Compression Bonded Neodymium Magnets


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EA Magnetics - Compressed Bonded Neodymium Magnet Information

EA Magnetics - Product Information COMPRESSION BONDED NEODYMIUM
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Compression Bonded Neodymium
+	High Magnetic Strength	+	Good Chemical Resistance
+	Tight Tolerances Possible	-	Susceptible to Surface Oxidation
+	Good Mechanical Strength	-	Lower Temperature Resistance
+	Lower Tooling Costs

	EAM Compression Bonded Magnets —
		Neodymium magnets can be manufactured in several ways, and one of the most innovative is the process of compression bonding. Compression bonding is a die-pressing process that involves mixing neodymium powder with an epoxy binder and pressing high-density parts that are then oven-cured. Compression bonding results in magnets that exhibit higher energy products (more than 10 MGOe) than those made by injection molding; however they are limited to more basic shapes due to the nature of the die-pressing process. Compression bonded neodymium magnets are ideal for applications requiring tight tolerances and high magnetic strength. They are isotropic – so they may be magnetized in any direction – and the epoxy binder allows bonded magnets to be resistant to most industrial automotive fluids and solvents. Compression bonded magnets exhibit good mechanical strength. Tooling costs are generally lower than they are for injection molded parts. Bonded magnets have an operating temperature range from -40˚C to 165˚C.

	By blending different grades of neodymium material, it is possible to create magnets with very specific and unique magnetic characteristics. Due to the level of surface porosity, compression bonded neodymium magnets should be coated in order to prevent them from oxidizing. EA Magnetics offers a variety of coating and plating options, and our engineering department will be happy to recommend one for your specific application. See a comparison of the relative strengths of magnetic materials EAM’s knowledgeable product development team will assist you in choosing the optimal combination of binder and magnet material for your specific application.

EA Magnetics supplies magnets and magnetic assemblies to OEMs in all types of industries. Alnico, bonded ferrite, ceramic magnets, flexible magnets and magnet components for electronics and actuating devices. Our manufacturing capabilities include advanced magnetic modeling and characterization software to provide optimal support and engineering for sintered rare earth magnets, injection molded magnetic assemblies, rare earth magnets, samarium cobalt magnets, and technical magnets for all requirements.

Eneflux Armtek Magnetics, Inc - 700 Hicksville Road - Unit 110 - Bethpage, NY 11714-3496 USA
Toll-Free (800) 2ARMTEK - (800) 227-6835 - Tel: (215) 504-1000 - Fax: (215) 504-1001 · info@EAMagnetics.com

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