Processing Machinery
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HDPE melt actual measurement
Fenómeno del problema
With the same set temperature, the quality differs between batches
Análisis de la causa
The actual melt temperature deviates from the setting, and HDPE is sensitive to temperature; 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
Solución
Regularly measure the air-shot melt temperature; correct the setting based on the actual measurement; record the correlation; 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
Quality consistency is based on the actual measured melt temperature; 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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