Application example – Sandvik Coromant Machining carbon fibre materials User Manual
Page 40

Application example
Holemaking in CFRP/AL stack
Facts and demands:
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Carbon fibre and aluminium stack
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Minimal splintering of fibres
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Reduced burr on exit
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Good surface finish and dimensions
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Pneumatic power feed machine
Solutions
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CoroDrill 854 drill point, diameter 9.525 mm
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N20C diamond coating
Cutting data
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Powerfeed
CNC machine
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VC: 60 m/min
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120 m/min
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Fn: 0.03 mm/rev
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0,04 mm/rev
Benefits:
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Excellent hole quality: surface and dimension
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Tool life: 200 holes
CoroDrill 854
SANDVIK COROMANT USER’S GUIDE - COMPOSITE SOLUTIONS
40