Industrial magnets come in various types, shapes, sizes, and strengths, and are used in diverse industries for different purposes. The MMPA and MDFA set industry standards for magnet manufacturing and testing. Industries that use magnets include automotive, electronics, mining, food, and pharmaceuticals. Magnets are used in conveyor belts, assemblies, separators, and cranes, and can lift, hold, carry, stack, and drop heavy loads. Magnets are also used in electric motors, generators, and electronic products. Maglev trains use magnets to levitate and reduce friction, allowing for high speeds.
Industrial magnets come in a variety of types, shapes, sizes, and strengths. They are used across a diverse spectrum of industries for an equally diverse set of purposes. Particular uses of industrial magnets depend on particular needs.
The Magnetic Materials Producers Association (MMPA) and the Magnetic Distributors and Fabrications Associations (MDFA) set industry standards for the manufacturing and testing of magnets. It is helpful to refer to their publications when selecting magnets for a particular industry. Some commonly used industrial magnets include permanent magnets, electromagnets, ferrite, samarium, rubber magnets, sheet magnets, and neodymium.
Industries that regularly use industrial magnets in their operations are automotive, electronics, plastics, glass and ceramics, shipbuilding, construction, mining, food and pharmaceuticals. They use magnets to facilitate production and to generate power. Magnets are also used in the implementation of industrial safeguards.
Magnets can be used in conveyor belts, plates, assemblies, separators, magnetized pulleys, pipe racks, chutes and cranes. Magnets are needed to separate ferrous impurities from non-ferrous matter. They separate metals from ore in mining.
In the food and pharmaceutical industries, magnets pick up any iron particles that may have inadvertently mixed with food or medicines. Magnetic sweepers at airports, docks and construction sites collect scrap iron that would otherwise endanger traffic or puncture tires. By detecting the scrap before damage occurs, they prevent repair costs.
Industrial magnets lift, hold, carry, stack and drop heavy loads. This is very useful in construction, shipping, manufacturing and mining. Magnets are also used in salvage operations and can help dredge up large objects from the ocean floor.
Magnets, in combination permanent and electromagnet, are used in electric motors to convert electrical energy into mechanical energy. The same combination is used in generators to convert mechanical energy into electricity.
Electronic products such as televisions, radios, CRT computer monitors, CD drives, speakers, microphones, clocks, and sensors contain magnets. Magnets are used in amplifiers, electric guitar pickups, transformers, actuators, compasses and toys.
Magnetos are used in Maglev trains. Maglev’s full form is magnetically levitated. The magnets in the underside of the train and in the tracks repel each other. Because of this repulsion, these trains actually float or levitate above the train tracks. This reduces friction and increases the speed of the train. Maglev trains, first introduced in Japan in 1997, can travel at speeds of up to 480 km/h.
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