Product code: 22005C
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This Rectangular Block Magnet has a length of 50mm, a width of 10mm and a height of 6mm. This magnet has a pull force of 12.60 kgs against 5 mm mild steel. It has a Nickel (NiCuNi) coating. It is identified by AMF Part Number 22005C.
Neodymium Block magnets instinct to bond and release at threshold pressure, or quit the grip force, defines them as virtual ‘torque limiters’ or an ‘overload clutch’. These failsafe mechanisms are installed to protect machinery or products in crash stops and jams, protecting the device from serious failure. Once the excessive force event has been addressed, the magnetic instinct is to re-engage, to its original position, as if for the first time, renewed. Neodymium block magnets are compatible with most materials, but this is especially true of plastics.
This is an excellent all-purpose rectangular Neodymium magnet which can be used when a reasonable amount of force is required. Applications include water purification, commercial door holders and for general, engineering and industrial uses.
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NB: Ranges are indicative for product category, please check individual products for specic values within that range.
The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.
Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.
Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.
The Pull Force listed for each magnet is based on lifting 10mm thick steel from a horizontal surface. Magnets on a vertical surface (of 10mm thick steel) are generally able to hold around only 30% of the pull force listed in the product description. This is due to the effects of gravity and the lack of friction between the surface and the shiny magnet. Read More
