· Product Overview

· Core Specifications

Material Performance

• High-Purity Oxygen-Free Copper (C11000)
  • Thermal Conductivity: ≥401 W/m·K (industry-leading for heat dissipation)
  • Electrical Conductivity: ≥58 MS/m (ideal for high-current applications)
  • Hardness: 60–80 HV (ductile yet rigid for precision positioning)
  • Corrosion Resistance: Excellent in dry/mild-moisture environments; resistant to oxidation at high temperatures

Manufacturing Standards

• Certification: ISO 9001-Certified
• Key Processes: CNC Turning (concentric step profile) → Precision Drilling (central through-hole) → Deburring → Surface Polishing → Dimensional Inspection
• Standard Parameters:
  • Overall Diameter: 50–100mm (customizable 30–150mm)
  • Concentric Step Heights: 1–3mm (optimized for heat transfer/positioning)
  • Central Hole Diameter: 3–8mm (customizable to mounting needs)
  • Dimensional Tolerance: ±0.01mm (ensures precise concentricity and fit)
  • Surface Finish: Polished natural copper (smooth, low-friction, and corrosion-resistant)

· Application Scenarios

• Welding & Plasma Cutting: Electrode holders, plasma torch nozzle bases, and heat sinks for welding equipment.
• RF & Microwave Devices: Heat spreaders for high-power amplifiers, antenna components, and radar system parts.
• Electronics Cooling: CPU/GPU thermal pads, LED heat sinks, and power module heat spreaders.
• Industrial Molds: Precision positioning discs for injection molds, stamping dies, and alignment jigs.
• Laboratory & Medical Equipment: Sample heating plates, diagnostic instrument thermal components, and surgical tool bases.

· Production Process Introduction

1. Raw Material Preparation: Cut high-purity oxygen-free copper bars into cylindrical blanks matching the disc’s overall diameter.
2. CNC Turning: Use high-precision CNC lathes to machine the concentric step profile in a single setup for perfect concentricity and surface flatness.
3. Precision Drilling: Create the central through-hole to enable mounting or fluid/electrical passage.
4. Deburring & Finishing: Remove sharp edges from steps and hole surfaces to prevent component wear and ensure safe handling.
5. Surface Polishing: Buff the disc to a natural copper luster, enhancing thermal conductivity and corrosion resistance.
6. Quality Inspection: Perform CMM dimensional scanning, concentricity testing, and surface finish analysis to verify compliance with design specifications.

· Packaging and Shipping Methods

• Packaging:
  • Individual Units: Sealed in anti-static, anti-oxidation plastic bags to protect the polished copper finish and prevent corrosion.
  • Bulk Orders: Packed in foam-lined partitioned boxes (prevents disc deformation, scratch damage, and oxidation during transit).
• Shipping Options:
  • Express Delivery (DHL/FedEx): 3–5 business days for prototype or small-quantity orders.
  • Air Freight: 7–10 business days for medium-batch production runs.
  • Sea Freight: 20–25 business days for large-volume bulk orders.All shipments include full tracking and damage insurance.

· Process

· Frequently Asked Questions (FAQ)

• MOQ (Minimum Order Quantity): 500 pieces for standard configurations; 200 pieces for custom designs (with valid technical drawings).
• Lead Time: Standard lead time is 7–10 working days (includes CNC machining and polishing); expedited production (5–7 working days) is available for urgent orders (additional fees apply).
• Customization Capability: Full customization is supported—adjust diameter, step heights, hole size, or switch to brass for enhanced wear resistance. Our engineering team validates designs for thermal performance and dimensional accuracy.