Molding Process
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PBT Ultrasonic Welding
Fenómeno do problema
PBT parts have insufficient ultrasonic welding strength, with weld overflow or poor fusion
Análise das causas
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
Solução
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
Conclusão principal
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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