Precision Extrusion Molding Aluminum Heat Sink with High-Purity Aluminum Alloy and CNC Precision Milling for Electronic Components
Price:
1-10 USD/PCS
MOQ:
1PCS
Delivery Time:
2-4 weeks
Product Description
Fin Extruded Aluminum Heat Sinks Suppliers For Electronic Component Thermal
Precision Extrusion Technology
The core of the aluminum radiator utilizes precision extrusion molding technology, relying on specialized customized molds and high-precision extrusion equipment to integrate 6061/6063 high-purity aluminum alloy ingots into a single piece. This eliminates the need for subsequent complex processes such as splicing and welding, fundamentally solving thermal conduction faults and loose structures found in traditional spliced radiators.
This process precisely controls fin height, density, and thickness, and flexibly achieves various structures including dense teeth, wide surfaces, and irregular shapes. The uniform error of fin tooth pitch is ≤ 0.1mm. While maximizing heat dissipation area expansion, it ensures the overall structure maintains strong rigidity, excellent deformation resistance, and vibration resistance for long-term high-load operation without looseness or structural failure.
High-Efficiency Production
Compared to welding, casting, and other processes, the extrusion molding process enables high-speed, large-scale continuous production, increasing production efficiency by more than 50%. Product consistency in batch production is extremely high for both size and heat dissipation performance, with no individual differences.
This process meets mass production needs for large-scale procurement such as photovoltaic power plants and new energy production lines while effectively controlling production costs. The extrusion molding process is simple with a yield rate exceeding 98%, significantly reducing production losses and strengthening the product's high cost-effectiveness advantage for various industries' bulk procurement requirements.
Precision Surface Treatment
After extrusion molding, the installation surface and positioning holes undergo CNC precision milling and grinding treatment, achieving a surface smoothness of Ra0.8μm or better and flatness error of ≤ 0.02mm. This enables seamless fitting with equipment core heating elements, greatly reducing contact thermal resistance and preventing local heat accumulation at heat source points.
This allows equipment-generated heat to quickly conduct to heat dissipation fins, maximizing aluminum material's thermal conductivity advantage. Positioning holes are precisely formed without requiring secondary processing and can be directly assembled, effectively improving equipment assembly efficiency while reducing assembly errors and labor costs.
Advanced Surface Protection
To address aluminum alloy's susceptibility to oxidation and corrosion, heat sinks undergo anodizing, sandblasting, or electrophoretic surface treatment after extrusion molding. This forms a dense oxidation protective layer on the aluminum surface, effectively strengthening the product's anti-oxidation, anti-corrosion, dust-proof, and wear-resistant properties.
This protection resists erosion from dust, moisture, and oil in industrial environments, preventing problems such as surface detachment and decreased thermal conductivity after aluminum oxidation. Surface treatment also optimizes heat exchange efficiency of the dissipation surface, reducing obstruction from dust and scaling while further improving heat dissipation stability for long-term performance.
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Company
Dongguan Hongtech Thermal Products
Location
No 5, Donghuan 2 Road, Ludong Section, Humen Town Dongguan City, Guangdong Province, China 523935
Contact Person
Jerry Zhou