Neodymium Ring Magnet - OD15mm x H3mm x ID10mm | N42
Product code: R-OD15H3ID10
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Neodymium Ring Magnet - OD15mm x H3mm x ID10mm | N42
Magnetic Product Description:
This rare earth ring magnet has an outside diameter of 15mm, an inside diameter of 10mm and a thickness of 3mm. It is identified by the AMF magnet part number R-OD15H3ID10.
Uses for our rare earth ring magnets:
Neodymium magnets provide a powerful magnetic force, many times stronger than that of other magnetic materials such as Ferrite or Samarium Cobalt. Although all of these are classified as permanent magnets, Neodymium is certainly the magnet preferred in most modern day technologies due to its super strong magnetic force compared to that of the more traditional types of magnet. Mechanical operations such as manufacturing rely heavily on Rare Earth ring magnets as they facilitate the accurate seating of moving parts by guiding them into place. The void in the centre of the magnetic ring provides an easy method of attachment in many applications for a temporary or permanent strong magnetic hold.
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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.
