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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

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

CoroDrill® 863 with -O geometry – solid carbide drills for high-quality hole making and longer tool life in composites

Hole making in CFRP (carbon fiber reinforced polymer composite) – facts and demands

  • Minimal delamination of fibers
  • Good surface finish and dimensions
  • Unidirectional or woven layers
  • High rate of material removal

Solutions

  • CoroDrill® 863 with -O geometry, standard diameter range 3–9.5 mm (0.118–0.374 inch)
  • Drill depth 3–10 × drill diameter

Benefits

  • Enhanced tool life – more feet of composite material drilled
  • Minimal delamination
  • Excellent hole finish and tolerance

Cutting data

Learn more about CoroDrill® 863

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

Learn more about CoroMill® Century light cutting face mill for high-speed finishing

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
  • 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) modified radii)

Cutting data

Learn more about CoroMill® 390 – versatile shoulder milling cutters with ramping capability for mixed production

Ball-end scanning vs Sturtz

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


32 mm ball32 mm Sturtz
Surface speed, m/min (ft/min)2,011
(6598)
2,011
(6598)
RPM20,00020,000
Feed/tooth, mm/min
(in/tooth)
0.12
(0.005)
0.12
(0.005)
Table feed, mm/min
(in/min)
12,000
(472.441)
12,000
(472.441)
No. of flutes55
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 generation of surface

Smaller ball-end tools are typically used, resulting in even greater productivity when switching to Sturtz techniques.

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