High-Precision Aluminum Die Casting Heat Sink & Electronic Housing

Core Design & Structural Advantages

Designed for durability and precision, these housings provide excellent electromagnetic interference (EMI) shielding and environmental protection. Our state-of-the-art facility ensures that every part meets the stringent cooling requirements of high-power LED systems, automotive electronics, and industrial power supplies.

Technical Specifications 

Key Features & Engineering Advantages

1. Maximum Thermal Efficiency: The high-density fin design is optimized via CFD (Computational Fluid Dynamics) to ensure rapid heat transfer away from sensitive electronic components, extending their operational lifespan.

2. Superior Material Integrity: We utilize premium ADC12/A380 aluminum, providing an ideal balance of fluidity for complex casting, high mechanical strength, and excellent corrosion resistance.

3. Secondary CNC Precision: For critical mounting surfaces and connector interfaces, we perform secondary CNC machining to achieve micron-level flatness and thread accuracy.

4. Porosity & Leakage Control: Utilizing vacuum-assisted die casting and X-ray inspection, we minimize internal porosity, ensuring the housing can maintain a reliable IP67/IP68 seal for outdoor applications.

5. Excellent EMI/RFI Shielding: The inherent properties of aluminum provide a natural barrier against electromagnetic interference, protecting internal circuitry from signal noise.

Applications

• LED Lighting: High-power street light housings, stadium floodlight heat sinks, and grow light frames.

• Automotive Electronics: EV inverter housings, ECU enclosures, and ADAS sensor brackets.

• Telecommunications: 5G small cell base station housings and router heat sinks.

• Power Electronics: Solar inverter enclosures and industrial power supply chassis.

  
  

Quality Assurance & Testing

We follow a zero-defect quality protocol for every production batch:

• X-Ray Defect Detection: Ensuring structural density and zero critical porosity.

• CMM Dimensional Verification: 100% inspection of critical-to-quality (CTQ) dimensions.

• Salt Spray Testing: Verifying surface finish durability in harsh environments.

• Thermal Cycling Analysis: Ensuring stability under extreme temperature fluctuations.

  
  

FAQ

Q1: Can you provide a custom thermal analysis for my design?

 A: Yes. Our engineering team can provide DFM (Design for Manufacturability) feedback and preliminary thermal suggestions based on your 3D files to optimize fin thickness and spacing.

Q2: What is the typical lead time for a new die-cast tool?

 A: For standard heat sinks, the tooling phase usually takes 30 to 45 days, including mold design, CNC fabrication, and T1 sample submission.

Q3: Which aluminum alloy is best for thermal conductivity?

 A: While A380 is the most common for its versatility, A360 offers better thermal conductivity and corrosion resistance. We can recommend the best alloy based on your specific application.

Q4: Do you handle secondary assembly, such as thermal pads or gaskets? 

A: Yes, we offer a "one-stop" solution, including secondary CNC machining, surface treatment, and sub-assembly of thermal interface materials (TIMs) and gaskets.

Packaging & Delivery

• Packaging: ESD-safe protective bags, foam lining, and sturdy master cartons to prevent damage during transit. Custom sterile packaging available for medical applications.

• Lead Time: Mold development: 20-30 working days; Mass production: 10-20 working days (adjustable based on order quantity).

• Payment Terms: T/T, L/C, and other standard international trade terms supported.

• Logistics Options: DHL, FedEx, sea freight, and air freight to meet delivery time requirements.