Test Fault Recovery & Changeovers—Not Just 5 Minutes of Perfect Running
Testing each machine separately for 10 minutes proves almost nothing about how a linked system behaves on a Tuesday night shift! Grounded in line sizing and turnkey planning and system integration and line balancing, a rigorous linked Factory Acceptance Test (FAT) deliberately injects downstream micro-stops, underweight packs, missing foil caps, and SKU changeovers while measuring sustained OEE.
Include the six linked qualification tests below directly in your procurement URS before paying milestone deposits.
Six-Point Linked Packaging Line FAT Protocol
Mandatory acceptance tests before crating a multi-machine system:
| FAT Test Phase | Test Procedure | Pass / Acceptance Threshold |
|---|---|---|
| 1. Sustained Linked Run | 60–120 min continuous run on production materials | >=95% net good output at rated primary BPM |
| 2. Simulated Downstream Stop | Hold case packer/cartoner paused for 60 seconds | Buffer absorbs surge; drains cleanly with 0 stops |
| 3. Challenge Test Pack Reject | Feed Fe/Non-Fe/SS + +/- weight + bad-code packs | 100% into locked reject bin; 0 into secondary case |
| 4. Worst-Case SKU Changeover | Swap smallest pouch/bottle to largest + new case | Completed within <=20–30 min target; 1st case square |
| 5. Safety & E-Stop Zoning | Open guard doors & pull zone E-stops under load | Safe Category-3/PLd stop; clean PackML restart |
| 6. Utility & Noise Audit | Measure peak kW, CFM/m³/min air, and dB(A) @ 1 m | Matches URS facility header ratings (<78–80 dB) |
See how our engineering team executes full-floor testing on packaging line system integrator.
System Integration Engineering Notes
- Ship Production Corrugated, Film & Product: Never let a line FAT run only on empty cartons or wooden dummy blocks—real product center-of-gravity and corrugated board flute stiffness expose every transfer quirk.
- Video-Recorded Changeover SOPs: Film the lead technician executing the SKU changeover during FAT—that annotated video becomes your instant training manual at SAT.
- Pre-Numbered Split-Line Match Marks: Before unbolting conveyors for container shipping, stamp laser/engraved match marks and plug labels on every frame joint.
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