Thin wall machining.
Aerospace skins.
Lightweight CNC.
Thin-wall machining — CNC of parts with walls < 2 mm. Aerospace skins, ribs, lattice structures. Vibration management, fixturing, slow cuts.
Key principles.
Critical
Thin walls vibrate during cutting. Vibration causes chatter, poor finish, dimensional issues.
Internal
Internal supports during machining. Removed after.
Slow, light
Slow speeds, light depths of cut, fine pitches. Multiple passes.
Sharp, small
Small-diameter, sharp tools. Reduce cutting forces.
During & after
Stress in material released during machining. Plan for distortion.
Skins, ribs
F-22 skins, satellite structures, drone components.
FAQ
Minimum wall thickness?
Aluminum 0.5-0.8 mm achievable. Steel 0.8-1 mm. Practical limit varies.
Why does thin-wall cost more?
Specialty fixturing, slower speeds, multi-pass cutting, vibration management. 2-3× standard CNC time.
Failure modes?
Chatter (poor finish), distortion (wall warping), breakage (handling damage).
Stress relief options?
Pre-machining stress relief. Multi-stage machining (rough, stress relief, finish).
Aerospace tolerance?
±0.025 mm achievable on thin-wall parts with proper process control.
Common materials?
Aluminum 6061/7075. Titanium grade 2/5. Stainless 17-4 PH. Each per application.
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