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Performance Assessment of High-speed Flux-switching Permanent…

This article presents the investigation and comparison of the capabilities and characteristics of high-speed flux-switching permanent magnet machines using ferrite and rare earth permanent magnet materials. Special design considerations for ferrite flux-switching permanent magnet machines under high-speed operation...

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Rare-earth magnet - Wikipedia

Rare-earth magnets are strong permanent magnets made from alloys of rare-earth elements Developed in the 1970s and 1980s, rare-earth magnets are the strongest type of permanent magnets made, producing significantly stronger magnetic fields than other types such as ferrite or alnico magnets. The magnetic field...

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Investigation of design methodology for…

This study presents a design methodology for a newly emerged switched-flux memory machine with low-cost non-rare-earth. The adoption of aluminium–nickel–cobalt magnet with low-coercive force enables the flexible air-gap flux control without unnecessary excitation loss. Hence, the excellent flux variability and...

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A Magnet Machine - YouTube

1 May 2011 ... This machine manipulates small spherical rare earth magnets, slicing one at a time from the end of a long chain, moving it around a bit, then dropping it bac...

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Machines | Free Full-Text | A Complete Design of a Rare…

16 May 2014 ... The price of rare-earth metals used in neodymium-iron-boron (NdFeB) permanent magnets (PMs) has fluctuated greatly recently. Replacing the NdFeB PMs with more abundant ferrite PMs will avoid the cost insecurity and insecurity of supply. Ferrite PMs have lower performance than NdFeB PMs and for...

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Rare Earths: Elemental Needs of the Clean-Energy Economy…

13 Oct 2010 ... The stronger the magnets are, the more powerful the generator—and rare earth elements such as neodymium form the basis for the most powerful ... audio speakers and microphones, cell phones, MRI machines, telecommunications, battery electrodes, advanced weapons systems, polished glass, and...

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Design, Optimization, Construction and Test of… pdf

Design, Optimization, Construction and Test of Rare-Earth. Permanent-Magnet Electrical Machines with New Topology for Wind Energy Applications. Vorgelegt von. M.Sc. Mohammad S. Widyan von der Fakultät IV –Elektrotechnik und Informatik der Technischen Universität Berlin zur Erlangung des akademischen Grades.

"Developments of Rare-Earth-Free-Motors for… pdf

Rare earth PMs. Cross section of HEV IPM motor. Torque 400Nm. Power 50kW. Outer Dia. 269mm. Axial length 154mm. High power and torque for volume. ... Test machine. 7. A competitive SRM has been designed with respect to the. IPMSM employed in 2nd generation HEV. To achieve high torque density and efficiency,...

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Xtractor Rare Earth Coolant Cleaner | CTE…

Demands for higher production rates and closer tolerances at lower costs spurred the development of state-of-the-art Eriez Coolant Cleaners. These Coolant Cleaners keep machine tools running longer and more accurately, with lower costs per unit produced. Eriez Magnetic Coolant Cleaners are for use with surface...

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Magnetic Separator | Surface Grinding Machines| Pune -…

This extraordinary Magentic Separator uses rare-earth magnets to provide upto 8 times the magnetic force of conventional ferrite magnets. FEATURES: No consumables required. Dry cake discharge; Excellent efficacy even for separating materials having weak magnetic properties, such as, carbide and scale. Superior...

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Electrical Machines Low Energy Manufacturing pdf

Centre for Advanced. Electrical Drives. Part of the Power Electronics, Drives and Machines Group. EV eMotors without Rare. Earth. Materials. James Widmer [email protected]

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The Rare-Earth Crisis - MIT Technology…

19 Apr 2011 ... On the eastern edge of the Mojave Desert, an hour's drive southwest of Las Vegas in Mountain Pass, California, lies a 1.4-billion-year-old deposit of cerium, neodymium, and other metals that is the richest source of rare-earth elements in the United States. Beside hills populated by cacti, Joshua trees, and...

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Next Generation Voltec Electric Machines; Design and…

14 Apr 2015 ... The second generation of Volt brings a significant mass reduction and increased performance, EV driving range and fuel economy while simultaneously reducing rare earth content in its traction electric motors.The electric propulsion system is built on two electric machines; both PMAC topology.

