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What is the difference between an electromagnet and an electromagnetic chuck?
published date: 2019/10/22

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Both magnets and electromagnets have magnetic properties in both magnetic fields, but the characteristics of the two products are different. The electromagnet is mainly energized to generate magnetic field magnetic energy, and the magnet itself has a magnet. The advantages and disadvantages of each magnet are different!

 

   1. Magnet: It is a natural iron ore that has been processed and sintered. It mainly contains ferrite magnets and neodymium iron boron magnets, which contain iron, cobalt and nickel. Its atomic structure is special, and the atom itself has a magnetic moment. Generally, these mineral molecules are disorderly arranged. The magnetic regions interact with each other to show no magnetic properties. The product does not have magnetic and magnetic fields during production. After the product has been processed by sintering, molding, chamfering, etc., the product needs to be magnetized.

 

   2. Electromagnet: An energizing solenoid with an iron core inside the electromagnet is called an electromagnet. When a core is inserted inside the energizing solenoid, the core is magnetized by the magnetic field of the energizing solenoid. The magnetized iron core also becomes a magnet, so that the magnetic properties of the solenoid are greatly enhanced because the two magnetic fields are superimposed on each other. In order to make the electromagnet more magnetic.

   

   In addition, the core of the electromagnet is made of soft iron and cannot be made of steel. Otherwise, once the steel is magnetized, it will remain magnetic for a long time and cannot be demagnetized, so its magnetic strength cannot be controlled by the magnitude of the current, and the advantages that the electromagnet should have are lost.

The electromagnet core is not magnetically powered by electromagnetism. The internal charged particles of the ordinary magnet are arranged neatly. The self-magnetizing electromagnet is the same as the magnet when it is energized.

 

1. The magnetic force of the electromagnet can also be changed, which is related to the number of turns of the coil and the current intensity, and the magnetic force of the magnet cannot be changed.

2. The magnetism of the electromagnet can also be changed. It is magnetically magnetic when energized. When it is not energized, there is no magnetism, and the magnet is magnetic regardless of the circumstances.

3. The magnetic pole of the electromagnet can be changed, which is determined by the positive and negative poles of the electric motor and the winding direction of the coil.

 

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