Which factor typically leads to increased wear in chain couplings over time?

Increased wear in chain couplings is often a result of misalignment of components. When the shafts connected by the coupling are not aligned correctly, it can lead to uneven forces being applied across the coupling. This misalignment causes additional stress on the chains and links, resulting in accelerated wear due to the increased friction and strain. As the components attempt to compensate for the misalignment, they may also experience more impact and wear on the surfaces interacting with one another.

Misalignment can occur due to various reasons, such as installation errors, settling or shifts in the machinery over time, or wear of bearings. Preventing or correcting misalignment is critical in maintaining the longevity and performance of chain couplings, as it allows them to function within their designed operational limits.