Working Principles Of Permanent Lifting Magnets

Working Principles Of Permanent Lifting Magnets

Working Principles Of Permanent Lifting Magnets (1)

Permanent lifting magnets are made up of magnetic materials and steel parts that create a path along which the magnetic flux travels from magnetic materials to the ferromagnetic load to be lifted.

The permanent lifting magnets of the NL-B series are constructed with high-grade Neodymium magnets and mild steel in order to achieve high magnetic strength and compact sizes.

The permanent lifting magnet NL-B has two magnetic sources, one in the main body and the other in the rotor. If the two magnetic sources are in the same magnetic direction, the magnetic flux under the poles of the magnetic projection increases to a ferromagnetic load. On the other side, when the two magnetic sources are in opposite magnetic directions, they suck up each other’s energy. Moreover, no magnetic flux can be extracted from the lifting magnet. In the meantime, the lifting magnet is not attracted to the load being lifted.

By turning the handle of the magnet, the magnetic direction of the magnetic source in the rotor to attract and release the load can be adjusted.

What Are The Benefits of Permanent Lifting Magnets?

  • Permanent magnets use magnet materials as magnetic sources and do not need any external power supply.
  • They can be found anywhere in the world.
  • Permanent magnets are made of magnetic materials and only steel parts, so they are durable and require little maintenance.
  • Permanent magnets can be powered simply by hand. The operation of permanent magnets is effortless.
  • The cost of permanent lifting magnets is the lowest of all types of lifting magnets.

What Are The Drawbacks of Permanent Lifting Magnets?

The magnetic field of the poles from the lifting magnets is weak relative to the electro lifting magnets. As a result, the lifting power of the permanent magnets decreases dramatically as the air distance between the magnets and the loads to be lifted increases. Any ashes, debris, paint and rust add to the air gap.

There are two restrictions on the thickness of the load

The real lifting capacity would be less than the rated capacity if the load thickness is less than the maximum. The second constraint is to rotate the handle. If the thickness of the load is less than this constraint, you can not turn the handle.

The greater the lifting power of permanent magnets, the more difficult it is to turn the handle from OFF to ON position. The average power of permanent magnets should be 2,000 kg (4,400 lbs) over which it is difficult to turn the handle from OFF to ON. (Some manufacturers produce permanent lifting magnets with a lifting capacity of more than 2,000 kg. However, these large lifting magnets are not easy to turn.) Permanent lifting magnets are powered manually and can not be controlled from a distance. They are not used in the atomization framework.

permanent lifting magnets

Camlok TPM Permanent Lifting Magnets

TPM permanent magnets are perfect devices for moving heavy objects of ferromagnetic material safely, rapidly and economically. Workshops or workshops, equipment loading and downloading as well as building jigs and tools are common working areas.

We hope you found this quick guide to the working principles of permanent lifting magnets useful. You can take a look at our lifting magnets by clicking here. 

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