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Care of the Film extruder

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Care of the Film extruder

Film extruder has many important influences on our production and life. So what is the maintenance of the Film extruder? Let's take a look next.


Here is the content list:

  •  Feeder system

  •  Extruder System

  •  Die head system

  •  Air ring maintenance

  •  Traction unit maintenance

  •  Electrical maintenance



Feeder system

Clean the Film extruder filter in time and check the negative pressure feeding system for air leakage.



Extruder System

①  Observe the Film extruder pressure gauge and the current of the main motor and clean the screen changer in time.

② Check the gearbox, screw, main motor for noise and overheating.

③ Check the operating frequency, current, and temperature rise of the inverter, and clean the motor and inverter dust on time.

④ Correct the error between thermocouple measurement and actual temperature.

⑤ Correct the placement of the extruder and adjust the sheave to ensure the placement angle and level of the extruder.



Die head system

① Film extruder is heated by a secondary heating method to avoid temperature overshoot.

②Use a pure copper scraper to clean the accumulated material and paraffin to clean the membrane opening before starting and stopping, to reduce the influence of the precipitate on the membrane bubble.

③ After the Film extruder is stopped, cover the protective felt in time to avoid damage to the mold. (The upper blowing machine adopts this method)

④ Regularly check the temperature and current of each temperature zone and the membrane opening a heating plug-in and correct the temperature difference.

⑤ Correct the level of the die head and match the center point with the traction.

⑥Film blowing machine Use a torque wrench to disassemble the screws of the mold, operate according to the specified torque, and use molybdenum disulfide grease for the high-temperature parts of the screws.

⑦It is forbidden to weld and cut the mold.



Air ring maintenance

Clean up debris and dust in the air ring in time.



Traction unit maintenance

The herringbone folding is pollution-free, the pressure of the clamping and pulling (cooling) rollers is suitable, there is no condensation water, and the flattening rollers run flexibly.



Corona Processor Maintenance

① Regularly clean the Film extruder high-voltage transformer, discharge roller, discharge rack, electric control box, and adjust the discharge gap;

② Check the humidity of the equipment before starting the machine, avoid short circuits of the discharge frame, and check the operating temperature of the discharge roller bearing.

③ Replace the silicone tube in time.


Electrical maintenance

① Ensure that the power supply of the film blowing machine is stable and reliable, and the performance parameters meet the requirements.

②Film blowing machine should keep suitable temperature and humidity, keep good grounding, and pay attention to eliminate the danger of static electricity.

③ Regularly remove dust from the radiator.

④ It is forbidden to make some repairs to the core components.




The above is the relevant content about the product characteristics of Film extruders, if you are interested in plastic recycling granulating production line, blowing film machine, blown film extrusion machine, you can contact us, our website is www.bosenmac.com.


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