Industrial Laser System – Laser Welding Machine
Laser Welding Machine for Mould Repair
In high-performance manufacturing, maintaining and restoring precision moulds is crucial for consistent output, reduced downtime, and cost efficiency. The Laser Welding Machine for Mould Repair has emerged as the gold standard in precision repair, surpassing traditional welding methods in terms of control, heat management, and longevity. Whether used in plastic injection moulding, die-casting, stamping, or forging, this technology revolutionises mould restoration and extends the lifespan of expensive tooling.
Understanding Laser Welding Machine for Mould Repair
Laser welding uses a concentrated beam of energy to melt and fuse material with micron-level control. Unlike arc or TIG welding, the laser process creates minimal heat-affected zones (HAZ), ensuring precise repairs with little distortion.
Key Process Benefits:
- Non-contact, pinpoint accurate welding
- Controlled material deposition
- No filler wire required for micro-scale repairs
- High aspect ratio welds with minimal post-processing
Technical Specifications
| Feature | Description |
| Laser Source | Fibre Laser (Configurable Power Output) |
| Power Range | 100W – 300W |
| Pulse Width / Mode | Continuous Wave / Pulsed Operation |
| Control System | CNC / Manual + Touchscreen Interface |
| Cooling System | Closed-loop Water Cooling |
| Positioning System | X-Y-Z Motorised Stage with Micron Accuracy |
| Safety | Class-1 Enclosure, Interlocks, Emergency Stop |
Key Features and Advantages
- Extend Mould Lifespan Restore critical features and avoid full replacements.
- Improve Part Quality Consistent and accurate repairs reduce defect rates.
- Reduce Downtime Faster turnarounds mean fewer production stoppages.
- Lower Cost of Ownership Fewer replacements, consumables, and reworks.
- Sustainable Repair Method Eliminates waste and supports lean manufacturing goals.
Advantages of Laser Welding in Mould Repair
- High Precision Repair Repairs fine details without altering surrounding structures or surfaces. Suitable for micro-cracks, pin holes, worn edges, and surface damage.
- Minimal Thermal Distortion The small, focused beam limits heat propagation, reducing the risk of material warping, grain structure change, or softening.
- Versatility Across Materials Capable of welding tool steels, aluminium alloys, stainless steel, beryllium copper, and more.
- Time-Efficient Significantly faster than conventional repair methods, reducing lead times and increasing machine uptime.
- Repeatable Quality Digital controls ensure every repair is performed consistently, batch after batch, operator after operator.
Applications Across Industries
Plastic Injection Moulds
Repair gate areas, edges, and surface defects with minimal dimensional change.
Die Casting Moulds
Restore heat-affected zones, cracks, and erosion without affecting base structure.
Forging and Stamping Tools
Rebuild contact zones and impact surfaces for longer service life.
Automotive Moulds
Support high-precision tooling in engine components, lighting, and sensor moulds.
Consumer Electronics
Maintain mould fidelity for precise casing and micro-feature production.
Why Choose United Spectrum Instruments?
United Spectrum Instruments is the authorised distributor of Sigma Laser Gmbh (Germany) in India, providing advanced Laser Welding Machines for Mould Repair, designed for high-precision, low-heat material joining. Backed by extensive experience and proven quality control, our systems deliver repeatable accuracy, reliable performance, and full support for integration into industrial workflows.
Why Choose Us?
- Decades of laser application experience
- Factory-tested systems tailored for Indian industries
- On-site training and lifetime customer support
FAQs
Can this machine repair all types of mould materials?
Yes. It supports tool steel, stainless steel, aluminium, and copper alloys with different filler options.
Is operator training required?
Basic training is necessary to ensure safe use and optimise performance. We offer comprehensive onboarding.
What are the typical weld depths?
Weld depths range from 0.1 mm to 2 mm, depending on power and pulse parameters.
Does the system support automation?
Yes. Optional CNC and robotic integration are available for semi-automated or inline operation.
How long does a typical repair take?
Minor repairs can take minutes; more complex builds may take a few hours.
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Have Any Questions ?
FAQs
Can this machine repair all types of mould materials?
Yes. It supports tool steel, stainless steel, aluminium, and copper alloys with different filler options.
Is operator training required?
Basic training is necessary to ensure safe use and optimise performance. We offer comprehensive onboarding.
What are the typical weld depths?
Weld depths range from 0.1 mm to 2 mm, depending on power and pulse parameters.
Does the system support automation?
Yes. Optional CNC and robotic integration are available for semi-automated or inline operation.
How long does a typical repair take?
Minor repairs can take minutes; more complex builds may take a few hours.
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