Molding Process
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PBT Ultrasonic Welding
Problembeschreibung
PBT parts have insufficient ultrasonic welding strength, with weld overflow or poor fusion
Ursachenanalyse
PBT can be ultrasonically welded, which is its processing advantage; improper welding parameters cause overflow or insufficient fusion; glass fiber content affects welding strength; energy director design concentrates energy
Lösung
①Optimize amplitude, pressure, and time parameters according to the grade; ②Adjust welding parameters for glass fiber parts; ③Design energy director structures; after adjustment, take samples continuously to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
Ultrasonic welding is PBT's supporting advantageous process; parameters and energy director design determine weld quality; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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