Rework

During CNC planning and execution, Rework denotes: Corrective machining performed on nonconforming parts. Good control here reduces both scrap and unnecessary overprocessing. Stable execution here helps protect both quality and throughput. Its best results come from disciplined execution across shifts, machines, and operators.

Where It Shows Up

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

Practical Controls

• Align datum interpretation across programming, setup, and inspection.
• Select gauges and measurement strategy based on feature function.
• Separate geometric error from surface-generation error in analysis.

Common Failure Patterns

Surface issues are often system problems, not just feed or speed mistakes. Ignoring gauge variation can hide real process drift.

Audit Points

• Run periodic gauge capability checks on critical characteristics.
• Trend capability metrics together with roughness outcomes.
• Inspect edge condition and burr state on tight features.