Extrusion & Post
5 görüntüleme
Excessively long EVA photovoltaic lamination time
Sorun Belirtisi
Excessively long lamination time causes excessive decomposition of peroxide to produce gas.
Neden Analizi
The total lamination time exceeds the manufacturer's parameter window, and side reactions of the crosslinking agent produce gas to form bubbles; blindly extending the time under capacity pressure will be counterproductive.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Çözüm
①Determine the total lamination time according to the parameters provided by the manufacturer; ②avoid excessively long time; ③optimize the allocation of heating and holding stages; ④verify bubbles and crosslinking degree.; after adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
Longer lamination time is not better; following the material supplier's process window is a basic principle.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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