Process agent·Line B·Press P3·Hold pressure 720 to 760 bar·12:50StayNeeds a decisionexpires in 2 h
Raise hold pressure from 720 to 760 bar
Short shots rose on cavity 2 over the last three shift runs while melt temperature held steady. Higher hold pressure closed the gap in 6 of the 8 best runs.
Expected result
EstimatedScrap rate2.8 %90% interval 2.4 to 3.3
Spec 0 to 4 % (dashed). Driven by Cavity 2 pressure trend, Part weight on cavity 2, Tool temperature.
Why this confidence
- Method
- Optimiser opt 2.4.1; band from the model of the machine; weakest input estimated
- Model fit
- Accepted, four checks passed
- Safety filter
- Passed: Inside narrowed band 640 to 820 bar; Clamp force margin over 12%
- Evidence
- EV-B-2201, EV-B-2207, EV-B-2214
Limits
Hold pressure720 barto 760 bar
600640 to 820 narrowed860
Signed by Plant head A. · 20 SeptStamped narrowingNowProposed
If stoppedStop keeps 760 bar and writes nothing new. The next value waits for a person.
NoticedProposedWaitingstayMeasuringVerdictHolding