Copper Skived Heat Sink
The Skived fin technology, takes an entire piece of aluminum or copper and use special skived machine to skive fins with standard spacing and a certain thickness and height. By using this technology to make the skiving fin heat sink.
Advantage:
(1) Perfect conductivity between base and fins. Because skived fin heat sink is a whole profile without any connection point, which can give full play to the heat dissipation characteristics of the heat sink.
(2) High density fin, Awind skived fin process can make the skived fin more thinner and denser, with higher heat transfer efficiency.
(3) Relative to other processing technology, by using skiving fin technology the same volume of raw materials can be cut out more heat dissipation area, and the heat transfer performance is more stable.
(4) Compared with aluminum extrusion and other processes, skived fin heat sink is less limited in size and can be made wider, which can be used for heat transfer of machines with large power.
(5) Customized skiving fin heat sink does not need expensive tooling but can provides greater design flexibility. Instead, each skiving fin is cut separately using the same tool which allows for lower tooling costs.
Materials:
The material of skiving fin heat sink usually uses aluminum or copper.
Copper: Depending on the inclination and thickness, the height of the fin can reach 50mm, and the inclination of the fin is 1mm.
Aluminum: Depending on the inclination and thickness, the height of the fin can reach 50mm, and the inclination of the fin is 1.3mm.
(Copper skiving fin heat sink)
(Aluminum skiving fin heat sink)
Skiving Specification
mm | Al | Cu |
Fin height | 2~150 | 4~100 |
Fin thickness | 0.1~2 | 0.2~2 |
Fin width | 2~500 | 2~350 |
Pitch | 0.35~ | 0.35~ |
Base thickness | 2~ | 2~ |
Skiving fin process
Takes an entire piece of aluminum or copper and use special skived machine to cut out fins with standard spacing and a certain thickness and height. Heat sink can be formed in one processing without welding.
Before (Raw material) | After (Skiving fin heatsink) |
Step1: Cutting
Cut the raw material into sections, each section is about 500mm in length.
Step2: Skiving Process
Input the products data to the machine, such as spacing, height, thickness and other data.
Start the machine, engineer monitors the machine, inspects the semi-finished products to make sure it meets the data requirements.
(Skiving machine)
(Skiving Fin)
Step3: Processing
According to customer needs, process the semi-finished skiving fin heat sink.
Dicing
Cut the semi-finished skiving fin heatsink into blocks
CNC machining
Brush surface finish
Grinding
Application
Skived fin heat sink are mainly suitable for industries with high thermal density and high power dissipation requirements, which are widely used in power, medical, communication, industrial control, base station, charging pile, inverter, controller, wind power converter, LED lights and server industries.
Conclusion
We have rich production experience in skiving fins heat sink technology. Whether it is a fine skived fin heat sinks with a width of 1cm or a large skived fin heatsinks structure with a length of 1.5m, we can produce stably. Whether the fin spacing reaches 2mm or the fin height reaches 15mm, we have mature practical cases to provide reference, which can meet the structural design and performance requirements under different heat dissipation needs.
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