Bearing cage damage in vertical roller mill
This case study deals with the detection of a damaged bearing cage in a gearbox driving a vertical roller mill in the Hoang Mai cement plant in Vietnam.
Since 2015, an Intellinova Compact online system monitors the mechanical condition of the gearbox using HD condition monitoring technology. Some time after the system was installed, the first signs of damage appeared. Measurement with SPM HD showed increasing shock pulse levels that indicated problems on a bearing cage on the output pinion shaft. On removal of the bearing from the shaft, broken bearing cage parts were found.
Thanks to the prewarning time of about four months, it was possible to replace the bearing during a planned shutdown, thus saving the plant an estimated USD 270,000.
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Case Study
CS026 - Vertical rolling mill - Hoang Mai Cement| Filename/description | Language | Size | Modified | |
|---|---|---|---|---|
| CS_026B_Vertical_rolling_mill_HoangMai_Vn_B.pdf | English (United Kingdom) | 20 MB | 3/15/2021 | |
| This case study deals with the detection of a damaged bearing cage in a gearbox driving a vertical roller mill in the Hoang Mai cement plant in Vietnam. | ||||
HD Technologies
High-definition condition monitoring technologies provide exceptional pre-warning times, maximizing the planning horizon for maintenance and repairs. In turn, this enables fully utilizing asset life, cutting repair costs, and minimizing the consequences of unplanned downtime.
Intellinova online systems
With Intellinova, our unique HD condition monitoring technologies can be fully utilized to successfully provide earlier warning of mechanical problems than any other monitoring technology.