Operating Instructions for a 2-Layer Stretch Film Machine

The 2 layer stretch film machine uses a co-extrusion process to form a 2 layer film. Each layer has a specific function: one layer provides high tensile strength and puncture resistance, while the other delivers strong cling and UV protection. Together, they create a durable and stable barrier that helps preserve agricultural products during long-term storage.

Operation starts with checking key systems, including power, heating, and cooling. Once the machine is stable, all temperature zones are preheated to the required settings. After reaching the target temperature, the extruders are started, and raw materials are fed into both layers simultaneously.

During production, the melt flows through the die and is formed into a uniform film. Cooling rollers quickly stabilize the film structure and ensure consistent thickness. Operators can adjust layer ratios and processing parameters to control film properties for different storage needs.

The winding system maintains steady tension throughout the process. This ensures the film is wound evenly into rolls without wrinkles or breakage. Proper tension control also improves film performance during later application.

After production, the machine is shut down in stages. Heating is reduced gradually, and the extruders are stopped. The system is then cleaned to remove residual material and maintain stable long-term operation.

Through controlled co-extrusion, precise temperature management, and stable winding, the two-layer stretch film machine produces consistent protective film designed for agricultural storage applications.