Precautions for Using Degradable Film Blowing Machines

The application of degradable film blowing machines has expanded significantly, driven by both public demand for environmentally friendly products and the special requirements during the epidemic, leading to a broader market prospect. As a large-scale piece of equipment, the use of degradable film blowing machines requires strict adherence to safety and operational norms; any negligence may lead to potential hazards. Below is a detailed overview of the key precautions.

Degradable film is an emerging biodegradable material that differs from conventional films. It can be completely degraded without causing environmental harm or pollution, and is regarded as the first generation of visibly decomposable plastics. Due to its unique properties, the production process of degradable film has high technical requirements, and strict compliance with operational standards is essential to ensure qualified products. The specific precautions are as follows:

1. Safety Precautions

Safe production is a top priority for factories, and this is particularly true when using degradable film blowing machines. Safety issues must never be overlooked. Firstly, no personnel are allowed to stand directly in front of the machine's discharge area during operation. Secondly, gloves must not be worn when feeding materials into the hopper, as rotating machine parts may entangle and pull in the gloves. Additionally, no debris—especially metal utensils or hard objects—should be piled near the machine to prevent them from falling into the machine barrel. Before starting the machine, it is crucial to check the power supply of all circuits to ensure normal operation and prevent electric leakage, which could disrupt production and pose safety risks.

2. Pre-Startup Machine Inspection

Proper pre-startup inspection of the machine is vital to improving production efficiency. Before powering on, carefully check the reduction gear unit and lubrication system to ensure adequate lubrication. Insufficient lubrication of parts can lead to harsh, ear-piercing noises during operation. Simultaneously, recheck the power supply of all circuits to confirm stable connections and normal operation. Any faults or abnormalities must be promptly rectified to eliminate potential electric leakage, which could otherwise affect production progress and safety.

3. Operational Precautions

Within the allowable range of process parameters, appropriately increasing the molding temperature, cooling air temperature, and blow-up ratio can optimize film quality. However, excessive adjustment of these parameters will cause the film to become turbid and lose luster (or reduce glossiness), so precise control is critical. When the discharge from the die head is uniform and consistent, put on gloves to slowly pull the tube blank. At the same time, seal one end of the tube blank, gently adjust the air valve to introduce an appropriate amount of air, and then carefully thread the bubble through the bubble stabilizer and the traction roller to complete the initial operation. Throughout the process, it is necessary to ensure that the tube blank does not rupture and that the production is symmetrical, so as to guarantee both product quality and output.

4. Hygiene and Maintenance Precautions

Regular cleaning of the extruder and die head is essential for maintaining machine performance. Cleaning tools such as wooden sticks, copper scrapers, or compressed air can be used for this purpose. It is strictly prohibited to use tools that may damage the screw or scratch its smooth surface, as this will affect the machine's service life and production efficiency.