How does a plastic granulator work?

Whether the electrical wiring of the plastic granulator is accurate and whether it is loose. When measuring the motor with a megohmmeter, the insulation resistance of the cast aluminum heater shall not be less than 0.5MΩ. Whether the detection elements such as thermocouples and melt sensors are installed properly. The main motor voltage is 380V, and the frequency range is 0-50HZ. Screw speed is 0-130r / min.

   Check the lubricating system: add lubricating oil to the gearbox to the oil level indicating the oil level. Check the oil circulation system and the oil supply conditions at each point. After the point-turn oil pump is turned correctly, turn on the oil pump, and set the pressure relay to alarm when the protection pressure is lower than 0.08Mpa, and then check and adjust the oil quantity and injection condition of each oil supply point.

   Check that all the upper and lower water pipes and oil pipes of the plastic granulator should be unobstructed and leak-free, and all control valves should be easily adjusted. Manually crank the safety coupling, check the transmission system and the moving parts such as the screw, and it is qualified if there is no abnormal sound.

   From the head of the machine, the screw turns clockwise, and the screw rotates no less than three times. Whether the combined configuration of the host screw barrel is suitable for the type of material to be processed. If it is obviously not suitable, it should be recombined and adjusted. After cleaning the storage bin and hopper, after confirming that there are no foreign materials, fill the storage bin and start the automatic feeding machine.

   When the material in the hopper of the plastic granulator reaches the predetermined level, the feeder will automatically stop feeding. Various metering and feeding devices shall be calibrated on-site according to the process requirements, the feeding curve of each feeding device shall be given, and the commissioning plan shall be agreed.

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