Hole Finishing Application Example
Port Contour Cutters
Port Contour Cutters
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Dura-bar 65-45-12.
Component: General cavity.
Ream SAE#8.
Surface finish below Ra 32 (inch).
CHALLENGE
SOLUTION
• Cermet-tipped port cutting tool.
• 2100 RPM–20 IPM.
• Flood coolant.
• Machining centre.
CUTTING
DATA
RESULT
• Surface finish of 7–15 RA (inch).
BENEFIT
widia.com
W75
• Increase productivity by one-shot
finishing of port.