Double-sided machine - glue viscosity is too low

Observe the edge of the waveform of the paste line in the figure below, and note that the paste shape blur appears on the edge of the paste line, and the paste has been initially flowed out of the corrugation. This may cause problems with the quality of the carton – the impact is either positive or negative. To make an accurate judgment, there are many other factors that need to be considered.