Molds & Tooling
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PEI Mold Temperature Uniformity
Problembeschreibung
Uneven PEI mold temperature causes warpage and surface differences; temperature difference exceeds the standard; high-temperature mold management is difficult.
Ursachenanalyse
PEI mold temperature is 140~180℃ and requires uniformity, with temperature difference ≤10℃; high-temperature mold thermal balance is a challenge; heating and cooling system matching; representativeness of temperature measurement.
Lösung
①Set mold temperature at 140~180℃; ②control temperature difference ≤10%; ③configure high-temperature oil temperature machines; ④verify by actual measurement of the mold cavity surface.; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Wichtigste Erkenntnis
Uniformity management of PEI high-temperature molds is meticulous work; the 10℃ temperature difference standard is quantified; actual measurement verification is more reliable than settings.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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