PRECISION CNC MACHINING
Custom CNC Machining Support
BestField supports selected CNC milling, CNC turning, mill-turn, 3-axis, 4-axis, 3+2 and simultaneous 5-axis projects. Feasibility is reviewed against the drawing, material, geometry, critical features, setup, workholding, inspection method, quantity and schedule.
Common CNC Machining Challenges We Help Solve
Complex Geometries
5-axis machining for intricate features and undercuts
Tolerance Review
Tolerance capability is reviewed for the specific feature, material, geometry, setup and inspection method
Large Workpiece
Applicable large-workpiece projects up to approximately 800 x 1980 mm may be reviewed, subject to feasibility
Thin Walls
Thin-wall feasibility and distortion risk are reviewed against material, geometry, setup and workholding.
Surface Finish
Consistent surface quality meeting Ra specifications
Material Variety
Experience with metals, plastics, and exotic alloys
CNC Machining Processes
CNC Milling
3-axis, 4-axis, and 5-axis milling for complex prismatic parts. Ideal for enclosures, brackets, and structural components.
- Multi-face machining in single setup
- Complex contours and pockets
- High-speed machining available
CNC Turning
Precision turning for cylindrical and rotational parts. Suitable for shafts, pins, bushings, and threaded components.
- Live tooling for milling operations
- Threading and knurling
- Production quantity and process route are reviewed for the specific part family.
5-Axis CNC Machining
Simultaneous 5-axis machining for complex surfaces and multi-feature components requiring reduced setups.
- Single setup for complex parts
- Reduced cycle times
- Superior surface finish
Mill-Turn Machining
Combined milling and turning operations for parts requiring both rotational and prismatic features in a single setup.
- Combined milling and turning may reduce setups for suitable part geometries, subject to process-route review.
- Improved accuracy
- Reduced handling
Materials for CNC Machining
Metals
Most common, good machinability, lightweight
High strength, suitable for structural applications
Corrosion resistant, general purpose
Superior corrosion resistance
High strength-to-weight ratio
Excellent machinability, decorative
High thermal/electrical conductivity
High strength, cost-effective
Plastics
High temperature, chemical resistant
Low friction, dimensional stability
Tough, wear resistant
Impact resistant, easy to machine
Transparent, impact resistant
Optical clarity, decorative
Low friction, chemical inert
Chemical resistant, electrical insulation
CNC Tolerance and Inspection
Tolerance Capability
Tolerance capability is reviewed for the specific feature, material, geometry, setup, workholding and inspection method. A tolerance achieved on one feature or project is not a universal capability for every part.
General tolerances and applicable standards must be specified in the drawing or agreed during project review.
Inspection Methods
- CMM (Coordinate Measuring Machine)
- Optical comparators
- Surface roughness testers
- Hardness testing
- Visual inspection
Typical CNC Machined Parts
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