Cutting Ratio

In practical manufacturing terms, Cutting Ratio describes: Ratio of chip thickness to uncut chip thickness. Parameter quality shows up immediately in load, chip behavior, and cycle stability. Managed well, it improves process repeatability and lowers correction workload. Treat this as a controlled process variable within the full programming-setup-inspection loop.

Why It Matters

Do not tune this in isolation. Stable outcomes come from balancing machine behavior, fixturing response, and metrology feedback at the same time.

Implementation Points

• Increase aggressiveness only after chip evacuation and vibration are stable.
• Tune feed, speed, and engagement together, not one parameter at a time.
• Use spindle load trend limits as an early warning signal.

Failure Modes

A parameter that works in one setup can fail in another with lower rigidity. Reactive tuning without trend data usually increases variability.

Before-Run Checks

• Track spindle load, cycle time, and finish quality together.
• Inspect chip form and color during first-off validation.
• Check tool wear progression at planned intervals.