Polyethylene Film Production Process

Film blowing machine is a mechanical device that heats and melts polyethylene film plastic particles and then blows them into a film. First, add dry polyethylene particles into the lower hopper, and enter the screw from the hopper by the weight of the particles. When the pellets contact the threaded bevel, the rotating bevel will generate a thrust perpendicular to the bevel surface to the plastic. The plastic particles move forward. During the process, the friction between the plastic and the screw, the plastic and the barrel and the collision and friction between the particles, and the heating of the barrel gradually melt. The molten plastic is removed from the die head by the filter screen of the machine head, and then is blown and cooled by the air ring, and then pressed by the herringbone plate, and the finished film is rolled into a tube by the traction roller.