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