Many gears can be affected by a phenomenon known as micropitting. This condition is seen when microscopic cracks form on gears and through time and stress result in microscopic pits. These pits grow larger and eventually break away. This can even be a primary failure mode for gears.
Zinc has been a key additive constituent in hydraulic oils, as well as the majority of oil types, for decades. It primarily is used as an anti-wear agent or as an antioxidant.
In the current business environment, manufacturing equipment is constantly being pushed to its limits, with the expectation of running continuously to keep operations going without interruption.
It is time to stop treating grease as some simple substance that just needs to be pumped into machines at some random frequency and then hoping for the best. Machine greasing must be a systematic and carefully planned process to ensure safe operation of assets and to achieve maximum equipment life.