High-Performance Die-Cast Aluminum heat sinks Manufacturer
Custom Industrial Cooling Solutions
Die casting is a highly efficient manufacturing process that can produce parts with complex shapes. With die casting, heat sink fins can be incorporated into a frame, housing or enclosure, so heat can be transferred directly from the source to the environment without additional resistance. When used to its full potential, die casting provides not only excellent thermal performance, but also significant savings in cost.
1. Die Castign Heat Sink Introduction
1.1 Advanced Design & Engineering
Our die-cast aluminum heat sinks integrate cutting-edge engineering to deliver unmatched thermal performance:
- Monolithic Structure: Single-piece ADC12 aluminum alloy casting eliminates weak joints, while optimized internal channels extend coolant retention by 25%.
- Enhanced Heat Dissipatio*: Precision-designed fins increase surface area by 30% compared to traditional heat sinks. Hidden coolant channels ensure safe-to-touch surfaces (<50°C).
- Pressure Resilience: Reinforced rib structures withstand 2.5MPa pressure, ideal for high-rise HVAC systems.


1.2 Key Advantages
- Lightweight: 65% lighter than steel heat sinks (avg. 3.2kg/m²), reducing shipping and installation costs.
- Corrosion Resistance: Natural oxide layer + 25µm anodized coating ensures 20+ years in aggressive environments (pH 5-10).
- Energy Efficiency: 200W/m·K thermal conductivity outperforms copper-aluminum composites by 18%.
- Eco-Safe: RoHS-compliant electrophoretic coating (0 VOC emissions) with optional fire-retardant finishes.
2. Industrial Applications
2.1 Precision Cooling Solutions Across Industries
- Industrial Machinery: Stable thermal management for injection molding (180-300°C zones), CNC systems, and laser cutting equipment.
- Automotive & EV: Battery thermal control systems (100-400V applications), ICE cooling, and onboard charger heat dissipation.
- Telecom/Data Centers: 5G base station cabinets (up to 15kW heat load), server rack cooling with 92% airflow efficiency.
- Commercial HVAC: Modular heat sinks for spaces from 10m² to 5,000m² facilities.


3. Technical Specifications & Manufacturing
3.1 Material & Production
- Raw Material: ADC12 aerospace-grade aluminum (JIS H5302 standard) with <0.15% impurity rate.
- Process: 800-1600T cold-chamber die-casting machines ensure <0.01mm/mm dimensional tolerance.
- Surface Treatment: 3-stage pre-treatment → Anodizing (MIL-A-8625 Type II/III) → UV-resistant powder coating (RAL color matching).
3.2 Performance Metrics
| Parameter | Specification | |||
| Operating Temperature | -30℃ to 730℃ | |||
| Max Working Pressure | 2.5MPa(362 PSI) | |||
| Salt Spray Resistance | 1200 hours(ASTM B117) | |||
| Thermal Output | 1200-1800 W/section |
4. Quality Assurance & Certifications
- Production Capacity: 15,000+ units/month with 48-hour rapid prototyping.
- Testing Protocols: 100% helium leak testing, 3D CT scanning for porosity analysis.
- Certifications: ISO 9001:2015, CE, TÜV Rheinland, and SGS-certified supply chain.
5. Customization Process
Phase 1: Requirements Analysis
- Submit your thermal load (W), interface dimensions, and environmental factors (humidity, vibration).
Phase 2: Engineering Design
- CFD simulations (ANSYS Fluent) + 3D prototyping → 7-day sample approval.
Phase 3: Production & Delivery
- 15-30 days lead time for batches from 50 to 50,000 units.
6. Why Choose Us?
- Proven Expertise: 18 years in die-casting with global clients.
- Cost Efficiency: 22% lower lifecycle costs vs. extruded aluminum alternatives.
- Warranty: 10-year limited warranty with 72-hour emergency response.