Copper CNC Machining Service
Machmaster provides custom copper CNC machining services for OEM customers requiring electrically conductive, thermally conductive, and precision‑machined components.
With 20 years of CNC manufacturing experience, 33 CNC machining centers, 7 CNC turning machines, and an ISO 9001 certified quality management system, we support copper parts from prototype development to repeat production.
Copper machining capabilities
- CNC milled copper parts
- CNC turned copper components
- Custom copper components
- Copper prototypes & production
Common grades
- C110 (high conductivity)
- C101 (high‑purity)
- Customer‑specified grades
20+
Years CNC Manufacturing Experience
33
CNC Machining Centers
7
CNC Turning Machines
ISO 9001
Certified Quality System
Copper CNC Machining Capability
Precision CNC milling for copper components requiring accurate dimensions and machined features.
- Electrical components
- Mounting components
- Heat‑conductive parts
- Custom mechanical components
Typical operations:
- Face milling, pocketing
- Drilling, tapping, contouring
CNC turning for cylindrical and rotational copper components.
- Bushings
- Pins
- Connectors
- Terminals
- Rings
- Custom fittings
Supports both prototype and production CNC turning requirements.
Complex Copper CNC Parts
For components requiring multiple machining operations or complex geometries.
Machmaster can combine CNC milling and turning processes according to the part design.
- Prototype parts
- Low volume production
- Production batches
- Repeat OEM orders
Common copper CNC machined parts include electrical components, connectors, busbar components, heat transfer components, bushings, terminals, and mechanical components.
Copper Materials & Surface Finishing
Common copper materials for CNC machining — plus customer‑specified grades upon request.
C110 Copper
High electrical and thermal conductivity.
- High conductivity
- Good formability
Electrical components, conductive parts, heat transfer components.
C101 Copper
High‑purity copper for demanding conductivity applications.
- High purity
- Excellent conductivity
Electrical components, conductive components, precision copper parts.
Other Copper Grades
Machmaster can review customer‑specified copper grades based on electrical, thermal, mechanical, and machining requirements.
Finishing options according to appearance and functional requirements.
As Machined
The part is left as-is from CNC machining, offering a cost-effective solution with visible tool marks and a standard roughness of 3.2 μm (126 μin), plus deburring for safe handling.
Bead Blasting
Bead blasting produces a uniform matte finish by removing surface imperfections. Commonly used to improve appearance before anodizing, plating, or coating.
This dry finishing process applies powder to metal parts, then cures it into a tough, uniform coating. It offers excellent durability and is available in many colors and textures.
Polishing removes surface flaws and creates a reflective, smooth finish. It’s used to improve aesthetics, reduce friction, and prepare parts for secondary coatings.
Brushing applies a fine, directional texture using abrasive belts or pads. Often used for decorative metal finishes or to visually mask minor surface defects.
Copper Alloy Properties Overview
| Property | Copper C101 | Copper C110 |
|---|---|---|
| Ultimate Tensile Strength | 41 ksi (283 MPa) | 32–41 ksi (220–280 MPa) |
| Yield Strength | 8.7–34.8 ksi (60–240 MPa) | 8.7–34.8 ksi (60–240 MPa) |
| Hardness (Rockwell) | 40 | 95 |
| Electrical Conductivity | 96.5% IACS | 101.5% IACS |
| Thermal Conductivity | 390–398 W/(m·°C) | 380–388 W/(m·°C) |
Copper CNC Machining Production Capability
From prototype to repeat production — support throughout product development.
Copper CNC Prototypes
Design verification, functional testing, engineering samples.
Low Volume Copper Production
Product development, initial production, market testing.
Production Copper Components
OEM production, repeat orders, long‑term supply programs.
With 33 CNC machining centers and 7 CNC turning machines, Machmaster supports Copper parts across different production volumes.
Copper CNC Machining Tolerances
Standard machining toleranc：±0.05 mm
Precision features：±0.01 mm (depending on part design)
Actual achievable tolerance depends on part geometry, feature size, material, machining process, and inspection requirements. For critical dimensions, Machmaster reviews the drawing before production.
Quality & Precision
Ensuring Excellence in Every Copper Component
Quality is paramount in copper CNC machining because even minor imperfections can affect electrical performance and reliability. Our quality assurance process includes:
- Material verification and traceability
- Precision machining with tight tolerances
- Surface finish optimization for electrical contact
- Dimensional verification using CMM
- Conductivity testing when required
- Visual inspection for burrs and defects
Why Our Copper Machining Stands Out
Machining copper presents unique challenges that require specialized knowledge and equipment. Our advantages include:
- Specialized Tooling: We use cutting tools specifically designed for copper machining to minimize work hardening and achieve superior surface finishes.
- Process Optimization: Our experience allows us to optimize feed rates, spindle speeds, and coolant application for each copper alloy we machine.
- Secondary Operations: Complete in-house capabilities including deburring, cleaning, plating, and passivation services for copper CNC machining parts.
- Prototype to Production: Seamless transition from initial prototypes to full-scale production of CNC machined copper parts.
CNC Machined Copper Parts Gallery
As a china source for copper CNC machining, we maintain consistent quality standards across all production runs, ensuring that every CNC machining copper part meets or exceeds specifications.
FAQs About CNC Copper Machining
What Types Of Copper Can You Machine?
We commonly work with C110, C101, and C145 grades. If you require other copper alloys, we can evaluate them based on your design and application needs.
How Accurate Is Your Copper CNC Machining?
We support low-volume prototyping from just 1 piece, as well as high-volume production runs.
Can You Provide Surface Finishing For Copper Parts?
Yes. We offer nickel plating, tin plating, polishing, passivation, and custom finishes upon request.
What Is Your Minimum Order Quantity For Copper Parts?
With in-house CNC machines, fast DFM feedback, and streamlined quoting, we reduce lead times from days to hours—ideal for rapid prototyping or low-volume production.
How Fast Can I Get My Copper Parts?
Lead time depends on the part complexity and order quantity. Rapid prototyping can be delivered within 5–7 working days.
Do You Offer Quality Inspection Reports For Copper Parts?
Yes. We provide material certificates, dimensional inspection reports, and can support third-party testing upon request. Our processes are ISO 9001 certified to ensure consistent quality.
Need Custom Copper CNC Parts?
Machmaster provides CNC machining services for copper prototypes, precision components, and production parts. Send your CAD files and drawings for a manufacturing review.