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The strongest permanent magnets in the world are neodymium (Nd) magnets, they are magnetic material made from an alloy of neodymium, iron and boron to form the Nd2Fe14B structure.
The principle of this pot magnet is to glue one piece of solid disc magnet, either NdFeB or Ferrite, into the steel housing. Then, depending on customer's applicational requirement a cover made of stainless steel is available.
NdFeB Flat Pot Magnet
These NdFeB pot magnets are often glued at places where holding is needed, but screw is not wanted for the protection of the surface.
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Pay Attention When You Use Shallow Pot Magnet / With Steel Cover. Being flat makes it easy for these magnets to stick to each other even stronger and not easy to separate, which may bring some unexpected danger if not operated correctly. So, always wear gloves before you do anything with these pot magnets and operate with great care to avoid sudden attraction of them.
The strongest permanent magnets in the world are neodymium (Nd) magnets, they are magnetic material made from an alloy of neodymium, iron and boron to form the Nd2Fe14B structure.
Cup magnets are magnets inset into steel cups that assist in mounting and increase their holding force. They are commonly used in holding applications where they are attached to a surface with a countersunk screw.
A pot magnet is a permanent magnet encased in a steel shell, which is sometimes called a pot, hence the name 'pot' magnet. A permanent magnet emits a magnetic field without the need for any electricity. Pot magnets are often used as magnetic bases and magnetic holders for large supermarket ceiling signs.
A pot magnet works by attaching itself to ferromagnetic materials with the help of its magnetic field, or to non-ferromagnetic materials with the help of fittings (such as studs and threaded holes) on the top of its steel shell. ... The larger the pull force of the pot magnet, the more material it can attract.
Comparing with its peers that have either a through hole or countersunk hole, these flat pot magnets have even higher magnetic force because of their larger contact surface.
Filling material is used between steel pot and magnet so that dirt and dust are always kept outside of the internal structure and, subsequently, longer durability of these pot magnets can be obtained.
Not having a mounting component like a screw hole or thread bolt, the shallow pot magnet is usually used together with adhesive tape to fix itself in place with magnetic side facing outwards for holding.
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