Injection Molding
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PPO '2079851475616104452 Cycle Fluctuation Defects
Fenómeno del problema
[Problem Phenomenon] When PPO production rhythm is unstable, product quality fluctuates accordingly
Análisis de la causa
Cycle fluctuation changes melt residence time and mold thermal balance; when residence approaches the 2-hour discoloration line, the risk amplifies; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solución
Stabilize production rhythm to reduce manual pauses; handle interruptions according to graded procedures; empty and restart after long pauses; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusión clave
PPO fears rhythm fluctuation, and residence time management follows the rhythm; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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