Nowadays, the best paper coffee cups raw material are generally PE coated paper, and the printing of coated paper is stricter than ordinary printing base paper, and has higher technical requirements for the printing press. If there is a wrinkled defective product in the printing of the paper coffee cups raw material, you must first know what the cause is, and then solve it accordingly.
The main reasons for the irregular printing of the best paper coffee cups raw material are as follows. The tension of the printing press is too large or too small, which causes the paper to wrinkle. There is slack on one side of the paper coffee cups raw material paper, which causes wrinkling during winding. It may also be caused by the deformation of the printing rubber roller of the best paper coffee cups raw material or the imbalance between the machine level and the distance between the rollers. There are also some uncontrollable factors.
Faced with these situations, workers can adjust from the following aspects. Adjust the tension of the best paper coffee cups raw material paper to the standard size and check whether the grammage of the raw paper and the return water are uniform. Check whether the rubber roller is deformed, and replace it in time if it is deformed. Check whether the feeding rack of the machine for processing the best paper coffee cups raw material is dislocated, and whether the level of the machine is balanced.