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The service life of bridge cranes is usually between 15 and 30 years, which mainly depends on their design and manufacturing quality. High quality overhead cranes, using high-quality materials and advanced manufacturing processes, can have a service life of over 30 years. On the contrary, ordinary quality cranes typically have a service life of 15 to 20 years.

The usage environment has a significant impact on the lifespan of bridge cranes. When used in a stable indoor environment, the service life of bridge cranes will be longer. Outdoor environments, especially those with high levels of corrosive gases and dust, can accelerate equipment aging and wear, shortening its service life.

Regular maintenance and upkeep are the key to extending the service life of overhead cranes. Regular inspection, lubrication, cleaning, and replacement of worn parts can effectively extend the service life of the equipment. Lack of maintenance and upkeep can greatly shorten the lifespan of the machine, which may require major repairs or replacements within 10 to 15 years.

The frequency of use and load conditions are also important factors affecting the service life of bridge cranes. Frequent use and frequent overload operation can accelerate the wear and aging of equipment, shorten its service life. Relatively speaking, under less usage and lighter loads, the lifespan will be longer.

Overall, the actual service life of bridge cranes depends on design quality, usage environment, maintenance and operation conditions. Through reasonable use and regular maintenance, overhead cranes can reach or even exceed their designed lifespan, ensuring their long-term efficient and safe operation.