Molds & Tooling
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PARA Cooling Time
Fenómeno del problema
PARA cooling time is insufficient or too long; contradiction between deformation and efficiency; application of the wall-thickness-related formula.
Análisis de la causa
PARA cooling time is estimated at 2.5×wall thickness² seconds; insufficient cooling causes deformation; too long reduces efficiency; high mold temperature extends the time to reach stiffness; wall thickness is the main variable.
Solución
①Estimate cooling time at 2.5×wall thickness² seconds; ②Extend and verify for thick-wall parts; ③Optimize cooling channels; ④Balance deformation and efficiency.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusión clave
The wall-thickness-squared relationship of PARA cooling time is a design formula; channel optimization is the efficiency way out; balance needs verification.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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