As a leading CNC precision copper parts manufacturer, EMAR Technology specializes in delivering high-quality custom machining solutions for industries requiring exceptional electrical conductivity and thermal performance.

Why Choose CNC Machining for Copper Components?
Copper's unique properties demand specialized CNC machining expertise. Our 5-axis CNC centers maintain ±.005mm tolerances while preventing material deformation, achieving surface finishes down to Ra .4μm for critical applications in electronics, automotive, and aerospace sectors.
Our Custom Machining Capabilities
EMAR's advanced machining center handles complex geometries for:
- High-precision copper connectors and terminals
- Custom heat sinks with optimized fin structures
- RF waveguide components with micron-level accuracy
- EDM electrodes for mold manufacturing
Quality Assurance Process
Every custom copper part undergoes rigorous inspection including CMM measurement, conductivity testing, and surface analysis. Our ISO 9001-certified process ensures consistent quality from prototype to mass production.
Technical Advantages
• Material Expertise: C11000, C10100, C17200, and other copper alloys
• Advanced Tooling: Diamond-coated cutters for extended tool life
• Secondary Processing: Plating, polishing, and anti-oxidation treatments
• Fast Turnaround: 3-5 day standard lead time for prototypes
Contact EMAR at www.sjt-ic.com to discuss your copper machining project requirements with our engineering team.


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