Introduction: A pump runs fine for six months. Then one morning it trips on high vibration. You pull it apart and find the coupling chewed up, the bearing races pitted, and the mechanical seal leaking. The root cause? Nobody checked the shaft alignment before the last reinstall. This happens in plants every day — refineries, … Read more
1. Introduction: What Is Shaft Alignment? Two machines — like a pump and a motor — are connected by a coupling. Both machines have a shaft. The shaft is the rotating rod that transfers power from one machine to the other. Shaft alignment means: Both shafts must sit on the same straight centerline. If the … Read more
Introduction: why ignoring pump maintenance costs more than you think: In many industrial plants, I have noticed one common pattern – centrifugal pumps are often run until they fail, instead of being maintained proactively. At first glance, this approach appears cost-effective. There is no planned downtime and no immediate maintenance expense. However, when a pump … Read more