Molds & Tooling
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HDPE mold temperature 20-60
Fenómeno del problema
The mold temperature of HDPE products was set to 80℃, and the molding cycle was greatly prolonged
Análisis de la causa
HDPE crystallizes quickly; too high a mold temperature delays cooling with no quality gain, and the cycle is prolonged in vain; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solución
Control the HDPE mold temperature at 20-60℃; take the upper limit for thick-walled parts; 30-40℃ is enough for ordinary parts; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
HDPE is a low mold temperature material, and cooling efficiency takes priority; 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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