Processing Machinery
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TPE voids and sink marks
Problembeschreibung
Internal voids and surface sink marks in TPE thick-walled parts
Ursachenanalyse
Insufficient feeding compensation for thick walls; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry materials and should be confirmed first during troubleshooting
Lösung
Increase holding pressure; uniformize wall thickness; enlarge the gate; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes, so as to locate effective measures
Wichtigste Erkenntnis
Voids and sink marks rely on holding pressure and wall thickness; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later
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