An electromagnet is a type of magnet that is composed of a battery and iron wire that uses electric current in order to generate a magnetic field.

Electromagnet

The magnetic field is generated when the electric current passes through a wire, and the field dissipates when the current stops. The primary function of electromagnets is that they are used to lift metallic objects as well as being utilized in the design of many different machines and electronic systems.

Scientific laboratories, manufacturing plants that handle scrap metal, the automotive industry and appliance and electronic manufacturers all benefit from the use of electromagnets. In addition, they are part of the design of electric motors, generators, doorbells, circuit breakers, TVs, speakers and read and write heads for hard disks and tape drives.

electromagnet

electromagnet

In the automotive industry, electromagnets are used to manufacture brakes and clutches in vehicles. In factories and plants, electromagnets are used to lift and suspend scrap metal and other heavy metallic objects like billets, steel plates, bars and forgings. In many of these applications a permanent magnet can be used instead of an electromagnet; however, electromagnets offer the advantage of being able to manipulate the magnetic field over a wide range at a rapid pace.

Electromagnet

There are a few main components that are utilized in the formation of electromagnets: a battery and an iron wire. This wire is often formed into a coil, and can be formed into various shapes including that of a helix, making it a solenoid coil and that of a donut-shape, making it a toroid coil.

In addition, the material of iron is used as the wire component in electromagnets because it belongs to a small group of metals that exhibit ferromagnetic properties and generates a magnetic field when exposed to an electrical current. The magnetism only exists when current is flowing from the battery. This type of soft iron core is also referred to as a ferromagnetic core and offers extremely high magnetic permeability. There are two main types of electromagnets.

The first, flat-fraud, is mainly used when the magnet is able to attach itself to a smooth, flat piece of metal. Parallel-pole electromagnets have two poles spaced far apart from each other that allow the magnetic field to have a greater reach. These are used when the metallic object is of an irregular shape and only comes in partial contact with the magnet surface.

24 Volts Bipolar Electromagnets

24 Volts Bipolar Electromagnets

24 Volts Bipolar Electromagnets, DC Parallel Pole Electromagnets, Rectangular parallel pole electromagnets bipolar, Terminal Block DC Electric Magnets China Supplier 24 Volts Bipolar Electromagnets have widely spaced poles with a continuous magnetic field down the full length of the magnets face. These two-pole Bipolar Electromagnets generate a parallel magnetic field which is advantageous for lifting […]

 

12 Volts DC Parallel Pole Electromagnets

12 Volts DC Parallel Pole Electromagnets

12 Volts DC Parallel Pole Electromagnets, Bipolar Electromagnets, Rectangular parallel pole electro magnets, Terminal Block Rectangle DC Parallel Pole Electric Magnets China Supplier 12 Volts DC Parallel Pole Electromagnets have widely spaced poles with a continuous magnetic field down the full length of the magnets face. These two-pole Bipolar Electromagnets generate a parallel magnetic field […]

 

Rectangle Electromagnets

24 Volts DC Rectangle Electromagnets

 24 Volts DC Rectangle Electromagnets, Rectangular Flat-Faced Electromagnets, Block Electromagnets Permanent Electromagnets, Standard Rectangle & Square Electro Magnet Block electromagnets (or rectangle electromagnets): Electromagnet in rectangular shape, which is used for holding, carrying and fixing of ferromagnetic work pieces. Magma standard rectangular electromagnets maximum length is 1000mm. Our standard block electromagnets can also give you some […]

 

Square Electromagnets

Flat Surface Rectangular & Square Electromagnets

Flat Surface Rectangular & Square Electromagnets, Square Permanent Electromagnets, DC Rectangular Flat-Faced Electromagnets, Rectangular Island Pole Electromagnets China Supplier HSMAG Rectangular & Square Electromagnets are an island pole designed series. When energized with a Storch D.C. Power Supply, the Square & Rectangle Electromagnet’s outer edge (or pole) produces a North or South Magnetic field which surrounds […]