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Copper and Aluminum Profile Heatsink Fabrication for Power Electronics

Copper and aluminum profile heatsink manufacturing is the core solution for ensuring the stability of high-power electronics such as IGBT modules, UPS systems, industrial LED lighting, and smart household appliances. At our direct factory outlet in Bac Ninh, Vietnam, VINACNC provides comprehensive OEM/ODM services, from design and aluminum extrusion to complex fabrication techniques including bending, welding, and precision CNC milling. Combining the maximum thermal conductivity of pure copper with the versatility of aluminum optimizes cooling performance for all modern electronic systems.

Bending and Welding Technologies for Aluminum Profiles in Heatsink Fabrication

The production process at VINACNC utilizes advanced techniques to process copper and aluminum materials:

Bending and Welding of Aluminum Profiles: We utilize CNC bending systems to shape aluminum profiles into complex enclosure structures or heatsink fins. Welding technologies (such as Friction Stir Welding - FSW or Laser Welding) ensure a durable bond between aluminum and copper plates, guaranteeing a void-free interface to maintain uniform thermal conductivity.
Pure Copper Heatsinks for IGBT and UPS: For UPS power systems and IGBT modules requiring instantaneous heat dissipation, red copper (C1100) heatsinks are the premier choice. CNC micro-channel milling techniques increase the heat exchange surface area multiple times within a restricted space.
Solutions for LED and Household Appliances: Aluminum profile heatsinks undergo anodizing or passivation surface treatments to enhance thermal radiation and oxidation resistance, extending the lifespan of LED chips and internal household appliance components.
Surface Roughness Control: Thermal contact surfaces are machined to micron-level surface roughness, eliminating thermal contact resistance and ensuring optimal heat transfer from the component to the heatsink.

Professional Export Packaging and Preservation Process

Copper and aluminum heatsink components require strict protection to maintain their geometry and surface finish. VINACNC implements a rigorous international standard packaging process for shipping from Vietnam:

Ultrasonic Cleaning: Thoroughly removes residual chips, machining oils, and dust from heatsink gaps using industrial ultrasonic systems before packaging.
Surface Anti-Oxidation: Each copper product is passivated and wrapped in specialized VCI anti-rust paper or protective PE film to prevent salt-air humidity impacts.
Multi-layer Cushioning: Components are placed in shaped foam trays or wrapped in multiple layers of thick bubble wrap to eliminate vibration and prevent mechanical impact that could deform the fins or scratch the precision surfaces.
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.