CNC Machined Copper Block with Fine Microchannel Structure
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Product parameters
Parameter | Specification / Range |
Product Name | Copper Microchannel Plate / CNC Cooling Plate / Microchannel Heat Sink |
Material | Copper (C1100 / C1020) / Copper Alloy (optional) |
Manufacturing Process | CNC Machining / Milling / Drilling / Finishing |
Structure Type | Microchannel / Slot Channel / Custom Flow Design |
Plate Thickness | 2 – 50 mm (customizable) |
Channel Width | 0.2 – 2.0 mm (depending on design & tool) |
Channel Depth | 0.5 – 10 mm (customizable) |
Channel Pitch | 0.3 – 3.0 mm |
Surface Roughness | Ra 0.8 – 3.2 μm (machined) |
Flatness | ≤ 0.05 mm (depending on size) |
Tolerance | ±0.01 – ±0.05 mm |
Surface Treatment | Cleaning / Polishing / Nickel Plating / Anti-oxidation |
Sealing Method | Brazing / Welding / Cover Plate Assembly (if required) |
Cooling Medium | Water / Coolant / Customized fluids |
Thermal Performance | High heat transfer efficiency (design dependent) |
Operating Temperature | -40°C to 200°C (depending on application) |
Pressure Resistance | Based on design (customizable) |
Application | Liquid Cooling / Heat Sink / Heat Exchanger / Thermal Management |
OEM / ODM | Supported |
Drawing Format | STEP / STP / IGES / CAD / PDF |
Sample | Available |
Lead Time | 10 – 25 days |
Packaging | Anti-oxidation packaging / Custom export packaging |
Product Description
Product Description
CNC machined copper block featuring fine microchannel structure for high precision and efficient thermal performance. The solid copper base ensures durability while the microchannels enhance heat dissipation.
Application Field
High-end equipment using copper blocks for cooling
Precision systems requiring CNC machined blocks
Thermal management applications with microchannel structures
Industrial and electronic systems needing heat dissipation blocks

Precision CNC Copper Block with Fine Microchannel Structure for High-End Equipment
In the realm of high-end equipment—spanning aerospace avionics, medical imaging systems, and advanced semiconductor manufacturing—thermal management is not merely about heat dissipation; it is about absolute stability and reliability. A minor fluctuation in temperature or a microscopic leak can lead to catastrophic system failures. Our Precision CNC Copper Block with Fine Microchannel Structure is engineered specifically for these mission-critical applications, where the margin for error is non-existent.
We understand that high-end cooling solutions require more than just standard machining. They demand a synergy of ultra-high precision, material purity, and structural integrity. Our Precision Copper Block series is manufactured to meet the rigorous standards of the world's most demanding industries.
Uncompromising Precision for Thermal Interface
The efficiency of any cooling system is heavily dependent on the quality of the contact between the heat source and the cooler. In high-power laser systems or CPU/GPU cooling, even a microscopic air gap can act as an insulator, causing hotspots that degrade performance.
We specialize in achieving exceptional geometric tolerances. Our Fine Microchannel Block components are machined to ensure a base flatness of ≤0.02mm per 100mm. This level of precision ensures a perfect, gap-free interface with the heat source, maximizing the conductive heat transfer and allowing the microchannels to operate at peak efficiency.
Medical-Grade Cleanliness and Surface Finish
For applications in the medical or semiconductor sectors, cleanliness is as important as thermal performance. Contaminants, burrs, or microscopic particles can clog narrow fluid paths or contaminate sensitive environments.
Our manufacturing process includes rigorous post-processing steps:
- Ultrasonic Cleaning: Every High-End Cooling Block undergoes a multi-stage ultrasonic cleaning process to remove all cutting oils, particulates, and debris from the internal microchannels.
- Deburring: We utilize specialized techniques to ensure all edges are smooth and burr-free, preventing flow turbulence and ensuring the safety of the coolant loop.
- Surface Integrity: Our machining parameters are optimized to prevent surface cracking or tearing, resulting in a smooth finish that resists bio-fouling and corrosion.
Mechanical Robustness for Demanding Environments
While copper is prized for its thermal conductivity, it is often perceived as mechanically soft. However, our processing techniques enhance the mechanical properties of the copper blocks without sacrificing thermal performance.
