Proper Coupling Lubrication is Critical to Performance

This Noria article addresses the lubrication requirements of couplings to ensure best performance

Lubricant levels and quality must be verified through periodic checks. Additional lubricant may need to be added to compensate for leakage, and periodically the lubricant must be flushed and changed to remove harmful byproducts of lubricant breakdown, to replace oil-depleted grease or to refresh the additive population.
Lubricant levels and quality must be verified through periodic checks. Additional lubricant may need to be added to compensate for leakage, and periodically the lubricant must be flushed and changed to remove harmful byproducts of lubricant breakdown, to replace oil-depleted grease or to refresh the additive population.

Article originally published on Noria.com.

In an ideal world, multiple components could be produced in a single piece, or coupled and installed in perfect alignment. However, in the real world, separate components must be brought together and connected onsite. Couplings are required to transmit rotational forces (torque) between two lengths of shaft, and despite the most rigorous attempts, alignment is never perfect. 

To maximize the life of components such as bearings and shafts, flexibility must be built in to absorb the residual misalignment that remains after all possible adjustments are made. Proper lubrication of couplings is critical to their performance.

(read the entire article, " The Lubrication Requirements of Couplings", on Noria.com...)

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