Application example – Sandvik Coromant Machining carbon fibre materials User Manual
Page 39

Application example
Holemaking in CFRP
Facts and demands:
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Resin rich material
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Electrical or pneumatic versions
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Minimal delamination of fibres
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Good surface finish and dimensions
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CNC machining centre
Solutions
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CoroDrill 856 drill point, diameter 6.35mm
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N20C diamond coating
Cutting data
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VC: 130m/min
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fn: 0.05mm/rev
Benefits:
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Excellent hole quality, minimal delamination
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800 hole tool life
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Good hole production economy
CoroDrill 856
SANDVIK COROMANT USER’S GUIDE - COMPOSITE SOLUTIONS
39