Understanding The Hold Force Of Lifting Magnets

Passive shunting Magnets achieve their full hold force between 30mm - 80mm thick while most Active Shunting Magnets are achieving their full hold force between 9mm and 20mm. This is the range of thicknesses that are most commonly handled.

What that means is that at some thicknesses of an enormous Passive Shunting Magnet has less hold force than a small Active Shunting Magnet.

With that in mind, let's compare some costs of the two types based on lifting material from 10-40mm thick.

Note: We are not including material thickness less than 10mm as most Passive Shunting Deep Field Magnets are not rated for it.

Some takeaways from this are that using a powerful Passive Shunting Magnet on thin material is expensive and that using smaller Shallow Field Magnets on 10mm and 20mm material can be an economical option.

It's important to consider that selecting the magnet best suited to the thickness of materials you intend to handle, reduces the risk of operator error.

Contact MSA today for advice on selecting the right Lifting Magnet for your application.

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