Archives: Glossary Terms: 119 terms

Vibration analysis is a condition monitoring technique that measures and interprets the frequency, amplitude, and patterns of mechanical oscillation in rotating equipment. Specific vibration signatures indicate developing problems such as imbalance, misalignment, bearing wear, looseness, and gear defects before they progress to failure. This diagnostic method is a cornerstone of predictive maintenance programs, enabling planned repairs that avoid catastrophic damage and unplanned outages.

Welded connections are structural joints formed by fusing steel members together using electric arc or other welding processes to create a continuous load path. Common types include fillet welds, groove welds, and plug welds, with size and configuration determined by load transfer requirements and access for welding. These connections provide rigid, moment-resisting joints with cleaner aesthetics than bolted alternatives, but require qualified welders, proper procedures, and inspection to ensure structural integrity.