Which types of misalignment are commonly identified?

Common types of misalignment that are typically identified in mechanical systems are offset and angular misalignment.

Offset misalignment occurs when the centers of rotation of two coupled shafts are not aligned along the same axis, leading to a separation that can put stress on the bearings and other components. This type of misalignment can result in uneven wear, vibrations, and ultimately, failure of machinery if not addressed.

Angular misalignment, on the other hand, refers to a situation where the angle between two shafts is not consistent with their intended alignment, even if their centers might be aligned offset in space. This results in the shafts being at an angle to each other rather than parallel, leading to similar issues such as excess vibrations and misdirection of loads.

Recognizing that both offset and angular misalignment can occur separately or in combination is crucial for maintaining the reliability and lifespan of mechanical systems. Therefore, the identification of both types falls under standard practices for asset reliability engineering. This knowledge is essential for performing effective maintenance and improving the operational efficiency of machinery.