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Secondary operations are all value-adding steps after the last CNC cut:
Deburring & edge radiusing
Heat-treat (vacuum, induction, T6)
Surface finishing (anodize, passivate, DLC)
Laser marking & serialization
Light assembly (helicoils, O-rings)
⚠️ Without structured management, shops end up chasing parts across the floor and losing traceability.
Benchmark Study (Q1–2025, 34 suppliers):
Pain Point | % of Suppliers | Typical Cost Impact |
---|---|---|
Lost traceability | 79% | Rework ≈ $4,800 per job |
Heat-treat distortion | 61% | Scrap ≈ $3,200 per job |
Wrong packaging spec | 44% | Customer return ≈ 8% of lots |