Key Mechanical Properties:
- Hardness: We achieve a hardness of ≥80 HV through controlled processing, ensuring the block can withstand high clamping forces during assembly without deforming.
- Compressive Strength: The solid block construction offers superior resistance to internal pressure, making it suitable for high-pressure liquid cooling loops often found in industrial and aerospace applications.
Comparison: Standard vs. High-Precision Machining
To illustrate the difference our process makes, we have compared standard CNC machining with our high-precision approach for Fine Microchannel Blocks.
Feature | Standard Machining | Our High-Precision Process |
|---|---|---|
Flatness | ±0.05mm - 0.1mm | ≤0.02mm / 100mm |
Surface Finish | Visible tool marks, potential burrs | Mirror-like finish, burr-free |
Cleanliness | Standard wipe-down | Ultrasonic Cleaned (Class 100 compatible) |
Microchannel Quality | Rough walls, flow restriction | Smooth walls, optimized flow |
Suitability | Consumer electronics, general cooling | Medical, Aerospace, High-End Lasers |
Consulting for High-End Applications
We recognize that high-end equipment often requires bespoke thermal solutions. Whether you need a specific alloy for radiation hardness or a complex manifold design for uniform flow distribution, our engineering team is ready to assist.
We invite original equipment manufacturers (OEMs) in the medical, aerospace, and scientific instrumentation sectors to consult with us on your Precision Copper Block requirements. We provide comprehensive Design for Manufacturability (DFM) analysis to ensure your design is optimized for both performance and production feasibility.
Technical Specifications
- Material: C11000 / T2 High-Conductivity Copper
- Flatness Tolerance: ≤0.02mm / 100mm
- Hardness: ≥80 HV
- Surface Roughness: Ra ≤ 0.4μm (Fine Microchannel Structure)
- Cleaning: Ultrasonic, Oil-Free, Bagged in Cleanroom
- Inspection: CMM Report Available
Elevate Your Equipment with Precision Cooling
Don't let thermal instability limit the performance of your high-end systems. Partner with a manufacturer that understands the nuances of precision copper machining.
Contact us today to discuss your high-precision requirements.
Luna
WhatsApp: 12132219094
Questions and Answers
Frequently Asked Questions (FAQ)
Q1: What is the flatness tolerance of your copper blocks?
A: For our high-precision series, we guarantee a flatness of ≤0.02mm per 100mm. This is critical for ensuring optimal thermal contact with high-power heat sources like laser diodes or processors.
Q2: How do you ensure the microchannels are free of debris?
A: We employ a rigorous ultrasonic cleaning process followed by a high-pressure rinse. For medical or semiconductor applications, we can package the High-End Cooling Block in a cleanroom environment to ensure it is ready for integration.
Q3: Can this block withstand high clamping pressure?
A: Yes. Our Precision Copper Block is processed to achieve a hardness of ≥80 HV. This ensures that the block will not deform under the high torque required for secure mounting, maintaining the integrity of the thermal interface.
Q4: Do you provide inspection reports?
A: Yes. For high-end equipment manufacturers, we provide full dimensional inspection reports, including CMM data for flatness and surface roughness measurements, to validate the quality of the Fine Microchannel Block.
Q5: Can you machine these blocks for vacuum environments?
A: Absolutely. We can perform additional surface treatments and cleaning processes to ensure low outgassing, making our blocks suitable for vacuum-compatible applications in aerospace and physics research.
Factory Description
We have a full set of etching production equipment and mature processing technology. We can manufacture products in any shape with mesh sizes as small as 0.1mm, according to your requirements.
Our Advantage
Factory Direct Shipping
Our products undergo 100% QC checks before shipment, and we ensure compliance with international standards. If you require specific certifications for your target market, just let us know, and we'll meet those requirements.
Experienced Design and Manufacturing Team
We work closely with customers from the design phase to help avoid potential product flaws, ensuring both the functionality and design meet expectations.
Excellent Supply Chain Management
We can quickly adjust production schedules to meet your urgent deadlines, whether it's for large bulk orders or smaller rush orders.
OEM & ODM Support
We offer the option to print your logo or other customizations.
Strict Quality Control
Our products undergo 100% QC checks before shipment, and we ensure compliance with international standards. If you require specific certifications for your target market, just let us know, and we'll meet those requirements.
Certificate
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