximize uptime and extend system life.
Protective Optics Care
Quick visual inspection and cleaning of the protective window help maintain optical performance. Quick-swap protective components help shield the internal optical system and simplify routine maintenance.
- Daily Check
Smart Cooling Status
The external transparent level gauge makes fluid monitoring effortless. Low Upkeep: Uses standard distilled water with long replacement intervals to ensure uninterrupted cooling.
- Periodic Check
Tool-Free Air Filter
Tool-free slide-out mesh panels help reduce dust entering the internal electronics. The reusable filter can be removed and cleaned with compressed air to help maintain effective ventilation.
- Periodic Check
Ready to Get Your Custom Configuration & Factory Direct Price?
Click the button on the right and fill out the form. ONSLASER’s sales team will reply to you within 2 hours during business hours.
ask us
anything
Everything you need to know about testing, local support, global shipping, and customization.
Q1: Can I test the machine with my own metal samples before ordering?
A: You can visit our local German showroom to inspect and test select demonstration models. For specialized custom materials or complex sample testing, you can send your metal workpieces directly to our global manufacturing center in China. Our engineers will perform precise welding tests and provide you with high-definition video reports and processed samples.
Q2: How are the machines shipped, and what are the delivery times?
A: We offer flexible global logistics solutions including air freight, ocean shipping, and express door-to-door delivery with cleared customs (DDP/DAP depending on destination). Standard machines in stock at our German hub ship within 3–5 business days across Europe. In-stock machines at our German hub can typically be dispatched within 3–5 business days. Factory order lead times depend on machine configuration, customization, and destination.
Q3: Do you support custom branding, specs, or OEM configuration?
A: Yes! As a direct manufacturer, we offer full OEM and ODM customization. We can tailor the laser power, optical torch components, color schemes, machine chassis design, and touchscreen UI languages to match your brand identity or exact production requirements.
Q4: How difficult is it for an experienced welder to learn fiber laser welding?
A: Fiber laser welding can be easier to learn than conventional TIG/MIG welding for many applications, especially with preset parameters and an ergonomic handheld welding gun. Experienced welders can usually become familiar with the basic controls quickly, while consistent weld quality requires proper training, material-specific parameter adjustment, and adherence to laser safety procedures.
Q5: Can your fiber laser welding machines weld highly reflective metals such as copper and aluminum?
A: Aluminum and certain copper alloys can be welded with fiber laser systems, but results depend on material grade, thickness, surface condition, laser power, and process parameters. Highly reflective metals require appropriate laser-source protection and carefully optimized welding settings. Please send us your material specifications or samples so our engineers can recommend and test a suitable configuration.
Q6:What voltage options and language packages do you support for international deployment?
A: We offer:
Voltage Flexibility: We support single-phase and three-phase power configurations (110V / 220V / 380V / 415V, 50/60Hz) tailored to your local industrial power grid.
Multi-Language Control Panel: The touchscreen interface supports over 20 global languages (including English, German, Spanish, French, Russian, Arabic, and more), making operation seamless for your local workforce worldwide.
Get Your Factory-Direct Quote & Free Sample Test
Fill out the form below to receive detailed specs, international shipping estimates, and expert application advice within 12 hours.
Useful insights on laser welding methods
Want to learn more about laser welding machines before investing? Explore everything you need to know about laser welding in this guide.
Deep Penetration vs. Conduction Mode: What is a Fiber Laser Welding Machine Capable Of?
Discover how modern fiber laser welders replace legacy TIG/MIG systems. Learn how switching between conduction and deep penetration modes eliminates post-weld grinding, reduces heat distortion, and cuts total production cycle times.
Handheld vs. Platform vs. Desktop: Which Small Laser Welder Fits Your Shop Floor?
Compare Portable Handheld, Automated Platform, and Benchtop Precision laser welders to match your shop floor. Choose the ideal architecture based on workpiece dimensions, automation needs, operator ergonomics, and workshop safety constraints.
