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We specialize in welding high-precision cooling components used in fiber laser systems, including:
Laser cooling modules
Aluminum heat sinks
Aluminum–copper composite cooling bases
Optical system cooling components
These parts typically require tight dimensional control, stable heat transfer, and reliable sealing, especially under continuous high-power operation.
Fiber laser systems demand consistent thermal control, but conventional welding methods often introduce critical issues:
Heat instability during continuous operation
Inconsistent joints affect heat transfer and system stability
Precision loss in thin structures
Thermal distortion impacts alignment in optical systems
Unreliable aluminum-copper bonding
Weak joints reduce long-term performance
Variation in batch production
Difficult to maintain consistent quality across multiple units
Friction stir welding provides a controlled, solid-state solution ideal for precision cooling components:
Stable heat dissipation performance
Uniform weld structure ensures consistent thermal conductivity
Minimal deformation
Maintains flatness and alignment in precision assemblies
Reliable dissimilar metal joining
Strong bonding between aluminum and copper
Consistent production quality
CNC-controlled welding ensures repeatability
Materials: Aluminum alloys + Aluminum–Copper composites
Welding thickness: 1.5–8 mm (customizable based on design)
Max part size: up to 800 mm
Flatness after welding: ≤0.25 mm
Suitable for precision-machined cooling structures
Custom fixtures available for different geometries
High-power fiber laser systems (3kW–20kW)
Laser head cooling modules
Optical equipment thermal management
Precision photonics components
Industrial laser heat sinks
1. Precision Welding for Customer-Supplied Laser Components
You provide CNC-machined laser cooling parts, and we complete high-precision FSW welding with stable quality control.
2. Integrated Processing for Laser Cooling Assemblies
From machining to welding and inspection, we ensure dimensional accuracy and consistent heat dissipation performance for each component.
3. FSW Solutions for In-House Laser Component Production
We provide customized FSW equipment and process support for manufacturers looking to build internal production capability for laser cooling components.
Drawing review
Material preparation
CNC machining (if required)
FSW welding
Post-processing
Inspection & testing
Packaging & delivery
Visual inspection of weld seams
Dimensional inspection
Flatness measurement
Leak testing (if required)
Process parameter traceability
Q1: Is friction stir welding suitable for fiber laser cooling modules?
Yes. FSW provides stable joints with minimal distortion, ideal for precision laser cooling components.
Q2: Can you weld aluminum-copper heat sinks for laser systems?
Yes. We specialize in aluminum-copper welding, ensuring strong bonding and stable performance.
Q3: Will welding affect thermal performance of the heat sink?
No. FSW ensures uniform structure, helping maintain consistent heat dissipation.
Q4: Do you support precision cooling base welding for optical systems?
Yes. Our process is suitable for components requiring tight tolerances and stable geometry.
Q5: Can you handle prototype laser cooling components?
Yes. We support prototyping, small batch, and mass production.
We also provide welding solutions for EV battery tray welding and motor housing welding, covering a wide range of new energy components.
CTALooking to improve thermal stability and reliability in your fiber laser cooling components?
Send us your drawings or samples today — our team will provide a tailored FSW welding solution to help you achieve consistent performance and production quality.
