Material Drying
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TPE Startup Procedure
Fenómeno del problema
Bubbles appear in the first batch of products at startup after several days of shutdown
Análisis de la causa
The material absorbs moisture during the shutdown; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry information and should be confirmed first during troubleshooting
Solución
Re-dry the material before startup; empty the barrel; first-piece inspection; 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
Conclusión clave
Restarting after shutdown first restores the material condition; 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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