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Optimal design of synchronous reluctance machine | A…

Optimal design of synchronous reluctance machine : A feasible solution to eliminating rare earth permanent magnets for vehicle traction applications. Article Options and Tools...

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Prospects for Non-Rare Earth Permanent Magnets for…

With the advent of high-flux density permanent magnets based on rare earth elements such as neodymium (Nd) in the 1980s, permanent magnet-based electric machines had a clear performance and cost advantage over induction machines when weight and size were factors such as in hybrid electric vehicles and wind...

On-the-fly machine-learning for high-throughput…

15 Sep 2014 ... We have shown the use of the MST machine learning algorithm for on-the-fly analysis of x-ray diffraction and composition data toward the discovery of a novel rare-earth-free permanent magnet. While the MST method was found to be resilient to noise in the data, specifically diffraction pattern noise, further...

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Interior PM machines using Ferrite to substitute…

Since the cost of rare-earth permanent magnet (PM), such as NdFeB and SmCo, is more and more increasing, there is a great interest in designing PM machines.

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Next Generation Voltec Electric Machines; Design and ...… pdf

14 Apr 2015 ... HEV traction application, but it suffices to say that PMAC machines have set a high bar in terms of performance to size and weight ratio. Next Generation Voltec Electric Machines; Design and Optimization for. Performance and Rare-Earth Mitigation. Sinisa Jurkovic, Khwaja Rahman, Nitin Patel, and Peter...

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Our Magnets Are Everywhere! | Shin-Etsu Rare Earth…

Washers and dryers. Rare earth magnets are used in the motors that turn drum type washers and dryers. Rare earth magnets help reduce the vibration and noise of washing machines. Washers and dryers. Back to Top...

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Health Care - Rare Earth Technology Alliance

Previously, MRI machines used coils of electric wire, cooled in helium, as magnets. But with new MRI systems powered by rare earth magnets, they are now lighter and strong enough to provide an alternative to the older, costly technologies. MRI machines that use rare earth magnets can also be made wider than the older...

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Applications of rare-earth permanent magnets in… pdf

Applications of rare-earth permanent magnets in electrical machines: from motors for niche applications to hybrid electric vehicles. S. J. Collocott, J. B. Dunlop, P. B. Gwan, B. A. Kalan, H. C. Lovatt, W. Wu,. CSIRO Division of Telecommunications and Industrial Physics,. Lindfield, NSW, Australia 2070 and. P. A. Watterson.

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Rare Earth Elements - Pictures, More From National…

Rare earths are also essential to a host of green machines, including hybrid cars and wind turbines. The battery in a single Toyota Prius contains more than 20 pounds of the rare earth element lanthanum; the magnet in a large wind turbine may contain 500 pounds or more of neodymium. The U.S. military needs rare earths...

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Careers - Electron Energy Corporation

Ring Cell Operator The Ring Cell Operator machines rare earth magnet material to specified dimensions to meet customer requirements. Full-time; 1st shift: Monday through Friday, 6:30 a.m. to 3:00 p.m.; 2nd shift: Monday through Thursday, 3:00 p.m. to 1:30 a.m.; 3rd shift: Monday through Thursday, 8:00 p.m. to 6:30 a.m....

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John Deere Displaying World's First Walking Forest…

27 Apr 2012 ... We are fans of robots here at MetalMiner. From the nimble small ones to the sizeable giants, we appreciate the skill – and metal – it takes to create these sci-fi creatures. That being said, when we stumbled upon this blast-from-the-past machine from John Deere, we were a little excited: Source: Deere.com.

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3D-Printed Magnets Use Recycled Rare-Earth ... -…

7 Jun 2017 ... In a paper published in Scientific Reports, scientists at Oak Ridge National Labs present 3D printed permanent isotropic magnets that use rare earth metals recycled from computer hard drives. The production methods have been non-exclusively licensed to Momentum Technologies for further development...

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120V LED Linear Machine Light – 19″ OAL – Mounting Feet with…

120V LED Linear Machine Light – 19″ OAL – Mounting Feet with (4) Integrated Rare-earth Neodymium Magnets. $1,149.50. Quantity. Add to cart. SKU: OCLED1936-2-120V Category: Lighting & Magnifiers Tags: led, light, machine. Description; Reviews (0)...

