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How to Troubleshoot Common plastic crusher machine Faults?

plastic crusher

1.Bearing Overheating

Possible Causes:

  • Insufficient grease.
  • Excessive grease.
  • Contaminated or deteriorated grease.
  • Damaged bearing.

Solutions:

  • Add the appropriate amount of grease.
  • Ensure grease fills 50% of the bearing’s space.
  • Clean the bearing and replace the grease.
  • Replace the damaged bearing.
plastic crusher machine

2.Oversized Discharge Particles

Possible Causes:

  • Worn hammerhead.
  • Broken screen bar.

Solutions:

  • Replace the worn hammerhead.
  • Replace the broken screen bar.

3.Reduced Output

Possible Causes:

  • Blocked screen bar gap
  • Uneven feeding

Solutions:

  • Stop the machine and clear any blockages in the screen bar gap.
  • Adjust the feeding mechanism for even distribution.
crusher machine

4.Knocking Sound from the Elastic Coupling

Possible Causes:

  • Loose pin,
  • Worn elastic ring

Solutions:

  • Stop the machine and tighten the pin nut.
  • Replace the worn elastic ring.

 5.Knocking Sound Inside the Machine

Possible Causes:

  • Non-crushable objects in the machine,
  • Loose liner fasteners causing the hammer to hit the liner,
  • Broken hammer or other parts

Solutions:

  • Stop the crusher machine and clear the crushing chamber.
  • Check and tighten the liner fasteners, ensuring a proper gap between the hammer and the screen bar.
  • Replace any broken parts.
industrial crusher

6.Machine Vibration

Possible Causes:

  • Rotor static balance issues due to hammerhead replacement or cone headwear,
  • Broken hammerhead causing rotor imbalance,
  • Bent or broken pin shaft,
  • Cracked triangular or round plate,
  • Loose anchor bolt

Solutions:

  • Remove the hammerhead and ensure the total weight of the hammers on each hammer shaft is balanced.
  • Replace the hammerhead.
  • Replace the bent or broken pin shaft.
  • Repair or replace cracked plates with electric welding.
  • Tighten loose anchor bolts.

By following these troubleshooting steps, you can effectively address common issues with industrial crusher and ensure their optimal performance.

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