Material Drying
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PETG ultrasonic welding insufficient strength
Fenómeno del problema
After ultrasonic welding of PETG products, the welding strength is low and they easily separate at the weld.
Análisis de la causa
Ultrasonic welding parameters improper (amplitude, pressure, time not suitable), welding surface design poor, product moisture absorption affects welding.
Solución
Optimize welding parameters (amplitude 60-80%, pressure 0.2-0.4MPa); optimize energy director design; dry the products before welding.
Conclusión clave
PETG ultrasonic welding requires optimized welding parameters and joint design.
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