Failure and maintenance of plastic granulator

First, the host current is unstable, resulting in uneven feeding, main motor bearing damage or poor lubrication, no heating. If a certain heater fails or the phase is wrong, the screw adjustment pad is wrong and the components interfere.

Troubleshoot, check the feeder and replace the bearings if necessary. Repair the main motor and replace the heater if necessary. Check if the heaters are working properly, pull out the screw to check the screw for interference, and check the adjustment pad.

Second, the main motor cannot be started: the driving sequence is wrong, should check whether the fuse is burned; the main motor thread has a problem; the interlocking device related to the main motor works.

Re-drive in the correct driving sequence, check the sequence, check the main motor circuit, and check the status of the interlocks associated with the main motor. The oil pump does not turn on and check if the lubricant pump is activated. The motor can't be turned on. After turning off the main power supply and waiting for 5 minutes, the inverter will not start again. Check whether the emergency button is reset.

Third, the machine head is not smooth or blocked: the material is not plasticized, the heater does not work or the plastic has a wide molecular weight distribution. The operating temperature setting is low and unstable. There may be a foreign matter that does not melt easily.

Replace if necessary, check the heater and consult with the craftsman if necessary. Verify the set temperature of each section; increase the temperature setting; clean and check the extrusion system and the machine head.

To correctly understand the working principle of the plastic granulator, the plastic granulator can be properly used and properly maintained.

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https://www.recycle-plant.com/plastic-granulator-machine.html