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Aluminium Heat Sink Radiator Extrusion Manufacturer

we are dedicated to redefining thermal management for electronic devices and industrial applications. As a leading Aluminium Heat Sink Radiator Extrusion Manufacturer, we specialize in the art and science of creating high-performance heat sinks through precision extrusion.

extruded aluminum alloy heat sink Radiator Profiles suppliers

What does a Heat sink radiator mean?

Heat sink means our device CPU is too hot, longer working time, the heat can not go down and will damage the CPU. so we need some Metal that conducts heat quickly away. Aluminium Alloy is a good choice to conduct heat quickly.  Through the below form, we can find the thermal conductivity between copper and aluminium alloy.

Aluminium Heat Sink Radiators Benefits

Aluminium heat sink radiators are widely used in various industries due to their numerous advantages, including efficient heat dissipation, improved performance and lifespan of electronic devices, energy efficiency, cost-effectiveness, and eco-friendliness. Here’s a detailed exploration of these benefits:

Efficient Heat Dissipation:

Aluminium is an excellent conductor of heat. It quickly absorbs and spreads heat away from electronic components, ensuring that the temperature of the device remains within safe operating limits.

The design of heat sink fins maximizes the surface area, promoting better airflow and heat dissipation.

Enhanced Performance and Lifespan:

By maintaining lower operating temperatures, aluminium heat sinks can significantly enhance the performance of electronic devices. Overheating can cause thermal throttling, reduced processing speeds, and even device failure, so efficient cooling is essential.

Prolonged exposure to high temperatures can also shorten the lifespan of electronic components, making aluminium heat sinks invaluable for increasing the durability and reliability of devices.

Energy Efficiency:

Maintaining proper thermal management with aluminium heat sinks reduces the need for active cooling solutions like fans, which can be energy-intensive and noisy. This contributes to overall energy efficiency, especially in applications where power consumption is a concern.

In industrial settings, such as data centers, efficient heat dissipation can reduce cooling costs and minimize energy consumption.


Aluminium is a relatively inexpensive material, making it a cost-effective choice for heat sink production.

The ease of manufacturing and machining aluminium allows for cost-efficient customization, which is essential for various industries with unique cooling requirements.


Aluminium is a highly recyclable material, and the recycling process consumes significantly less energy compared to primary aluminium production. This makes aluminium heat sinks an eco-friendly choice.

Reduced energy consumption due to efficient cooling also contributes to a smaller carbon footprint, benefiting both the environment and operating costs.


Aluminium heat sinks are adaptable to various industries and applications. They can be found in consumer electronics like laptops and smartphones, as well as in power electronics, automotive systems, industrial machinery, and renewable energy systems.

The lightweight nature of aluminium is advantageous in applications where weight is a concern, such as aerospace and automotive industries.

Corrosion Resistance:

Aluminium naturally forms a thin oxide layer on its surface, providing corrosion resistance. This feature ensures that aluminium heat sinks maintain their integrity and heat dissipation capabilities over time.

the customization options for aluminium heat sinks

Customization Options Description       
Size and Dimensions Various sizes tailored to device or enclosure needs
Shape and Fin DesignDiverse shapes and optimized fin designs            
Material ThicknessAdjustable thickness for specific thermal needs
Mounting OptionsChoice of mounting methods for secure installation
Surface Finish & CoatingsCustom finishes and coatings for aesthetics and protection
Branding & Unique FeaturesIncorporate branding elements and unique features
Thermal Performance OptimizationDesign for maximum cooling efficiency 
Volume Production & PrototypingSupport for both single prototypes and large-scale production
Consultation & Design SupportGuidance on choosing the best heat sink solution
Cost OptimizationTailor solutions to meet budget and performance goals
the customization options for aluminium heat sinks

Customization of aluminium heat sinks is a crucial aspect of meeting the diverse and evolving needs of industries. It enables businesses to not only enhance the thermal performance of their products but also to create unique and branded solutions that stand out in the market, ultimately giving them a competitive advantage and satisfying their customers’ demands.

Aluminium Heat Sink Manufacturing Methods

Aluminium heat sinks are manufactured using various methods, each suited to different requirements and production scales. Here are some common manufacturing methods for aluminium heat sinks:


Extrusion is the most common method for producing aluminium heat sinks. It involves forcing a heated aluminium billet through a die to create the desired shape. The heat sink profile is essentially “extruded” through the die, and then it is cut to the required length.

Aluminum Extrusion offers high precision, scalability, and cost-effectiveness. It’s suitable for both simple and complex heat sink designs. The extruded profiles can have various shapes, including straight fins, pin fins, and elliptical fins.


Die-casting is used for high-volume production and involves injecting molten aluminium into a steel mold (die) to form the heat sink. It’s especially suitable for producing complex and detailed heat sink designs.

Die-casting offers excellent surface finish and dimensional accuracy, making it ideal for applications where aesthetics or specific tolerances are crucial.

Bonded Fin Heat Sinks:

Bonded fin heat sinks are assembled by attaching pre-formed fins to a base using thermal epoxy or adhesive. The base is usually an extruded or machined part.

This method provides flexibility in designing heat sinks with various fin styles and materials. It is commonly used for low to medium production runs.

Skived (Machined) Heat Sinks:

Skiving, also known as machining, involves removing material from a solid aluminium block to create the desired heat sink profile. It is a precise method that allows for very high aspect ratio fins.

Skived heat sinks are often used when the design requires specific geometries or extremely tight tolerances.


Stamping is a method where aluminium sheets are stamped or pressed to form the heat sink shape. It’s suitable for producing simple, flat, and lightweight heat sinks.

Stamped heat sinks are cost-effective and used in applications where high precision and intricate designs are not necessary.

Folded Fin Heat Sinks:

Folded fin heat sinks are made by folding and interlocking thin aluminium sheets to create a heat sink structure. This method is used when weight and space are critical considerations.

Folded fin heat sinks are commonly found in aerospace and automotive applications.

Additive Manufacturing (3D Printing):

3D printing is a newer method for creating aluminium heat sinks, primarily for highly customized and low-volume applications. It involves selectively depositing aluminium layer by layer to build the heat sink.

Additive manufacturing allows for intricate and complex geometries and is advantageous for rapid prototyping.

Each manufacturing method offers its own set of advantages and limitations, and the choice depends on factors like design complexity, production volume, cost considerations, and specific thermal requirements. Manufacturers often select the method that best aligns with the intended application and the customer’s needs.

Heat sink means our device CPU is too hot, longer working time, the heat can not go down and will damage the CPU. so we need some Metal that conducts heat quickly away. Aluminium Alloy is a good choice to conduct heat quickly.  Through the below form, we can find the thermal conductivity between copper and aluminium alloy.

Metal thermal conductivity  W/mK
aluminum Alloy237

Heat Sink Radiator Application

Cut the profile with proper dimensions.
With a Jig or fixture, run CNC Machining. to get the shape we want.
Drill or Threading. Remove Burrs or flash. Then drill hole or tap the thread according to the drawing.
Aging or Heat treatment with T5/ T6
Anodizing Oxidation


All kinds of electronics such as computers,television sets,power amplifiers,freezers,electrical welding machines,LED lights,Power Supply Inverter Etc.