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

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

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


Tooling solutions for aerospace Wing 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 fibres
  • Good surface finish and dimensions
  • CNC machining centre
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 fibre

Facts and demands
  • Primary structure carbon fibre
  • Minimal splintering of fibres 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 fibre



CoroMill® 390 - Sturtz milling: profiling of carbon fibre

Facts and demands
  • Tilting of tool 2-10 degrees- High rpm and feed rate
  • Primary structure carbon fibre
  • Hand held 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) modied radii)
  • Cutting data
  • Vf: 1800 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 fibre

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)2011
(6597.69)
2011
(6597.69)
RPM2000020000
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)
Passe/Sq Metre28491
Time for 1 Sq Metre23.77.6
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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