Extrusion & Post
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TPE Product Bonding and Printing
Fenómeno do problema
Surface printing bonding is not firm.
Análise das causas
TPE surface energy is low; surface contamination affects adhesion.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solução
①Surface treatment to raise surface energy; ②clean the surface; ③select matching ink and glue; ④perform adhesion test.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Conclusão principal
Printing on low surface energy materials requires pretreatment; matching system is the key.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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