Molds & Tooling
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PTFE Demolding Damage
Problembeschreibung
PTFE preforms are damaged during demolding, cracks appear after sintering, improper demolding operation.
Ursachenanalyse
Preforms have low strength and are easily damaged during demolding; too fast pressure release after pressing completion causes product bursting; improper demolding tools; rough operation.; When troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
Lösung
①Release pressure slowly after pressing completion to prevent bursting; ②Demold carefully to avoid collision; ③Appropriate demolding tools; ④Handle preforms gently.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
Wichtigste Erkenntnis
PTFE preforms are fragile intermediates; pressure release speed and demolding protection are equally important; operation specifications protect semi-finished products.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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