The preprinted paper is always scratching, what is going on?
Some fans answered with a heart:
Fan suggestions:
One: The temperature of the hot plate is too high, and the varnish is not resistant to high temperatures.
Two: varnish is not resistant to high temperatures!
Three: Every time you run pre-printed hot plate.
Four: The first one is that the varnish on the pre-printed paper is not good. When the second one is worn, do not bake the surface, bake the bottom, and the temperature of the third drying tunnel should not be too high. Check the parallel of the hot plate for the fourth time.
Five: The main reason is that varnish is not resistant to high temperature. When the plate is overheated, the temperature is high and the oil is lost. If it is three layers, the last group or two sets of hot plates can be turned off.
Six: slow speed, high temperature.
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