Processing Machinery
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PSU Ultrasonic Welding
Fenómeno do problema
PSU parts have unstable ultrasonic welding strength; the welding parameter window is narrow; batch consistency is poor.
Análise das causas
The ultrasonic energy transfer characteristics of rigid PSU material; welding amplitude and energy matching; weld line design influence; products with internal stress crack during welding.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based solely on experience
Solução
①Optimize welding parameters through orthogonal tests; ②Reasonable design of weld line energy directors; ③Weld low-stress products; ④Sampling inspection of welding strength.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusão principal
PSU ultrasonic welding requires fine parameter management; weld line design is the structural guarantee; stress state affects welding quality.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence
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