Processing Machinery
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PS Product Ultrasonic Welding
Problem Phenomenon
Insufficient strength at the weld or flash.
Cause Analysis
PS has good rigidity and is suitable for ultrasonic welding, but parameters and weld line design must match; improper parameters cause weak welds or flash.; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based solely on experience
Solution
①Optimize the energy director design; ②Adjust welding parameters; ③Control welding pressure; ④Perform strength verification.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Ultrasonic welding of PS requires specially developed parameters; weld line design is the foundation of quality.; After confirming effectiveness, solidify the parameters and practices into the work instructions to prevent recurrence; Include this case in the defect archive as a reference for troubleshooting similar problems in the future
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