Laser Welding
Laser welding uses a highly focused beam of coherent light to create precise, high-quality welds with minimal heat input. This advanced joining technology delivers exceptional speed, accuracy, and repeatability for demanding applications in automotive, aerospace, medical devices, and electronics manufacturing.
How Laser Welding Works
Laser welding focuses a high-intensity laser beam onto the workpiece surface. The concentrated energy rapidly heats the material, creating a molten weld pool. In keyhole mode, the intense beam vaporizes material to create a deep, narrow cavity that allows for exceptional penetration.
Modern laser welding systems use fiber lasers or disk lasers that offer excellent beam quality, high efficiency, and reliable operation. The process can be precisely controlled through power, pulse duration, and beam positioning.
Laser Welding Modes:
- Conduction Welding
Lower power density for shallow, wide welds with smooth surfaces
- Keyhole Welding
High power density for deep, narrow welds with high aspect ratios
- Pulsed Laser Welding
Controlled heat input for sensitive materials and spot welding
Key Parameters
Laser Power
100W - 20kW
Welding Speed
1 - 30 m/min
Spot Size
0.1 - 1 mm
Penetration
0.5 - 25 mm
Laser Welding Technologies
Fiber Lasers
100W - 20kW
High efficiency, excellent beam quality, low maintenance, long service life
Disk Lasers
1kW - 16kW
High beam quality, good for thick materials, reliable operation
CO2 Lasers
1kW - 20kW
Proven technology, good for organic materials and some metals
Advantages of Laser Welding
High Precision
Focused laser beam enables extremely narrow, precisely positioned welds.
Minimal Heat Input
Concentrated energy minimizes the heat-affected zone and distortion.
High Speed
Welding speeds up to several meters per minute for high productivity.
Deep Penetration
Keyhole welding achieves high depth-to-width ratios in a single pass.
Non-Contact Process
No physical contact with workpiece reduces contamination and wear.
Automation Friendly
Easily integrated with robotic systems and CNC positioning.
Laser Welding in EV Battery Manufacturing
Laser welding has become essential for electric vehicle battery pack assembly, offering the precision and speed needed for high-volume production of battery modules and packs.
- Cell-to-busbar connections
- Module interconnections
- Copper and aluminum joining
- Hermetic sealing applications
EV
Battery Assembly
Applications
Laser welding serves applications requiring high precision, speed, and minimal heat input.
- •Automotive body panels
- •EV battery pack assembly
- •Medical device manufacturing
- •Aerospace components
- •Electronics enclosures
- •Precision instruments
- •Jewelry and watchmaking
- •Tool and die repair
Industries
Advanced manufacturing industries leverage laser welding for critical precision joining applications.
Related Products
SVS Maverick supplies copper alloys and components for laser welding applications.
Laser Welding Fixtures
Precision copper fixturing for laser welding heat management.
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High-conductivity materials for laser welding backing and fixtures.
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Copper nozzles for optimal shielding gas delivery.
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Copper heat sinks for thermal management in laser welding.
Learn MoreNeed Laser Welding Solutions?
Our experts can help you select the right copper alloys and components for your laser welding fixturing and thermal management needs.