Precision CNC Machining

Precision CNC Machining

End-to-end precision machining for aerospace models and production components.

Precision CNC Machining

End-to-end precision machining for aerospace models and production components. At CG Model Tek, we deliver the highest standards of accuracy, repeatability, and surface finish for mission-critical aerospace parts, wind tunnel models, and complex assemblies. From initial CAD review to final inspection, our process ensures every dimension meets specification.

Our Approach

  • • Collaborative DFM (Design for Manufacturability) review
  • • Advanced CAD/CAM programming using Siemens NX
  • • Multi-axis machining strategies to minimize setups
  • • In-process dimensional verification
  • • Full material traceability and certifications
  • • Final inspection with CMM and optical systems

Tolerance Standards

  • • Standard tolerances: ±0.005" (±0.127 mm)
  • • Precision tolerances: ±0.0005" (±0.013 mm)
  • • Ultra-precision: Tighter on request with proper setup
  • • Surface finish: Ra 32 to Ra 8 or better
  • • Geometric tolerancing (GD&T) expertise
  • • AS9100 quality management practices

Capabilities

  • • 3-axis, 4-axis, and 5-axis CNC machining
  • • CNC turning and mill-turn operations
  • • Wire EDM and die-sink EDM
  • • Complex assemblies and fixtures
  • • Prototype through short-run production (1–500 parts)
  • • Finishing, coating coordination, and assembly

Industries Served

  • • Aerospace & Defense
  • • Wind Tunnel Testing (NASA, AEDC, university labs)
  • • Research & Development
  • • Medical Device Prototyping
  • • Automotive Testing & Validation
  • • Industrial Tooling & Fixtures

Why CG Model Tek? With decades of aerospace machining experience, we understand the critical nature of your components. Every part receives the attention, precision, and documentation it deserves — from first article to final delivery.