International Maintenance Conference: The Speed of Reliability

International Maintenance Conference 2025: The Speed of Reliability

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Casing Distortion, Hidden Enemy of Rotating Machinery

Roman Megela Gazdova

Casing Distortion is the hidden enemy of rotating machinery. Pipe Strain, Soft Foot and Missalignment are some of the causing problems. It affects geometry of the casing which cause displacement of bearing loads affecting directly the lubrication. By changing the loads rolling elements becomes displaced in the raceway and push away lubrication film. This condition leads directly to metal to metal contact and cause failure. Mechanical seals are also very sensitive to position changes. Nobody wants to own or operate leaking compressor not only beacue is not efficient but also emissions cost a hundreds of dollars. And when refering to new fuels such as Hydrogen, to compress it to 1000bar means the seals must be reliable. Let's learn how to avoid this condiiton in the first place by using correct precision installation procedures and then, keep mechanical integrity of rotating equipment.

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