Motor winding and gearbox problems identified within three days of installation.
- Motor winding problems identified within three days of installation
- Intermediate gearbox issues found
- Motor stalling on the dual-drive hoists diagnosed
- Industry
- Steel
- System type
- Diverse machines, one process
- Machines
- EOT crane hoists
- Period
- The first three days
Walking-beam reheat furnaces, six roughing stands, six finishing mills, and EOT cranes with dual-motor hoists driving one drum through coupling and gearbox.
Constant load variation, rapid start-stop duty and a moving platform make sensor mounting impractical, and baselines never settle.
The dual-motor hoists driving one drum were read as one electrical system, from the cabinet rather than the moving platform.
What changed
Within three days of installation, motor winding problems and gearbox anomalies were identified — including intermediate gearbox issues and motor stalling on the dual-drive hoists.
Related use cases
Walk the storyA month below plan, and nobody could say what to fix first.
Read the caseMixer blade changes flagged before batch quality degraded.
Read the caseFour significant hot-saw faults caught between February and May, which led to a redesign of the structural frame.