Gears don’t last forever, but under the right conditions, they could end up lasting a very, very long time. Different gears have different lifespans, and of course, how you create and treat a gear will affect how long it lasts. Over time, structural inefficiencies or normal wear and tear could chip away at the gear’s structure, or change its shape just enough to cause more damage, or corrode the surface to the point where its efficiency dips.
But what factors actually cause this damage, and what affects the gear’s overall lifespan?
- Type. Different types of gears have different natural lifespans, as each one serves a unique purpose. For example, a straightforward spur gear will experience wear differently than its tighter-fitting, less stress-bearing counterparts, the helical gear.
- Material. Gears can be made of one or a combination of several materials, usually including cast iron, steel, brass, bronze, and plastic. Some of these materials are relatively brittle or subject to wear, but are still ideal due to their low friction coefficient and ease of manufacturing.
- Application. Where and how the gear is being used is also important to keep in mind. For example, applications where the gear is under significant stress or operating under especially high speeds will wear a gear faster than their lower-stress counterparts.
- Lubricant. Most gears require some type of lubricant to keep operating efficiently. Without it, friction increases, and the gear will wear much faster.
- Precision. Any flaw in the manufacturing of a gear could lead to improper functionality. Even at a small scale, these imperfections can add up and eventually cause the gear to function inefficiently or in a way that damages the system.
As you can see, gear life and health is affected by a number of complicated factors, but working with a high-quality gear manufacturer can help you ensure the highest lifespan for all your components. When you start to see wear and tear, replace your gears as soon as possible; otherwise, they’re liable to cause a lot more damage. If you’re in need of replacement gears, contact us to see how we can design a new gear for your needs.