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Product code: 20011
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This rare earth disc has a diameter of 22mm and a height of 10mm. It has a magnetic flux reading of 4238 Gauss and a pull force of 13kg. It is identified by the AMF magnet part number 20011.
Companies supplying electricity to industry and households find plenty of uses, in a wide variety of ways, for 22mmx10mm disc magnets. Some of these companies service areas or territories measuring in the hundreds of thousands of square kilometres. They are not simply posting you a letter with some electricity enclosed for you to enjoy.
The electrical distribution network itself, not to mention the power generation plants, constitute massive infrastructure investments built to last for decades and must be constructed and maintained over all kinds of terrain and operated in all weather conditions. Magnets provide a vital and distinctly different option when considering the distribution networks design and construction needs.
The network must be a durable, safe and cost effective method of delivering this most powerful and dangerous of natural resources to your front door, where ever you are. Once constructed, the network must be maintained by highly qualified tradespeople, often working from elevated working platforms, sometimes in remote of difficult to get at locations, in nasty weather, or a combination of all three.
Magnets, often deployed as permanent components in the original network build, also offer the technicians and tradespeople an option of a different nature and kind when confronting dangerous problems in emergency situations. As a fixing, holding or fastening method magnets have characteristics and powers that are unique.
Necessity, as they say, is the mother of invention. For emergency electrical repairs in remote, lonely locations, a few well-placed magnets here and there can be the difference between success and failure. Given some of the conditions these workers are asked to perform in, that can be a very significant difference indeed.
People whose tasks require lifting and holding, safely and securely, often turn to these neodymium disc magnets. They are especially helpful in conjunction with traditional technologies like cranes, hoists and winches. Magnets lift and hold reliably and can be easily removed and quickly repositioned or adjusted for the next new task.
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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