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Uneven EVA photovoltaic lamination temperature
Fenómeno del problema
Different areas of the same module have different curing degrees.
Análisis de la causa
Uneven heating plate temperature causes local premature curing or insufficient curing; temperature differences between the four corners and the center of the module are common.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Solución
①Pad high-temperature cloth to make the module heated evenly (large temperature difference less than 4°C); ②overhaul the heating plate temperature distribution; ③optimize the lamination curve; ④regularly test the heating plate.
Conclusión clave
Lamination temperature uniformity directly affects module consistency; high-temperature cloth is a simple and effective temperature equalization means.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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