Connected
Investigation · closed

Light parts on cavity 2

Opened by Quality head A. · 1 lots · 2 runs
Evidence

Case file

  • 6 Oct 14:00conclusion · Correction accepted by Process, verdict improved
    EV-B-1902
    Measured

Lots in this case

Lots
LotRiskPredictedSpecJoinLinks
7711On track48 to 48.5 g47.6 to 48.8estimated0.92, 0.93

Linked runs

Shift run 678Scrap rate 3.4 % · Parts 841 parts · Part weight 47.92 gShift run 679Scrap rate 3.76 % · Parts 841 parts · Part weight 47.97 g

Conclusion

Hold pressure raised by Process; holding

Quality head can send corrections

Proof record

Hold pressure 720 bar, Line B
ImprovedR3 VerifiedMeasured
Effect Scrap rate -0.6 pp, interval -0.9 to -0.3 pp.
Why this confidence
Method
Before and after on matched lots
Diagnostics
Balance check passed; Carry-over check passed; Pre-period parallel
Open the four questions

Corrections from this case

raise hold pressureaccepted