Durable, High Quality, and Precise – Aluminum Heat Sink from Moldie
Effective thermal management is the lifeline of modern high-power electronics and automotive systems. At Moldie, we specialize in manufacturing high-performance custom die-cast aluminum heat sinks designed to dissipate heat rapidly and protect your critical components from overheating. Unlike standard extruded profiles, our high-pressure die casting process allows for complex fin geometries, integrated mounting structures, and optimal thermal conductivity—making them the ideal cooling solution for Electric Vehicles (EVs), telecommunications, LED lighting, and industrial electronics.
Why Choose Moldie’s Die Cast Aluminum Heat Sinks?
- Superior Heat Dissipation: Utilizing high-quality aluminum alloys like ADC12, A380, and AlSi9Cu3, our heat sinks provide excellent thermal conductivity, ensuring rapid heat transfer away from sensitive electronic units (ECUs) and EV battery modules.
- Complex Fin Geometries: Through advanced die casting, we can produce omni-directional pin-fin designs or complex cross-cut fins that maximize the surface area for convective cooling—shapes that are impossible to achieve with traditional extrusion.
- Net-Shape Manufacturing: We integrate heat sinks directly with device housings or chassis into a single, seamless component. This eliminates the need for secondary assembly, saving costs and reducing thermal resistance at contact joints.
- Custom Surface Finishes: To further enhance thermal radiation and environmental corrosion resistance, we offer tailored surface treatments including anodizing, powder coating, sandblasting, and e-coating.
Precision Tooling for Repeatable Quality
As an ISO 9001:2015 certified manufacturer and experienced Tier 2 tooling supplier, the foundation of our heat sinks lies in our exceptional mold quality. We utilize durable LKM C50 + P20 mold bases paired with high-strength inserts (made from premium Dievar, H13, 8407, or 1.2344 steel). Complying with international tooling standards such as HASCO, DME, and MISUMI, our molds undergo rigorous heat treatment (>HRC45) to ensure longevity and dimensional stability over millions of high-pressure casting cycles.
Parameters of Product
| Mold Base | LKM C50 + P20 for AB, Cast iron etc. |
|---|---|
| Inserts(cavity and core) | Dievar, H13, 8407, 1.2344 or the material you required |
| Standard | HASCO, DME, MISUMI, PUNCH and so on |
| Product Material | ADC12, ADC14, A360, A380, AlSi9Cu3 and so on |
| Mold Treatment | Heat Treatment >HRC45 |
| Product Surface | Sand blasting, Powder coated, Painting, Anodizing, etc |
| Shape & Color | Can be design according to your needs |
| Process | High Pressure Die Casting |
| Certificated | ISO 9001:2015 Certificated |
Trade Information
| MOQ | 1 set |
|---|---|
| Mold lead time | T1 sample, about 3-10 weeks, according to the mold requirement |
| Production lead time | 2-5 weeks, according to the order Qty |
| Mold payment term | 50% T/T deposit with PO, balance 50% T/T after sample approved |
| Products payment term | 30% T/T deposit with PO, balance 70% T/T before shipment |
| Port of loading | Ningbo or Shanghai port |
