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Magnetic assemblies are components or devices or systems that combine magnetic & non-magnetic materials with the aim of high magnetic field and cost reduction. Magnetic assembly is used for a huge variety of applications including precast, automation, holding, green energy, tools, etc.
The maximum energy product of a magnet is measured in Mega Gauss Oersteds (MGOe). This is the primary indicator of a magnets 'strength'. In general, the higher the maximum energy product value, the greater the magnetic field the magnet will generate in a particular application.
Types of Magnets. The three types of magnets are temporary, permanent, and electromagnets. Magnets are categorized by their source of magnetism. Temporary magnets become magnetized in the presence of a magnetic field.
Sintered NdFeB magnets will remain magnetized indefinitely. They experience a minuscule reduction in flux density over time. As long as their physical properties remain intact, neodymium magnets will likely lose less than1% of their flux density over 100 years.
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.
The strongest permanent magnets in the world are neodymium (NdFeb) magnets, they are made from magnetic material made from an alloy of neodymium, iron and boron to form the Nd2Fe14B structure.
Cup Magnets. 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.
Rubber coated Neodymium magnets give great durability and high friction. The rubber coating acts as a protection for the Neodymium Magnet inside against chipping and exposure to liquids. Rubber coated neodymium magnets are used in many holding applications especially when it is on a delicate surface.
As the magnet is completely covered by rubber coating, the magnets are water-proof as well as incredibly resistant to damage., also the magnet is very durable and will not easily break like a normal magnet. Rubber coated neodymium magnets give great durability and high friction to keep them from slipping on surfaces.
A deep pot magnet is a magnet system. The magnet is housed in a cylindrical housing, which is usually made of galvanized steel or the copper-zinc alloy brass.
The application possibilities for deep pot magnets are very diverse: Crafts / Industry / Semiconductor Technology / Warehousing / Office / School / Research.
In addition to commercial applications, the magnet systems also serve as a practical aid in the private sector for attaching or fixing objects. The deep pot magnet systems are, however, optimized for use as industrial magnets and are preferably used in mechanical engineering or tool construction.
When installing the deep pot magnets make sure that it is directly surrounded by iron. In this case, the adhesive force is reduced by up to 15 percent. It does not matter whether the casing is galvanized or brass. A minimum distance of several millimeters between the housing and the surrounding iron solves this problem. The specifically recommended distance varies but is usually specified by the manufacturers. The adhesive force can also decrease if the magnets are used on uneven, painted, or thin surfaces.
Channel Magnetic Assemblies are created using ceramic magnets clad in a steel channel. ... The maximum increase in power is obtained when magnets are sandwiched between two plates. For example, A 0.187" thick x 0.750" wide x 1" long rubber magnet has 4 oz. of pull strength.
• Door latches
• Vehicle license plate holders
• Blueprint holders
• Sign and banner holders
Channel assemblies are up to 32 times stronger than ceramic magnets by themselves. Pull strength is tested on a flat steel plate 3/8 inch thick. The pull may vary depending on the surface it is attracted to, for example, if the steel is coated, rough or rusty. We recommend that you obtain a sample to test and confirm the actual pull / holding capability when used in your application.
The channel magnets are embedded in a U-shaped steel profile. The steel reinforces the adhesive force of the magnet if the magnet touches a thick iron surface directly. If there is no direct contact with the counterpart or when the iron sheet is thin, painted or rough, the magnet's adhesive force is much weaker.
It consists of a NdFeB magnet unit and a steel casing that forms a certain designed magnetic circuit. By pressing the button on top of the steel casing, this magnetic force is activated so that this magnet can fasten the formwork to the steel table tightly.
These permanent holding magnets can be used to hold steel panels, beams, fences and molds in place.
Shuttering magnets have a high holding force. To achieve this, good contact with the surface is necessary, since even a small air gap will reduce the holding force.
Size-conscious design.
Low weight, however, strong attractive force.
Time-saving to organize and customize a production process.
Cost-saving on the removal of the form.
The owners of such systems easily can customize as a magnetic formwork system allows producing concrete products of any shape. The system allows considerably saving time and cost for setting up, maintenance, and production performance. Magnetic systems are easy to organize and customize the production of the concrete products in case of necessity to make any changes to the project. In addition, the problem of concrete inserts fixing, blockout and bevel modeling are solved due to the system capabilities.
To use a through-hole pot magnet, a bolt needs to be placed through the hole until the head touches the top of the steel shell, with the magnetic face pointing outwards away from the ferromagnetic surface. The bolt is then attached to the ferromagnetic material with a nut to hold it securely in position.
Pot Magnet with External Threaded Stud / Boss Mounting
Pot Magnet with Internal Threaded Mounting (Deep Pot)
Pot Magnet with Countersunk Mounting (Shallow Pot)
Pot Magnet with Through Hole Mounting
Pot Magnet with Internal Threaded Stud / Boss Mounting
Pot Magnet with Threaded Through Hole Mounting
Rubber Coated Magnetic Pots
Round Base Magnet
Magnetism is confined to one face only, where it is concentrated to give the maximum holding force possible for the size of the magnet. They are more resistant to chipping and cracking as they are protected by their steel shell.
A threaded bolt with an internal thread is fixed on the pot, which makes it easy when you need to mount the pot magnet onto some other parts. The size of the thread can be customized.
Internally threaded stud pot magnets can be used as part of a light fitting for magnetic downlight. The magnet is attached to the end of the light to hold it onto the metal in a ceiling.
The magnetic core of pot magnets is made of magnets that have a centered borehole and countersink which makes it possible to screw them firmly.
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