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Service life is not to be confused with shelf life, which deals with storage time, or with technical life, which is the maximum period during which it can physically function. [3] Service life also differs from predicted life, in terms of mean time before failure (MTBF) or maintenance-free operating period (MFOP).
Prince was built 1863 and operated 1864–1936, 1955–1968, 1980-present, a product life of over 150 years, a service life of around 125 years. Product lifetime or product lifespan is the time interval from when a product is sold to when it is discarded.
A tractor being mechanically repaired in Werneuchen, 1966 Field repair of aircraft engine (1915–1916). The technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure and supporting utilities in industrial, business, and residential installations.
Depending on the vendor, end-of-life may differ from end of service life, which has the added distinction that a vendor of systems or software will no longer provide maintenance, troubleshooting or other support. [1] Such software that is abandoned service-wise by the original developers is also called abandonware. Sometimes, software vendors ...
A spare part, spare, service part, repair part, or replacement part, is an interchangeable part that is kept in an inventory and used for the repair or refurbishment of defective equipment/units. Spare parts are an important feature of logistics engineering and supply chain management , often comprising dedicated spare parts management systems.
The design life of a component or product is the period of time during which the item is expected by its designers to work within its specified parameters; in other words, the life expectancy of the item. It is not always the actual length of time between placement into service of a single item and that item's onset of wearout.
Parts that are designed to wear inside a machine—e.g., bearings and O-rings—are intended to be replaced with new ones; consumables like paper, cardboard, fabrics, and product packaging are designed with a service life commensurate with their intended use. For example, grocery stores may issue customers a paper or plastic sack to carry out ...
The basic premise of infrastructure asset management is to intervene at strategic points in an asset's normal life cycle to extend the expected service life, and thereby maintain its performance. Typically, a long-life-cycle asset requires multiple intervention points including a combination of repair and maintenance activities and even overall ...