CNC Milling
High-accuracy 3–5 axis milling for complex geometries.
CNC Milling Services
High-accuracy 3–5 axis milling for complex geometries. CG Model Tek specializes in precision milling operations that transform solid material into intricate aerospace components, tooling, and prototypes. Our advanced CNC milling centers deliver exceptional dimensional accuracy, surface finish, and repeatability across a wide range of materials and geometries.
Milling Capabilities
- • 3-axis vertical and horizontal machining centers
- • 4-axis indexing and continuous milling
- • 5-axis simultaneous contouring
- • High-speed machining for aluminum and soft materials
- • Heavy-duty roughing and precision finishing
- • Micro-milling for fine features and thin walls
Machine Specifications
- • Work envelopes from 20" to 60" depending on machine
- • Spindle speeds up to 15,000 RPM
- • Tool libraries with 40+ automatic tool changers
- • Live tooling for mill-turn operations
- • Probing systems for in-process verification
- • CAM programming in Siemens NX
Common Applications
- • Aerospace structural components
- • Wind tunnel model bodies and fairings
- • Complex pocketed and ribbed parts
- • Precision mounting fixtures and tooling
- • Brackets, housings, and adapters
- • Rapid prototypes from CAD models
Materials We Mill
- • Aluminum alloys (2xxx, 6xxx, 7xxx series)
- • Stainless steels (300, 400, 17-4 PH)
- • Tool steels and alloy steels
- • Titanium (Grade 2, Grade 5)
- • Copper and brass alloys
- • Engineering plastics (PEEK, Ultem, Delrin)
Precision Matters: Our milling operations maintain typical tolerances of ±0.0005" with proper fixturing and setup. Combined with our CAM expertise, we optimize toolpaths for cycle time, tool life, and surface finish — delivering parts right the first time.