ABA blown film machines produce blown film materials suitable for various high-end film packaging. These films, due to their excellent barrier properties, preservation, moisture protection, frost protection, oxygen barrier, and oil resistance, are widely used in light and heavy-duty packaging, such as for various fresh fruits, meat products, pickles, fresh milk, liquid beverages, and pharmaceuticals.
If a non-professional blown film machine is used, or if the correct processing method is not employed, the resulting film material may be of inferior quality. Check that the temperature control system and heating elements are functioning properly, and adjust the heating temperatures at each point within the specified range. Operators should not stand directly in front of the machine while it is in operation to avoid accidental injury.
When feeding material, strictly prevent metal impurities and hard objects such as small tools that could damage the machine from falling into the barrel. Do not wear gloves when operating the rotating machine to prevent injury from entanglement. Once the material output from the die is uniform, put on gloves and slowly lift the tube blank while simultaneously sealing the end of the tube blank and slightly opening the air inlet regulating valve to allow a small amount of compressed air to enter through the center hole of the mandrel.
Then carefully guide the extruder through the stabilizing frame and herringbone plate, and then through the traction roller and guide roller until it is wound up. When cleaning the extruder and die, you can use a copper knife, rod, or compressed air, but be careful not to damage the screw and its smooth surface. Air cooling is mainly for the motor and barrel; the motor temperature should ideally be controlled below 80 degrees Celsius, while the barrel temperature varies depending on the process of the product being extruded.
This machine has two functions. The reason is that plastic materials are divided into high-density and low-density materials, such as high-density polyethylene and low-density polyethylene. Because these two materials require different processing conditions, the high-low pressure blown film machine combines both functions into one.
