Disc
Disc magnets are one of the most universally utilised magnet shapes and we stock both Ferrite and Neodymium magnets in this shape. Rare Earth disc magnets are particularly popular as they come in a multitude of dimensions and varying grades allowing customers to choose exactly the right magnet for their purposes. Buy disc magnets online with ease, simply add them to your cart and for large quantities a bulk discount will automatically be applied. Disc magnets are characterised by their circular shape and low profile. Indeed a disc magnet has a thickness less than the diameter, whereas it is considered a Cylinder magnet when the thickness exceeds the diameter measurement.
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Small disc magnets can be found in all manner of household appliances and electronic products. The tiny Neodymium disc magnets are a component in speakers, microwaves, cordless power tools and countless other everyday items. The magnetic power produced by even the smallest rare earth magnet is phenomenal and far exceeds what is produced by other types of magnets such as Ferrite or Alnico.
Popular with craftspeople, Neodymium disc magnets are a fuss free permanent means of attaching two parts together. The ability to remove and replace the magnet makes them perfectly suited to closing mechanisms that need to be at once reliable and removable. Woodworks and carpenters were amongst the first to understand and harness the benefits of using craft magnetic discs in their creations. Leather and apparel designers have also harnessed the humble rare earth disc magnet, with the vast majority of handbags, phone cases and laptop bags utilising magnetic discs as their closure mechanism.
Neodymium magnets have grown in popularity since their development and introduction to the market in the 1980s. However we also stock a number of Ferrite disc magnets, also referred to as ceramic disc magnets. Although weaker in magnetic power than Neodymium magnets, they are well suited to a number of applications. They have superior resilience to heat and corrosive environments than Neodymium. These attributes ensure there are still many applications that use Ferrite disc magnets. Mechanical operations often produce high temperatures which exceed the operating range of the Neodymium magnet, however the Ferrite Magnet is able to maintain operating to its full magnetic power up to 400 degrees celsius. To compare the operating temperature of permanent magnets please take a look at our chart here or take a look at our other FAQ and Knowledge Base articles.
The flat and broad pole area produced by a disc shaped magnet is particularly well suited to holding applications. The low profile complements this as they are not easily dislodged accidental bumps. Fridge magnets are one of the most common examples of disc magnets being utilised in this way. Glued to the back of glass, ceramic, wood and card they have long had a presence in most people’s homes.
In more industrial settings, Neodymium disc magnets are often utilised in heavy duty holding apparatus. Encased in a steel cup housing the Neodymium magnet’s power is enhanced by the metal which serves to force the magnetic field to one side of the magnet. This product is called a holding pot and it incorporates either a magnetic disc or a magnetic ring. Neodymium holding pot magnets are incredibly powerful, with the largest available on our website able to hold a huge 1000kg!
FAQ
Where to buy disc magnets?
Disc magnets are a common shape of magnet and no doubt customers are able to source these magnets through Bunnings, eBay, or Amazon. However, here at AMF, we pride ourselves on our extensive range and the superior quality of magnets we supply. Unfortunately, not all magnets are made alike and there is a huge range in the quality and strength of magnets available on the market. When you purchase from AMF New Zealand you can trust you are buying quality magnets that will achieve the magnetic holding power as outlined on the product page.
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