Processing Machinery
3 Aufrufe
HDPE first piece confirmation
Problembeschreibung
Production starts immediately at startup, and the first shot products are out of dimensional tolerance
Ursachenanalyse
The startup temperature is not balanced and the process conditions are not in place; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Lösung
Stabilize the startup temperature for 10 minutes; mass production after full-dimension inspection of the first piece; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes, to facilitate locating effective measures
Wichtigste Erkenntnis
Full inspection of the first piece at startup is the threshold for mass production; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar future problems
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