Case Studies and Stories
A Hoist Application in the Mining Industry
A hoist or winder is a mission critical application found in underground mines. The hoist is used either to transport ore to the surface or personnel to or from the mine shaft. There are three types of hoists...
- Tim Sundstrom
- SPM Instrument
Boliden Garpenberg Mine
In January 2011, New Boliden decided on a major expansion of operations at the Garpenberg mine in central Sweden, aiming to successively increase production from 1.4 million to 2.5 million tons annually...
Condition Monitoring of Ball Mill with HD Technologies
After long discussions, both plants decided to switch from the VCM system to the newer Intellinova system - and with fabulous results, which are highlighted in chapter...
- Robbert de Rouw
- SPM Instrument BV
Ultra-Long Pre-Warning Time on Low-Speed Drying Drum with HD Technology
The application in this case is a drying drum. The drums are heated inside and their purpose is to mix ingredients together to make grains, and to cool or dry existing grains.
Hydra Main Propulsion Gearbox
Once upon a time, there was a ship called the Hydra. They were suspicious that the gears or bearings in the main gearbox were failing and asked a vibration analyst to perform a test. The analyst turned to me for help...
- Jason Tranter
- Mobius Institute
Sub-Synchronous Vibration and Compressor Rotor Instability
In May 2015, a K-3603 HHP BOG compressor tripped on high-high radial vibration, exceeding trip setting 83 μm peak to peak as the compressor discharge pressure increased to 68 bars.
- Ahmad Fadzli
- MLNG Sdn. Bhd.
Vibration Troubleshooting Centrifugal Compressor
Vibration analysis is an important tool for condition monitoring, failure diagnosis and equipment life prediction. It also can be a powerful tool for new equipment development and manufacturing. This paper presents a case study of troubleshooting a vibration problem in Trane’s compressor plant when a new compressor family was launched...
- Yubo Nian
- Trane/Ingersoll Rand