Extruded Aluminum Heatsink
Extruded aluminum heat sinks are an effective solution for a wide range of cooling applications due to their excellent thermal characteristics, lightweight construction, and low cost. These heat sinks are widely used in electronic devices such as computers, LED lights, automotive electronics, and power supplies, where heat dissipation is critical to prevent damage to the devices.
- Product Introduction
Extruded Aluminum Heatsink
Precision Engineered Thermal Solutions for Industrial Applications
Master thermal challenges with our precision Extruded Aluminum Heatsinks – the cornerstone of efficient thermal management across industries. We manufacture custom extruded thermal profiles that transform complex thermal requirements into high-performance solutions. Unlike off-the-shelf options, our application-specific extrusion designs leverage advanced die technology and thermal engineering to deliver superior heat dissipation for power electronics, LED systems, and industrial equipment. Every profile undergoes CFD optimization to ensure your high-efficiency cooling solutions exceed performance expectations while reducing total system costs.
Product Description
Extruded aluminum heat sinks are an effective solution for a wide range of cooling applications due to their excellent thermal characteristics, lightweight construction, and low cost. These heat sinks are widely used in electronic devices such as computers, LED lights, automotive electronics, and power supplies, where heat dissipation is critical to prevent damage to the devices.
Extruded aluminum heatsink is a passive cooling device that transfers heat from a thermal source to the ambient environment. It consists of a base plate and a series of fins that increase the surface area of the heat sink, allowing for efficient heat dissipation.
Specification
The specification of an extruded aluminum heat sink may vary depending on the application, the thermal requirements, and the available space. The design of the heat sink can be customized to meet the specific needs of each application by adjusting the size, shape, and number of fins.
| Product | Extrusion aluminum heatsink |
| Material | 6000 series aluminum |
| Temper | T3-T8 |
| Tolerance | ±0.02mm |
| Capability | Output 5000 tons per month |
| Finishing | Degreasing, Anodizing, Sand Blasting, Painting, Chromating and Laser marking. |
| Sample Time | Samples with differernt sizes are availabe for prototypes test within 1 week. |
| Mass production time | About 22-30 days. |
| Testing Equipment | Measurement instrument, Projector, CMM, Altimeter, Micrometer, Thread Gages, Calipers, Pin Gauge etc. |
| Inspection | 100% QC, can provide inspection every batch |
| Drawing | 3D drawing, step / .stp, 2D Drawing: .dxf/ .dwg / .pdf |
Features
The features of extruded aluminum heat sinks include:
Thermal Efficiency: Optimized fin density/aspect ratios increase surface area by 40%
Design Freedom: Create complex extruded thermal geometries impossible with machining
Integrated Functionality: Combine heatsink, housing, and mounting features in one profile
Weight Optimization: 30% lighter than fabricated alternatives
Corrosion Resistance: MIL-spec anodizing for harsh environments
Scalable Production: Consistent quality from prototypes to 500,000+ units
Zero Interface Loss: Monolithic construction eliminates thermal barriers
Vibration Resilience: Continuous grain structure withstands 8G shocks
Products Application
Extruded aluminum heat sinks are used in a wide range of applications, including LED lighting, power supplies, automotive electronics, computer components, and more. These heat sinks are ideal for applications that require efficient heat dissipation without the need for additional cooling systems.
Power Electronics (IGBTs, MOSFETs, Rectifiers)
LED Lighting Systems (High-Bay, Street, Stadium)
EV Power Components (OBC, DC-DC Converters)
Renewable Energy (Solar Inverters, Wind Controllers)
Industrial Automation (Motor Drives, PLC Enclosures)
Telecom Infrastructure (5G RRUs, Base Stations)
Medical Equipment Cooling
Test & Measurement Devices
Technology & Development
Extruded aluminum heatsinks are created through an extrusion process. Aluminum alloy is heated and forced through a shaped opening (die) under high pressure, forming the desired heatsink profile. This process allows for complex shapes and intricate fin designs, optimizing the heatsink's cooling capabilities.
The technology and production of extruded aluminum heat sinks involve the extrusion process, which involves pushing a heated aluminum billet through a die to form the desired shape. The extruded shape is then cut to the desired length and drilled or machined to create fins or other features. The heat sink is then finished with anodizing or other coatings to improve its durability and corrosion resistance.
The development of extruded aluminum heat sinks has been driven by the increasing demand for more efficient and reliable cooling solutions in electronic devices. Innovations in manufacturing processes, material properties, and design have enabled the development of highly effective and cost-efficient heat sinks that can meet the diverse needs of different applications. With continued research and development, extruded aluminum heat sinks are likely to remain a popular choice for cooling electronics for years to come.
1. Collaborative Design Phase
• Thermal simulation (CFD) • Structural FEA • DFM analysis
2. Advanced Extrusion
Billet Preparation:
Homogenization at 585°C ±5°C
Nitrogen-Assisted Extrusion:
800-2500 ton presses
Online Quenching:
Rapid cooling for T5/T6 properties
Stretching & Cutting:
Precision length control (±0.5mm)
3. Value-Added Processing
CNC machining (mounting surfaces, holes, threads)
Automated surface finishing lines
Laser etching for traceability
4. Rigorous Validation
CMM inspection (≤5µm accuracy)
Thermal imaging under load
Salt spray testing (ASTM B117)
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