Assembly and Process Quality: The Gap Specs Don’t Show
Same Specs, Different Fates
Two machines with identical specs can differ twofold in lifespan — the gap hides in assembly and process. Spec sheets describe what was designed; process decides what was built.
Five Process Keys
- Clean optical assembly: beam paths assembled in clean zones — one dust grain on a lens is a permanent hot spot.
- Harness work: routing, strain relief, power/signal separation — most field failures trace to wiring.
- Fastening and thread-lock: torque and adhesives on vibrating parts (pumps, fans); first inspection after shipping is the exam.
- Calibration flow: per-unit energy calibration with serial-number traceability.
- Burn-in screening: hot continuous runs weed out early failures in-house instead of at client sites.
Audit Watch Points
- Work instructions and station records at assembly benches.
- Trace one unit end-to-end: incoming batch → station → calibration record.
- Burn-in room logs and defect-handling ledgers.
The full route is in the factory audit checklist; LEIJEX hosts live traceability demos.
FAQ
Can maintenance compensate for poor process?
Partly — cleaning, tightening and calibration extend life, but congenital defects (contaminated optics, harness flaws) cannot be cured by care. This is why factory audits matter.
How long must burn-in run?
48-72 hot hours is common; longer screens more but costs more. Look for complete records rather than a magic number.