Processing Machinery
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Poor TPU Welding
Fenómeno del problema
Insufficient heat-sealing welding strength of TPU film
Análisis de la causa
Heat-sealing temperature, pressure, and time do not match; when troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience; this mechanism has been repeatedly verified by industry materials and should be confirmed first during troubleshooting
Solución
Calibrate heat-sealing parameters; sample-test weld strength; uniform film thickness; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Conclusión clave
TPU welding relies on parameter calibration; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems later
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