Copper CNC Machining Service
We provide dependable copper CNC machining service tailored to your project needs. With rigorous quality inspection and flexible production capacity, we handle custom orders from sampling to bulk manufacturing, ensuring stable quality and on-time delivery.
- Competitive Prices & DFM
- Tolerances up to ±0.01 mm
- 3-axis, 4-axis, and 5-axis CNC machining
- Parts delivered in as fast as 3 days
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Copper in CNC Machining
Copper CNC Machining Capabilities
| Feature | Detail |
|---|---|
| Cost Level | $$$$ |
| Standard Lead Time | 3–5 Working Days |
| General Tolerance | ±0.03 mm |
| Precision Tolerance | Up to ±0.01 mm |
| Minimum Wall Thickness | 0.6 mm |
| Surface Finish | Ra 3.2 μm |
| Max. Part Size | 3500 × 1200 × 500 mm |
C101 copper is high-purity oxygen-free copper with outstanding electrical and thermal conductivity. It features excellent ductility and surface finish after machining, ideal for RF components, electronic conductors, heat sinks and high-precision parts for demanding industrial applications.
| Tensile Strength (MPa) | Fatigue Strength (MPa) | Elongation at Break (%) | Hardness (Brinell) | Density (g/cm³) |
|---|---|---|---|---|
| 220–260 | 80–100 | 45–55 | 45–60 | 8.94 |
C110 electrolytic tough pitch copper is the most widely used general-purpose copper. It features balanced conductivity and good machinability, ideal for standard conductive parts, heat exchangers and industrial hardware.
| Tensile Strength (MPa) | Fatigue Strength (MPa) | Elongation (%) | Hardness (Brinell) | Density (g/cm³) |
|---|---|---|---|---|
| 210–250 | 75–95 | 40–50 | 40–55 | 8.92 |
C103 low-oxygen copper combines reliable machinability and excellent weldability. It is a cost-effective choice for conventional industrial copper components, piping and general conductive assemblies.
| Tensile Strength (MPa) | Fatigue Strength (MPa) | Elongation (%) | Hardness (Brinell) | Density (g/cm³) |
|---|---|---|---|---|
| 215–255 | 78–98 | 42–52 | 42–58 | 8.93 |
Steel CNC Machining Quote Request
Send us your drawings or CAD files for steel CNC machined parts. We will review your requirements and provide a quotation based on material, tolerance, and quantity.
Surface Finishing Options for Steel
We offer full surface finishing processes tailored for copper. These post-processing treatments eliminate CNC machining defects including burrs, scratches and oxidation, adjusting surface roughness, texture and anti-tarnish performance without changing copper’s core conductive and thermal traits.
As Machined
Unprocessed copper straight from CNC machining, retaining original tool marks and surface roughness.
Nickel Plating
Even nickel coating blocks copper oxidation, boosting surface hardness and durable wear resistance.
Polishing
Layered fine polishing removes all flaws to deliver a sleek, bright smooth high-gloss copper surface.
Sand Blasting
Controlled fine abrasives strip marks and oxidation to create a clean uniform matte copper texture.
What is Copper CNC Machining?
Copper CNC machining is a precision manufacturing process that uses automated milling, turning, and drilling operations to produce custom copper components from pure copper stock. Known for exceptional electrical conductivity and thermal transfer performance, machined copper parts are widely adopted in electronics, RF communication, thermal management, and industrial precision equipment.
Due to copper’s soft, ductile material properties, it is prone to burrs, tool adhesion and dimensional deformation during processing. Advanced machining strategies and optimized cutting parameters are applied to maintain tight tolerances, clean surface quality and stable batch consistency for custom copper CNC parts.
Advantages of Copper CNC Machining
1.Exceptional Conductivity: Boasts outstanding electrical and thermal conductivity, perfectly suited for conductive parts, RF components and high-efficiency heat dissipation structures.
2.Superior Ductility: Features great flexibility and formability, allowing CNC fabrication of intricate shapes and thin-wall parts without cracking or deformation.
3.Reliable Corrosion Resistance: Offers strong resistance against oxidation and common corrosion, extending service life in diverse industrial working environments.
4.High Precision Performance: Can be machined to strict dimensional tolerances and smooth surface finishes to meet requirements of high-precision electronic and mechanical assemblies.
5.Flexible Production Adaptability: Supports both rapid prototyping and large-batch manufacturing with stable cutting performance and uniform product quality.
Applications of Copper CNC Machined Parts
1.Electronic Components: Ideal for terminals, busbars and internal conductive structures thanks to superior electrical conductivity.
2.Thermal Management Parts: Widely used for heat sinks and cooling components to efficiently transfer and dissipate heat.
3.RF & Communication Devices: Suited for radio frequency parts and signal transmission components in communication equipment.
4.Industrial Hardware: Applied in general mechanical fittings, connectors and structural parts for various industrial machinery.
5.Vacuum & Specialized Equipment: Performs stably in vacuum environments, fitting components for vacuum and precision instruments.
6.Automotive Parts: Used for conductive and heat-related components within automotive electronic and electrical systems.
Frequently Asked Questions
A: We process multiple industry-standard copper grades to fit different application demands, including pure C11000 copper with outstanding conductivity, C10200 oxygen-free copper for high-end electronic transmission parts, as well as C36000 free-cutting brass for mass-produced fittings. We can select the most cost-effective copper alloy based on your requirements for electrical performance, machinability and budget.
A: We offer flexible order volumes to cover prototype development and mass production demands. Small prototype orders with only 1–5 pieces are acceptable for engineering verification, and we support medium & large batch production from hundreds to tens of thousands of units. No mandatory high MOQ is required, and we maintain stable unit pricing as order quantity increases.
A: Copper is soft and highly ductile, which easily causes tool sticking, edge burrs and dimensional deviation during cutting. Our engineers adopt optimized low-speed cutting parameters and dedicated cutting tools for copper. Every finished part goes through dimensional inspection with calipers and CMM equipment to guarantee consistent accuracy before delivery.
A: Lead time depends on order type and complexity. Simple prototype copper parts can be finished within 3–5 working days. For formal batch orders with precise tolerances or custom fabrication steps, the standard production cycle ranges from 7 to 12 working days. We also provide expedited production services for urgent customer projects upon request.
A: Yes, we have mature manufacturing solutions for thin copper sheets and mini conductive terminals. We use specialized fixture tooling to fix workpieces firmly during processing to prevent bending and warping. Strict post-process flatness inspection is carried out, ensuring thin copper parts keep stable flatness and complete electrical contact performance for electronics and new energy equipment.