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Rare Earth Mining News and Commentary |…

Rare Earth mining news. Explore related Rare Earth articles for more information on the Rare Earth mining industry.

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O.C. White Co. - 24v DC LED Linear Machine Light - 19"…

24v DC LED Linear Machine Light - 19" OAL - Mounting Feet with (4) Integrated Rare-earth Neodymium Magnets. Be the first to review this product. $549.00. SKU: LED-1936-24V. Availability: In stock...

Rare earth mineral superfine grinding…

26 May 2017 ... A rare earth mineral is a mineral that contains one or more rare earth elements as major metal constituents. Rare earth minerals are usually found in association with alkaline to peralkaline igneous complexes, in pegmatites associated with alkaline magmas and in or associated with carbonatite intrusives.

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The Future of Technology Is Hiding on the Ocean Floor -…

5 Apr 2016 ... Some minerals, like the bastnäsite found in the only rare earth mine in the US, can contain up to a few percent rare earth oxides. ... MRI machines. Nuclear control rods. Camera lenses. Superconductors. Rare earths are essential to such a bevy of technologies that a shortage would, according to the Natural...

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SPIE Professional: Rare Earth Element Conundrum

Rare-earth elements are metals (see list below) used primarily by manufacturers in China, Japan, and the United States. They are crucial ingredients for advanced military equipment such as night-vision goggles; offshore wind turbines, hybrid cars, and other green machines; as well as cigarette lighters, X-ray screens, and...

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Rotor shaping technologies for permanent magnet electrical…

6 Jul 2017 ... Optimum Injected Harmonics Into Magnet Shape in Multiphase Surface-Mounted PM Machine for Maximum Output Torque.IEEE Transactions on Industrial Electronics, 64(6), 4434-4443. Hogberg, T. S. Pedersen, B. B. Jensen, N. Mijatovic, J. Holboll, "Direct Reuse of Rare Earth Permanent Magnets -Wind...

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Magnetizer Machine, Magnetizer Machine…

And whether magnetizer machine is rare earth magnet, ndfeb magnet, or neodymium magnet. There are 113,580 magnetizer machine suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Japan, which supply 99%, 1%, and 1% of magnetizer machine respectively. Magnetizer...

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UD 9FZ 35 big output convenient gypsum, lead powder, flour,…

Cheap machine machine, Buy Quality powder powder directly from China machine grinder Suppliers: UD 9FZ-35 big output convenient gypsum, lead powder, flour, rare earth self-priming grinder machine(without motor)

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Rare earths and wind turbines: A problem that doesn't…

31 May 2017 ... Both kinds of magnet-free machines can do everything required not only in electric cars but also in wind turbines, functions often claimed to be impossible without tons of neodymium. That some wind turbines and manufacturers use rare-earth permanent-magnet generators does not mean others must.

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Interior permanent magnet machines with rare earth and…

This paper proposes a novel interior permanent magnet machine (IPMM) design in which the rotor employs U-shape magnet cavities filled with both rare earth.

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The Mathey Dearman Mini-MAG XM & MagnaCUT XM are magnetic… pdf

The Mathey Dearman Mini-MAG XM & MagnaCUT XM are magnetic cutting machines that utilize rare earth magnets to hold the machine to the material with an astounding 300lbs (136kg) of magnetic force. They are designed for cutting thicker pipe coatings and heavier wall thicknesses and may be used for welding...

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Performance Evaluation of a Permanent Magnet -… pdf

13 Jan 2017 ... Abstract: In this paper, a novel permanent magnet-assisted synchronous reluctance machine. (PMASynRM) with rare-earth PMs and ferrite magnets is proposed. The performance of. PMASynRM is discussed with respected to the different magnet ratio of rare-earth PMs and ferrite magnets.

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REE - Rare Earth Elements - Metals, Minerals, Mining,…

Rare Earth Elements (REE) are becoming increasingly important in electronic devices used in the defense, alternative energy, and communications industries. Minable deposits of REEs are found in only a few locations.

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Electric vehicle traction motors without rare earth…

7) which suggests that NdFeB magnets may be, per unit mass, more damaging than other materials commonly used in electrical machines. If the breakdown of materials is estimated for a representative rare earth permanent magnet electric traction motor, it can be calculated that the NdFeB magnets may be responsible for...

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