Processing Machinery
2 Aufrufe
PSU Regrind Management
Problembeschreibung
Performance declines significantly after blending PSU regrind; repeated reuse accumulates degradation; appearance and strength deteriorate simultaneously.
Ursachenanalyse
PSU is sensitive to heat history in high-temperature processing; regrind molecular weight has already decreased; impurity contamination risk; no control over reuse times.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based solely on experience
Lösung
①Control regrind ratio and reuse times; ②Separate identification and management of regrind; ③Use after performance verification; ④Prohibit regrind in critical parts.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
PSU regrind has limited value and high risk; control of reuse times is the bottom line; do not use regrind in critical applications.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence
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