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Magnetic separation can also be used in electromagnetic cranes that separate magnetic material from scraps and unwanted substances. [1] This explains its use for shipment equipments and waste management. Unwanted metals can be removed from goods with this technique. It keeps all materials pure. [1]
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Electromagnets usually consist of wire (likely copper) wound into a coil . A current through the wire creates a magnetic field which is concentrated along the center of the coil.
In a maglev train the primary coil assembly lies below the reaction plate. [7] There is a 1–10 cm (0.39-3.93 inch) air gap between that eliminates friction, allowing for speeds up to 500 km/h (310 mph). [7] An alternating electric current is supplied to the coils, which creates a change in polarity of the magnetic field. [8]
A single girder EOT crane has one main girder, making it easy to install, and requires less maintenance. The most common single girder EOT cranes are as follows: LD type single girder EOT crane; LDP type single girder EOT crane and; HD type single girder EOT crane; It is used for lighter industrial applications as it has lower weight limits.
Disk electromagnetic brakes are used on vehicles such as trains, and power tools such as circular saws, to stop the blade quickly when the power is turned off.A disk eddy current brake consists of a conductive non-ferromagnetic metal disc attached to the axle of the vehicle's wheel, with an electromagnet located with its poles on each side of the disk, so the magnetic field passes through the ...
In 1959 crane expert R.H.Neal, hydraulics specialist F.Taylor, and design director Bob Lester, integrated all three and modernized cranes. The Coles Hydra Speedcrane appeared in 1962, further modified with the 10-ton fully telescopic hydraulic boom in 1966, followed in 1968 by the 30-ton "Husky" military versions with four-wheel drive .
These equations provide a rigorous solution of Maxwell's equations in a linear medium, the only limitation being the finite number of modes. When there is a change in the structure along the z-direction, the coupling between the different input and output modes can be obtained in the form of a scattering matrix.
The electromagnet is above the object being levitated; the electromagnet is turned off whenever the object gets too close, and turned back on when it falls further away. Such a simple system is not very robust; far more effective control systems exist, but this illustrates the basic idea.