Molds & Tooling
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PPO High Mold Temperature Improves Overall Quality
Problembeschreibung
【Problem Phenomenon】PPO products have poor flow, weak weld lines and rough surface coexisting
Ursachenanalyse
The recybase guide points out that non-reinforced NORYL running at 66-93℃ mold temperature can improve flow, weld line strength and surface finish; mold temperature is a common adjustment means for multiple PPO defects
Lösung
When defects occur frequently, prioritize evaluating raising mold temperature; distribute mold temperature evenly to eliminate local differences; coordinate with melt temperature adjustment; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Wichtigste Erkenntnis
PPO raising mold temperature kills three birds with one stone: flow, weld lines and surface improve simultaneously; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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