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Breaking the 60% OEE Ceiling: Is the Bottleneck Availability, Performance, or Quality?
| OEE Component | Typical Target | Common Bottleneck Signs | Procurement & Maintenance Actions |
|---|---|---|---|
| Availability | ≥90% | Frequent unplanned stops, long mean time to repair (MTTR), spare parts shortages | Implement predictive maintenance; negotiate vendor-managed inventory for critical spares; choose suppliers with EU-wide service networks. |
| Performance | ≥95% | Machine runs below rated speed, frequent minor stops, operator adjustments | Audit machine settings vs. OEM specs; upgrade control software; source higher-grade raw materials from certified suppliers. |
| Quality | ≥99% | High scrap rates, rework loops, inconsistent output | Require ISO 9001 from all suppliers; invest in in-line inspection sensors; use statistical process control (SPC) for early detection. |
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