CNC shop raised OEE from 18% to 61%
How unplanned downtime, setup time, and quality losses were reversed
Customer & challenge
A CNC job shop running 12 machines for batch production had an OEE of 18%. Unplanned downtime, long setups, and quality losses were eroding throughput — roughly 40 hours of unplanned stops each month.
Solution
SectorCalc OEE Downtime Calculator mapped stop categories. SMED Changeover Optimizer cut setup from 45 minutes to 12. Scrap rate dropped from 8% to 3% after rework buffers were priced into jobs.
Results
| Metric | Before | After |
|---|---|---|
| OEE | 18% | 61% |
| Setup time | 45 min | 12 min |
| Scrap rate | 8% | 3% |
| Annual savings | $0 | $85,000 |
Tools used
Statement
“With SectorCalc we tripled shop-floor visibility. We now see which machine stopped and why within minutes.”
Composite illustrative scenario based on typical sector patterns — not a verified audit of the named business. Not financial, legal, or engineering advice.