CNC Machined Heat Sinks: Precision Thermal Solutions For Mission-Critical Applications
Eliminate thermal bottlenecks with our precision CNC machined heat sinks – engineered for applications demanding micron-level accuracy and uncompromising reliability.
- Product Introduction
Eliminate thermal bottlenecks with our precision CNC machined heat sinks – engineered for applications demanding micron-level accuracy and uncompromising reliability. We transform aerospace-grade aluminum into custom thermal solutions with ±0.025mm tolerances and optimized thermal pathways. Unlike extruded or cast alternatives, our CNC-fabricated thermal systems deliver superior flatness (≤0.03mm/mm) for perfect component contact, making them ideal for semiconductor equipment, laser systems, and defense electronics where thermal precision defines performance.
Products Specification
|
Base Material |
6061-T6 Aluminum (170 W/m·K) / 6082-T6 (High Strength) |
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Critical Tolerances |
- Flatness: ≤0.03mm/mm (ISO 2768-f) - Hole Position: ±0.025mm - Surface Finish: Ra 0.4-1.6μm |
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Thermal Performance |
- Thermal Resistance: 0.08-0.35°C/W - Heat Capacity: 50W-2kW |
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Standard Dimensions |
- Max Single Piece: 500×400×150mm - Min Feature Size: Ø0.5mm |
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Surface Treatments |
- Type III Hardcoat Anodizing (50-75μm) - Electroless Nickel Plating - Chemical Conversion Coating |
Product Features
- Zero-Interface Thermal Transfer: CNC-machined surfaces ensure >98% contact with components
- Complex Geometry Capability: Create **integrated thermal-mechanical assemblies impossible with extrusion
- Military-Grade Protection: Hardcoat anodizing withstands 1,500+ hr salt spray (ASTM B117)
- Vibration Resilience: Monolithic construction survives 20G shocks (MIL-STD-810H)
- EMI/RFI Shielding: Machined grooves for Faraday cage integration (70dB attenuation)
- Fluid Channel Integration: Direct-machined coolant paths with 10:1 aspect ratios
- Weight Efficiency: 40% lighter than copper equivalents with comparable performance
- Rapid Iteration: Design changes implemented without tooling investment
Products Application
Our precision-machined thermal solutions excel in critical environments:
- Semiconductor Plasma Etch Tools
- CO2 Laser Cutting Heads
- 5G mMIMO Power Amplifiers
- Avionics Cooling Systems
-Medical Linear Accelerators
- Quantum Computing Modules
- High-Frequency Trading Servers
- Defense Radar Electronics
Precision Manufacturing Process
Stage 1: Digital Prototyping
• Thermal FEA Simulation
• Vibration Analysis
• DFM Validation
Stage 2: Aerospace-Grade Machining
1. 5-Axis CNC Machining:
- Adaptive toolpath milling (±0.025mm)
- Micro-drilling (Ø0.5mm holes)
- Thread forming (M1.6-M12)
2. Surface Enhancement:
- Micro-bead blasting for TIM adhesion
- Multi-stage ultrasonic cleaning
3. Anodizing:
- Automated Type III hardcoat (60-70 HRC)
- Sealed in nickel acetate solution
4. Validation:
- CMM verification (≤3μm accuracy)
- Thermal imaging under load
- Helium leak testing (10⁻⁹ mbar·L/s)
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