Case Studies and Stories
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.
Energized Motor Testing Reveals Improper VFD Settings
This 55-kilowatt, 400-volt motor is controlled by a variable frequency drive (VFD). This motor drives the centrifugal fan that sends air into a natural gas combustion burner...
- Ettore Di Pasquale
- ALL-TEST PRO
What is 3 Minutes of Motor Testing Worth to You?
A motor distributor in the Netherlands provided a 17 Kilowatt, 400-Volt motor to a local hospital in 2015. The hospital rented a portable crane to install the motor onto the roof of the building. The motor is used to operate a fan that is mounted on the hospital’s roof...
- Richard Scott
- ALL-TEST PRO
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
Analytical Ferrography Forensics
A steel mill uses this pump to boost the water pressure it supplies to the hot mill for descaling. Thin scale forms rapidly on the hot slab and must be removed before entering the mill stands...
Analytical Ferrography Forensics II
A steel mill uses this motor to drive a double reduction gearbox on a roughing mill at an input speed of 450 rpm. The motor has babbitt sleeve bearings...
Prediction of Vibrational Fatigue on Bolted Joint Interfaces Using CAE
Vibrational fatigue is the failure of a material under cyclic loading caused by forced vibration. An excited structure responds at its natural frequencies, resulting in a dynamic stress load...
- Ameer Ambavaram
- Mercury Marine
Major Middle East Utility Pilots use of IRISS Maintenance Inspection Systems
With more than four months per year where the maximum daily temperature exceeds 101°F (38°C), Dammam, Saudi Arabia is one of the hottest places on earth...
- Mohamed Ahmed
- IRISS Inc.
Middle East State Owned Utility Company, Fault Prevented
Following the detection of Partial Discharge activity, an offline investigation was conducted on the asset to locate the discharging component...