Molds & Tooling
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ASA Multi-Cavity Imbalance
Fenómeno del problema
【Problem Phenomenon】ASA multi-cavity mold products of each cavity have large weight and dimension differences
Análisis de la causa
Runner imbalance and temperature unevenness cause inconsistent filling and holding in each cavity; medium viscosity materials are sensitive to runner differences; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience
Solución
Runner balance correction; each cavity temperature homogenized; SPC statistics by cavity number to locate differences; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Conclusión clave
ASA multi-cavity differences check runner balance, locate by cavity number SPC; 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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