Test Standards For Electro Permanent Lifting Magnet

By Author: India Powermelt
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Electro Permanent lifting magnet is a cost-efficient and lightweight way of transporting heavy materials in situations where another technique of material handling would be dangerous, hard or costly.
An Electro Permanent lifting magnet is basically used to lift heavy objects such as cars from the scrap heaps. Lifting magnets vary extensively in size and generally, the bigger ones are hung from a chain on a crane that is able to move the lifting magnet into the location required to retrieve the material. This filter type can be used for a wide range of purposes, including demolition and cleanup, construction and automobile junking.
Permanent lifting magnets are generally operated. They create a robust but low magnetic field so they are sensitive to air gaps between the load and the magnet. When an air gap enhances, the magnetic force will be substantially lessened. They work best on suave, flat surfaces instead of irregular and rough ones.
Magnetic lifting setups are very lenient to design and can be done also in homes, by people that have a scientific bent of mind. All the ...
... designs should be approved by the American Society of Mechanical Engineers (ASME) before the manufacturing and then the market launch is done for the lift magnets. All the lift magnets should meet the standards as laid out.
Generally, the standard combines the Manually operated (Permanent) lifting magnets with battery operated (Electro) magnetic lifters and the subject of test loads are based on the actual “electromagnetic” principle with a safety factor of 2:1, with slight consideration for the difference of air-gap performance between the two technologies, which is the cause of the grave worry.
The problem has been solved to a specific extent by some manufacturers, adopting a minimum 3:1 safety factor but most of the magnetic lifter manufacturers still follow the ASME standard for Test load. Although the industry identifies the inadequacy of the standard, but not all manufacturers share the same worries for safety.
It should be realized by the user that the performance of a lifting magnet changes with the features of the load. Without considering the implementation variables, the surface condition, the materials and geometry are all major aspects with lifting.
Lifting magnets save time by lessening and sometimes eradicating slinging and blocking. They can also eradicate or lessen waste. The lessen product range damage commonly caused by hooks, chains and other mechanical grabs. However, the substantial benefits of lifting magnets are simplicity of operation and cost-efficiencies.
A furnace sintering heater works on the principle of conversion of one type of energy into other. It converts electrical energy into heat energy and works on the principle of Joule heating impact. Electric current passing through the element is made to face resistance which leads to the heating of the elements involved.