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Solutions for cost-effective and high-quality machining of aerospace wings

Solutions for cost-effective and high-quality machining of aerospace wings

The main challenges for machining these types of structural components are hole making, edging and surface machining.


Tooling solutions for aerospace wings in composite

Composite solutions – Product offer for composite machining

Machining solutions dedicated to specific composite materials as well as operations and demands are becoming an increasingly important competitive factor.

More information

Composite solutions – Product offer for composite machining



CoroDrill® 854/856 – Solid carbide drills for high-quality hole making in composite

Hole making in CFRP – Facts and demands
  • Resin-rich material
  • Electrical or pneumatic versions
  • Minimal delamination of fibers
  • Good surface finish and dimensions
  • CNC machining center
Solutions
  • CoroDrill® 854 drill point, diameter 6.35 mm (0.250 inch)
  • N20C diamond coating
Cutting data
  • VC: 130 m/min (495 ft/min)
  • fn: 0.05 mm/rev (0.002 inch/rev)
Benefits
  • Excellent hole quality, minimal delamination
  • 800 hole tool life
  • Good hole production economy

Learn more about CoroDrill® 854/856

CoroDrill® 854/856 – Solid carbide drills for high-quality hole making in composite



CoroMill® Century – Surface machining of carbon fiber

Facts and demands
  • Primary structure carbon fiber
  • Minimal splintering of fibers and delamination
  • Good surface finish and dimensions
Solutions
  • CoroMill® Century with PCD inserts
  • Cutter: R590-04C3-11M
  • Inserts: R590-1105H-PS2-NL CD10
Cutting data
  • Cutting speed: 300 m/min (984.24 ft/min)
  • Fz: Roughing: 0.16 mm/tooth (0.006 in/tooth) / Finishing: 0.1 mm/tooth (0.004 in/tooth)
  • AP: Roughing: 2.5 mm (0.098 in/tooth) / Finishing: 0.5 mm (0.020 in/tooth)

CoroMill® Century Light-cutting face mill for high-speed finishing

CoroMill® Century – Surface machining of carbon fiber



CoroMill® 390 – Sturtz milling: profiling of carbon fiber

Facts and demands
  • Tilting of tool 2–10 degrees – High rpm and feed rate
  • Primary structure carbon fiber
  • Handheld pneumatic machine design
  • 2D and 3D feature solutions
  • Good surface finish and dimensions
Solutions
  • CoroMill® 390
  • Cutter: R390-032A32-11H
  • CD10 PCD inserts (3 mm (0.118 inch) modified radii)
  • Cutting data
  • Vf: 1,800 mm/min (70.866 inch/min)
  • 2 mm (0.079 inch) depth of cut
  • 5 degree Sturtz angle
  • fz: 0.2 mm/tooth (0.008 inch/tooth)

Suitable process for large areas of shallow curvature, i.e. many aircraft wing and fuselage components.

CoroMill® 390 – Versatile shoulder milling cutters with ramping capability for mixed production

CoroMill® 390 – Sturtz milling: profiling of carbon fiber

Ball-end scanning Vs Sturtz

32 mm (1.260 inch) diameter tools used with the same cutting data.

32 mm Ball 32 mm Sturtz
Surface speed, m/min (ft/min)2,011
(6597.69)
2,011
(6597.69)
RPM20,00020,000
Feed/tooth, mm/min
(in/tooth)
0.12
(0.005)
0.12
(0.005)
Table feed, mm/min
(in/min)
12000
(472.441)
12000
(472.441)
No of flutes 55
Step over, mm
(in)
3.52
(0.139)
11
(0.433)
Pass/sq meter28491
Time for 1 sq meter23.77.6
Over 3 times faster generating the surface

Typical to use smaller ball-end tools, resulting in even greater productivity when switching to Sturtz techniques.

 
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