The detail information of product

Custom CNC Machined Extrusion Heatsinks with Precision Broaching

Custom CNC heatsink machining using extrusion combined with broaching techniques is the premier engineering solution for optimizing thermal performance in high-power electronic devices. At precision engineering hubs in Bac Ninh, Vietnam, the use of 6000 Series aluminum alloys enables the fabrication of complex thermal cooling systems, ranging from ultra-thin fins to precise internal grooves. VINACNC's workflow fully integrates turning, drilling, and broaching, ensuring every part meets strict tolerances and achieves superior thermal conductivity, fulfilling the rigorous standards of the telecommunications and renewable energy industries.

Versatile Machining Expertise for High-Performance Heatsinks

The synergy of multiple machining methods provides superior technical advantages for heatsink components at VINACNC:

Extrusion and CNC Synergy: Extruded aluminum provides the base structure with dense cooling fins. Subsequent CNC turning and milling are performed to refine assembly dimensions and flatten thermal contact surfaces.
Broaching Expertise (Broaching Type): This is a specialized method for creating internal keyways or precise internal profiles within heatsink pipes that conventional milling bits cannot handle. This technique ensures absolute consistency for internal cooling airflow or liquid circulation.
Precision Turning and Drilling: Ensures that mounting holes and electronic component positions possess micron-level accuracy. Controlling ultra-fine surface roughness on contact surfaces eliminates thermal resistance, optimizing the rate of heat dissipation to the environment.
Anodized Surface Treatment: The anodized layer not only provides aesthetics but also enhances heat radiation and protects components from industrial corrosion.

Professional Export Packaging and Preservation Process

Heatsink components require strict protection to maintain fin integrity and anodized surface quality. VINACNC implements a rigorous international standard packaging process for shipping from Vietnam:

Ultrasonic Cleaning: Thoroughly removes aluminum dust, machining oils, and impurities from microscopic fin gaps using industrial ultrasonic systems.
Surface Anti-Oxidation: Utilizing specialized VCI anti-rust paper or PE protective film to prevent salt-air humidity impacts during long-duration transit.
Multi-layer Cushioning: Each heatsink is placed in shaped foam trays or thick bubble wrap to eliminate mechanical vibration and impact that could deform the fins.
International Standard Crating: Products are packed in fumigated wooden crates (ISPM 15 standard) or high-grammage reinforced cartons with secure strapping.
Traceability Labeling: Clear labeling displaying part codes, specifications, and barcodes for efficient destination logistics control.