Molds & Tooling
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Improper PESU Mold Temperature
Problem Phenomenon
PESU products have high internal stress or poor surface quality; mold temperature deviates from the 149~163℃ range.
Cause Analysis
PESU mold temperature of 149~163℃ obtains low internal stress and high-performance products; low temperature means high stress and poor surface; high temperature means long cycle and mold sticking; uniformity affects consistency.
Solution
①Control mold temperature at 149~163℃; ②temperature uniformity management; ③balance stress and cycle; ④actually measure mold cavity temperature.; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
The 149~163℃ of PESU mold temperature is the supplier standard; uniformity ensures consistency; balance optimization is based on verification.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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