Product code: 23006
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This rare earth ring magnet has an outside diameter of 19mm, an inside diameter of 6mm and a height or thickness of 10mm. It is identified by the AMF magnet part number 23006.
Neodymium Rings can be considered as Disc magnets with a hole. Although the missing material from the void reduces their magnetic strength, this area also facilitates simple fixing methods such as cable-ties or rope and makes the Ring shape a very versatile one for temporary attachment purposes or to make non-metallic materials attach to steel structures. This can include cloth materials or padding that have Ring Magnets sewn or stitched inside them and that makes them magnetic for convenient display options or for attaching protective coverings or insulation. Ring magnets also have useful qualities that allow them to be lodged on spools or rods that position them correctly and allow them to react with metallic material or electromagnetic fields. They can then provide valuable information used to activate switches or valves in sophisticated manufacturing processes.
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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
