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Repair of a hammer mill rotor

Hammer crusher rotor is wear parts of crushing systems.  Our company has been repairing and restoring of rotor hammer crushers.
Presented below the rotor hammer mill used for crushing the oil shale on the Estonian power plant. Rotor weight 13 tons.

The scope of work to restore the hammer mill rotor includes:
- Analysis of the rotor
- Reinstall discs
- Welding and turning of the rotor shaft
- Manufacturing new discs of the rotor
- Installation (press fitting) new discs
- Balancing the rotor