The manufacture of anisotropic radially magnetised arcs and rings is significantly different to the production of diametrically magnetised rings and arcs. Radially aligned and magnetised anisotropic arcs and rings are only possible in fully dense sintered NdFeB and need a dedicated press tool and magnetising fixture and have a limited physical envelope (Max OD 85mm).…

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Bunting is capable of supplying almost any shape and size of a permanent magnet, but one of the most popular shapes is the arc. Arc magnets are used in a wide range of magnet assemblies, but in particular, surface mounted electric machines. There are four main types of arc magnets and these are: Each arc-type…

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An international Oil and Gas company turned to Bunting when investigating designs for a novel magnetic system to act as a pressure relief valve. The Pot Magnet assembly design requirements were complex with a number of significant technical challenges. The initial design evaluation identified that the bespoke magnet assembly would be based on a simple…

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Mining the Urban Environment The anticipated global increase in production and consumption of electronic goods and electric vehicles puts a huge strain on raw material reserves. Subsequently, the focus has turned from mining raw materials to reclaiming, reusing and recycling secondary materials. This is known as ‘Mining the Urban Environment’. Magnets and Magnetisers at Cenex…

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Multipole Magnetic Rotor

Bunting has secured an order for the supply of 300 multi-pole Samarium Cobalt (SmCo) magnetic rotors annually to a prominent aerospace customer. The magnetic rotor order was placed at the end of 2019 with deliveries starting in 2020 and running for 10 years. The Bunting engineering team has worked with this aerospace customer for a…

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IWM

Matthew Swallow, Bunting’s Technical Products Manager, reports on the UK Magnetics Society’s 32nd Ewing Conference held at the Imperial War Museum in Duxford in December 2019. A Review of The 32nd Ewing Conference “The UK Magnetics Society’s Ewing conference has evolved over the last 30 years from a single Key Note address and a social gathering…

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Waste and recycling electrics

The launch of the European Union (EU)-funded SUSMAGPRO project took place in Germany in June 2019.  The four-year project focuses on the sustainable recovery, re-processing, and reuse of rare-earth magnets.  With global expertise on magnets and magnetic assemblies, Bunting is one of several project partners. “Rare-earth magnets are a key component in many frequently used…

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Bunting at Cenex LCV 19

Cenex-LCV is the UK’s premier low carbon vehicle event and the 2019 show was held at Millbrook in Bedfordshire, UK (4-5 September 2019).  After exhibiting at the event for the second consecutive year, Matthew Swallow, our Technical Product Manager for Magnetic Assemblies reviews the event. Bunting’s Stand At Cenex LCV 2019 “For Bunting, the Cenex-LCV event…

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Hybrid Electric Vehicle

Grain Boundary Diffused Neodymium Magnets, Magnetisers and Magnet Setters are the focus for Bunting on stand C109 at this year’s Cenex LCV show (4th – 5th September, Millbrook, Bedfordshire, UK). Cenex-LCV is the UK’s premier low carbon vehicle event.  The show features an extensive seminar programme and the opportunity to ride & drive the latest…

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Apollo_11

2019 marks the 50th anniversary of when mankind first stepped onto the surface of the moon.  However, not many people know that this momentous achievement would not have been possible without magnets.  In this article, we review the important role of magnets in space. The guidance and navigation system computers for the Apollo 11 spacecraft…

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