Gear reducers can be complex machines that apply the science of gearing and mechanical benefit to run thousands of complex operations in many different industries. Gearbox manufacturers have designed a variety of gearboxes in multitudes of different configurations and gear ratios. When failures happen it is advisable to understand how to restoration the failed models and preventing future failures to keep production up and running.
Three things that may cause premature failure are poor lubrication, misalignment and overloading. Failure settings can involve bearing failures or gear failures, or both.
Lubrication is crucial for both bearing and gear life. Important aspects of lubrication are the volume of lubricant that is gear reducer box definitely delivered to each gear mesh and bearings, along with the properties of the lubricant. The lubricant forms a thin film that helps prevent metal-to-metal get in touch with between gears and between bearing parts. Modern industrial gears make use of an involute tooth form and tooth engagement, which is a mixture of rolling and sliding. The essential oil film can be a thin barrier between moving parts which allows the rotating power to turn the gears very easily without harm to the metal surfaces. Contamination in the lubricant can lead to scuffing and much faster wear for both the bearings and the gearing in a gearbox, so it is imperative that maintenance mechanics check gearbox lubricant for contamination periodically, once for 12 months as a minimum. Each gearbox could have a recommended oil level as well as a technique to lubricate both the bearings and the gear set. With bath lubrication, all shifting components dip down below the essential oil level. With splash lubrication, essential oil is definitely splashed around inside the gearbox casing by fast moving parts, covering all moving parts. With pressure lubrication, essential oil can be pumped to each gear mesh and bearing through spray nozzles or oil passages from the gearbox oil sump or from and external reservoir.