Molds & Tooling
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PP Mold Temperature 20-80
Problem Phenomenon
PP mold temperature 20-80°C; balance between high-mold-temperature surface and low-mold-temperature cycle.
Cause Analysis
PP mold temperature 20-80°C; high mold temperature improves surface gloss and weld lines; low mold temperature shortens the cycle; but high mold temperature extends cooling; deformation risk; independent temperature control of front and rear molds.
Solution
①Control mold temperature at 20-80°C; ②Take the upper limit for high-gloss parts; ③Cycle optimization; ④Independent temperature control of front and rear molds; ⑤Deformation monitoring.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
The wide range selection of PP mold temperature is process flexibility; balance surface and cycle; independent temperature control compensates deformation.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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