Laser Metal Welding Machine
In the high-stakes world of modern manufacturing, the demand for fast, accurate, and repeatable welding solutions has never been higher. Across automotive, medical, and aerospace...
Laser Metal Welding Machine
In the high-stakes world of modern manufacturing, the demand for fast, accurate, and repeatable welding solutions has never been higher. Across automotive, medical, and aerospace sectors, manufacturers are increasingly adopting advanced technologies that reduce error margins, accelerate production cycles, and ensure consistent weld quality—even for complex and high-value components.
The Laser Metal Welding Machine meets these demands by combining pinpoint laser precision with industrial-grade efficiency. Using a highly focused laser beam, the system produces clean, deep-penetration welds with minimal heat input, resulting in low distortion, excellent mechanical strength, and superior surface finish. Compared to conventional welding methods, laser welding significantly reduces spatter, rework, and post-processing, making it especially effective for stainless steel fabrication and precision assemblies.
In India, these advanced laser metal welding solutions are distributed by United Spectrum Instruments, the exclusive distributor for Sigma Laser GmbH. With strong application expertise, integration support, and local service capabilities, United Spectrum Instruments enables manufacturers to adopt reliable, high-performance laser welding technology that transforms productivity and quality across demanding industrial environments.
Understanding Laser Welding Technology
Laser welding is an advanced fusion welding technique that uses a concentrated laser beam to melt and join metals. Due to its ability to deliver intense, localised heat, laser welding creates deep and narrow welds with high strength and minimal distortion.
When applied to metal, laser welding offers unparalleled benefits:
- Cleaner weld seams
- Reduced thermal distortion
- Higher welding speeds
- Minimal spatter or contamination
Its precision makes it ideal for applications requiring tight tolerances, such as electronics, medical equipment, and automotive components.
Technical Specifications
| Parameter | Specification |
|---|---|
| Mean Power | 60 W / 120 W / 160 W / 220 W / 330 W / 420 W / 500 W |
| Laser Wavelength | 1064 nm |
| Max. Pulse Energy | 60 J / 80 J / 100 J / 120 J / 140 J / 150 J / 170 J |
| Pulse Peak Power | 6 kW / 9 kW / 13 kW / 13 kW / 13 kW / 13 kW / 13 kW |
| Pulse Duration | 0.5–20 ms / 0.5–20 ms / 0.5–50 ms / 0.5–50 ms / 0.5–50 ms / 0.5–50 ms / 0.5–50 ms |
| Focus Diameter | 0.2–2.0 mm |
| Pulse Shaping | 1 / 2 / 2 / 2 / 2 / 2 / 2 |
| Weight | 210 kg / 250 kg / 250 kg / 300 kg / 400 kg / 425 kg / 425 kg |
| Dimensions (W × L × H) | 725 × 1400 × 1220 mm |
Key Features and Advantages
Power Configurations (500W – 6kW)
Choose the right power level to match your material thickness and throughput requirements. Ideal for both delicate components and heavy-duty fabrications.
Intelligent Controls
User-friendly touchscreen interface with programmable memory allows quick parameter settings, reducing changeover time between tasks.
Industrial-Grade Build
All machines are constructed with robust enclosures, precision optics, and long-life components to withstand industrial wear and tear.
Programmable Welding Parameters
Save, recall, and fine-tune welding recipes for repetitive tasks. Achieve consistent results batch after batch.
Compact & Modular Design
Fits easily into existing production lines or standalone setups. Ideal for SMEs and large enterprises alike.
Advantages of Laser Welding Over Traditional Methods
- High Precision
- Speed & Throughput
- Minimal Heat Input
- Reduced Post-Processing
- Versatility Across Applications
Applications Across Industries
Automotive Industry
- Spot welding of exhaust systems
- Fabrication of battery modules for EVs
- Joining precision engine components
- Seam welding of fuel injectors
Laser welding supports both lightweighting and safety — key goals for modern vehicles.
Medical Device Manufacturing
- Implant fabrication (e.g. pacemakers, bone screws)
- Surgical tool welding with biocompatible integrity
- Leak-proof joining of catheter tubes and enclosures
Laser welds offer contamination-free, non-porous joints critical for health and hygiene.
Aerospace & Defence
- Welding of pressure-sensitive stainless steel parts
- Fabrication of heat-resistant components for jet engines
- Reliable joints under thermal and mechanical stress
- Laser welding ensures high-strength bonds in weight-sensitive environments.
Food & Beverage Industry
- Sterile welding of stainless steel tanks and pipework
- Leak-proof seals in filling and packaging systems
- Seamless joints that resist bacterial growth
Smooth weld seams ensure hygiene and comply with FDA/ISO standards.
Electronics & Consumer Devices
- Joining of heat sinks and EMI shielding parts
- Internal welding in smartphones and wearables
- Welding of mini connectors, brackets, and sensors
- Laser welding provides thermal control, precision, and compact design compatibility.
Why Choose United Spectrum Instruments?
Exclusive Distributor for Sigma Laser GmbH (Germany) in India, United Spectrum Instruments brings decades of expertise in delivering laser-based manufacturing solutions across India. As the official distributor for Sigma Laser GmbH (Germany), we offer a premium range of laser metal welding machines engineered for high-precision tasks such as deep welding, engraving, and fine joining.
What Sets Us Apart:
- Deep Industry Expertise
Proven experience in delivering tailored laser systems across domains like medical, aerospace, and electronics. - Robust Quality Assurance
Every machine undergoes stringent testing to meet global performance and safety standards. - Full Lifecycle Support From consultation to installation, training, and post-sale maintenance, our support doesn’t end with the sale.
FAQs
What thicknesses of stainless steel can your laser welding machines handle?
Our systems support welding of stainless steel from 0.1 mm thin sheets to 6 mm thick plates, depending on the power configuration chosen.
Is laser welding safe for food-grade stainless steel applications?
Yes. Laser welding creates non-porous, hygienic joints that meet industry standards for food and beverage production environments.
How does laser welding compare to TIG welding for stainless steel?
Laser welding is faster, more precise, and produces less heat than TIG welding. It’s ideal for automation and high-throughput production.
Can I integrate your laser welding machine into an existing production line?
Absolutely. Our machines are designed for easy integration with automation lines, robotic arms, and CNC workstations.
Do you provide training and installation support in India?
Yes. United Spectrum Instruments offers on-site setup, operator training, and ongoing technical support across India.
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FAQs
What thicknesses of stainless steel can your laser welding machines handle?
Our systems support welding of stainless steel from 0.1 mm thin sheets to 6 mm thick plates, depending on the power configuration chosen.
Is laser welding safe for food-grade stainless steel applications?
Yes. Laser welding creates non-porous, hygienic joints that meet industry standards for food and beverage production environments.
How does laser welding compare to TIG welding for stainless steel?
Laser welding is faster, more precise, and produces less heat than TIG welding. It’s ideal for automation and high-throughput production.
Can I integrate your laser welding machine into an existing production line?
Absolutely. Our machines are designed for easy integration with automation lines, robotic arms, and CNC workstations.
Do you provide training and installation support in India?
Yes. United Spectrum Instruments offers on-site setup, operator training, and ongoing technical support across India.
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