1, The photoelectric frame is inclined, the front film is lifted outward, and the film is lifted inside.
2, The rubber roller pressure is uneven, which side of the pressure is large, where the film goes
3, The horizontal sealing knife pressure is large, uneven, which side of the pressure film to go
4, The intermediate rubber roller has problems, imbalance or excessive friction coefficient
5, The punching knife is upturned, not pressed tightly
6, The thickness of the two sides of the film is not the same
7, Template installation oblique