Extrusion & Post
14 visualizações
PVB Pre-pressing Venting
Fenómeno do problema
PVB pre-pressing (roller pressing) venting is insufficient, residual air forms bubbles after lamination.
Análise das causas
PVB pre-pressing roller pressing venting function; roller pressing speed, temperature, and pressure; glass and PVB lamination; edge sealing timing.; When troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based only on experience
Solução
①Roller pressing speed, temperature, and pressure optimization; ②Venting sufficiency verification; ③Lamination quality inspection; ④Edge sealing control.; After adjustment, continuously sample to verify the effect, confirm stability before resuming mass production
Conclusão principal
PVB pre-pressing venting is the key process for bubble prevention; parameter matching affects the effect; verification means ensure quality.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
Isto foi útil?
0 pessoas acharam isto útil
Obrigado pelo seu comentário!