Operation method of three-layer co extrusion blown film machine

Clean the film head and spiral body of the film blowing machine. When cleaning, apply paraffin or methyl silicone oil, and then gently wipe the paste with 1000 grit sandpaper until it is clean. When changing materials, adjust the temperature appropriately according to the material properties (there is a difference between the temperature of the return material and the pure material). After changing the mesh, increase the extrusion amount to extrude the paste. The key is to regularly add a little methyl silicone oil to the hopper during the production process. The fully automatic threading bag making machine can not only lubricate the screw film head, but also play a role in cleaning the film.

The production process of a film blowing machine is to first add dried polyethylene particles to the feeding hopper, and then the particles enter the screw from the hopper by their own weight. When the screw contacts the diagonal edge of the thread, the rotating diagonal face generates a vertical thrust on the plastic, pushing the particles forward. During the pushing process, due to the friction between the plastic and the screw, as well as the collision friction between the plastic and the machine barrel, as well as the external heating of the material barrel, the plastic melts. The molten plastic is filtered by the machine head to remove impurities and comes out of the mold. The fully automatic rope threading bag making machine is cooled, blown, and expanded to roll the finished film into a cylinder.

Operation method of three-layer co extrusion blown film machine

1. Check that the temperature control is in good condition, the heating appliances are in good condition, and pay attention to adjusting the heating temperature of each point of the plastic blowing machine in a timely manner within the specified range.

2. Check the traction speed and control the thickness of the film.

3. Check the air storage cylinder pressure of the plastic film blowing machine, it should not be too high, but there should be a backup pressure.

4. Check the gearbox position of the film blowing machine and the lubrication of the lubricating oil in the air compressor cylinder.

5. Check for impurities in the raw materials, especially by promptly using a magnet to check for iron mixing.

Pay attention to the internal circuit connections of the equipment. Generally, there are many electrical components in the film blowing machine. If they are not properly connected, it cannot be guaranteed that there will be no problems during operation. When using a film blowing machine, it is also necessary to do a good job of preheating the equipment. Only when the suitable temperature is reached can the film meet the requirements be processed. We must pay attention to this when operating, so as not to affect the quality of the processing.

When using a film blowing machine, it is also necessary to do a good job of preheating the equipment. Only when the suitable temperature is reached can the film meet the requirements be processed. We must pay attention to this during operation, so as not to affect the quality of processing. We must pay careful attention to this, so that there will be no negative impact.