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Skived Fin Heatsink
- Superior Thermal Efficiency: The skiving process produces ultra-thin, densely packed fins with seamless integration into the base. This results in significantly enhanced thermal performance-with 12-22% higher conductivity over extruded heatsinks and 62-74% compared to die-cast ones.
- Monolithic Construction: Skived fins are carved directly from a solid block and formed in place, creating a single-piece fin and base structure-eliminating interface gaps and thermal resistance associated with bonded or soldered designs.
- High Aspect Ratio and Fin Density: Achieves fin aspect ratios exceeding 50:1 and extremely high fin pack density-units like copper fins up to 25:1 or aluminum up to 60:1-offering maximum surface area in minimal space.
- Cost-Effective & Flexible Tooling: No expensive extrusion tooling is needed. Skiving enables fast prototyping, customizable geometries, and acceptable cost even for small batches.
- Material Versatility & Reliability: Available in aluminum or copper-offering lightweight options or maximum conductivity-and packaged in a highly durable, single-piece design.
Skived Fin Heatsink Product
Customization Capabilities
Skived-fin heat sinks are tailored to deliver precise thermal performance, compact form, and flexible manufacturing across diverse applications.
- Material Choices: Copper (high thermal conductivity) or aluminum (lightweight and cost-effective).
- Fin Geometry: Customizable fin height, density, and thickness-fins as thin as 0.05 mm (aluminum) and tall fin ratios up to 60:1.
- Manufacturing Process: Skiving from solid bars-no molds, minimal tooling-allowing quick prototype cycles (2-3 weeks) and flexible configurations.
- Post-Machining Integration: Compatible with CNC machining and heat pipe assembly for enhanced thermal performance.
- Surface Finishes: Options such as anodizing, passivation, or custom coatings to suit application needs.
- OEM/ODM Ready: Fully customizable design, branding, and production managed in ISO-certified facilities.
- Applications: Servers, telecommunications, power electronics, LED modules, inverters, and high-power industrial devices.
- Quality Assurance: 100% thermal performance testing and tight QC standards.
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Why Partner with Sinoextrud for Your Skived Fin Heatsink Needs?
We are more than just an aluminum profile supplier — we’re your efficient, reliable, long-term partner.
With Us, You Get:Faster turnaround，Stable quality，Competitive pricing，End-to-end support.
Large-Scale Manufacturing：Our factory spans 1,000 mu (about 667,000 m²), with full in-house capabilities from aluminum smelting and billet casting to extrusion, surface treatment, and CNC machining.
One-Stop Solution：With 43 extrusion lines (500–5500 tons) and a dedicated mold partner, we provide fast production, custom profiles, and integrated services to simplify your supply chain.
Quality You Can Trust：Strict quality control ensures consistent dimensions, strength, and finish, reducing your risk and increasing reliability.
Fast Delivery & Cost Efficiency：Self-produced billets, in-house processing, and batch production mean faster lead times and lower overall costs.
Advanced Finishing Options：Anodizing and both vertical and horizontal powder coating lines deliver durable, high-quality surface finishes tailored to your product needs.
Factory Overview
Furnace workshop
Aluminum bar production
Mold Warehouse
500-5500 Tons Extruder
Spraying workshop
Anodizing workshop
Deep Processing Workshop
CNC Machining Workshop
Finished goods warehouse
Finished goods warehouse
Finished goods warehouse
Export warehouse
5500 Ton Extrusion Press
Aluminum extrusion press
Large Aluminum Extrusion Line
Aluminum extrusion production line
Extrusion workshop
IATF 16949 Certification
TUV
Finished goods warehouse
Export warehouse
-Standard Packing Option-
* Long bar length profiles 3.0-6.0 meters*
Protective Film
Shrink Sleeve
Brown Paper
Craft Paper
* Short bar length profiles 0.3-3.0 meters*
EPE Foam
Poly Bag
Wooden Crate
Wooden Case
-Loading & Shipment-
Pallet Loading
Bulk Loading
LCL Loading
Expedited Express
STEPS
How to work with us
Sample & Test
Creating a prototype to assess dimensions and ensure the mold's precision aligns with the requirements.
Extrude & Finish
Producing the aluminum profile with pinpoint accuracy to the given specifications and applying desired finishes.
Pack & Deliver
Tailored packaging for the extruded profiles, ensuring safe and efficient loading for prompt delivery.
Skived Fin Heatsink-FAQ's
What is a skived fin heat sink?
It’s produced by slicing and bending fins directly from a solid metal block, creating a monolithic fin-base structure.
How does it compare to extruded or die-cast heat sinks?
Skived fin sinks outperform with 12-22% better thermal conductivity than extruded ones and 62-74% compared to die-cast ones.
What materials are available?
Options include copper for maximum heat transfer or aluminum for lighter, cost-efficient designs.
How small can the fins be?
Fins can be extremely thin-0.05 mm for aluminum-allowing ultra-dense heat dissipation geometry.
Is tooling expensive?
No-skiving uses the same tool for all fins, reducing tooling costs and enabling fast prototyping.
Can the heat sink include heat pipes?
Yes-skived fins can be combined with heat pipes to tackle high-power thermal challenges.
What are typical applications?
Commonly used in 1U server CPU coolers, telecom equipment, LEDs, inverters, and industrial electronics.
How fast is production?
Prototype delivery in ~2-3 weeks; lead time may vary depending on post-processing and customization level.
How reliable are skived fins?
Built from a single material block, they avoid delamination, ensuring high structural and thermal reliability.
Which materials are best for high-performance cooling?
Copper offers highest conductivity; aluminum provides a balance of cost and performance.
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Sinoextrud: Your Skived Fin Heatsink Manufacturer
Skived-fin heat sinks epitomize high-performance thermal management by integrating ultra-thin, ultra-dense fins directly from a solid base. This monolithic construction achieves exceptional heat dissipation with minimal thermal resistance.
Manufactured in ISO-certified facilities with flexible tooling, they offer rapid prototyping and scalable production of both aluminum and copper variants. Combined with optional heat pipes or CNC customization, they deliver tailored cooling solutions for high-power and space-constrained environments.
Skived-fin sinks excel in 1U server CPUs, telecom modules, LEDs, inverters, and other critical systems where thermal efficiency, reliability, and size are paramount.
By leveraging skiving technology, designers benefit from compact, mechanically robust, and thermally optimized components-backed by fast turnaround, design flexibility, and stringent quality assurance.
Contact us to explore a skived-fin solution tailored to your thermal design needs-from fin geometry and material selection to integration with heat pipes or OEM branding.