What is the most common method of lubricating a machine with multiple bearing points?

The most common method of lubricating a machine with multiple bearing points is using an auto lubricator. These devices are designed to deliver a consistent and controllable amount of lubricant to various points within a machine automatically. This approach is particularly beneficial in systems where access to bearings may be difficult or where continuous lubrication is essential to prevent wear and reduce maintenance frequency.

Auto lubricators can be programmed to deliver lubricant at specific intervals, which helps ensure that each bearing receives the right amount of lubrication. This is vital for enhancing the lifespan of the bearings, reducing friction, and maintaining the performance of the machine. Moreover, using an auto lubricator minimizes the risk of over-lubrication or under-lubrication, both of which can lead to equipment failure.

In contrast, methods like manual greasing require consistent human intervention, which might lead to inconsistencies in lubrication. An oil bath can be effective for certain configurations but may not be practical for all bearing setups, especially if they are not submersible or if the operating environment is unsuitable. An oil mist system, while effective in certain applications, is less commonly used for general lubrication compared to the reliability and automation that auto lubricators provide.