Tengam Engineering, Incorporated is a manufacturer of specialized, injection molded bonded ferrite and injection molded bonded neodymium magnets and molded magnetic assemblies. We are dedicated to providing a high quality product to users of bonded magnets. We offer a solid base of knowledge to help determine the best design and material to efficiently meet their needs. We also recognize the importance in part design by integrating engineered thermoplastics into molded magnetic assemblies. [ more ... ]

Groundbreaking Process Techniques
are used to Replace Sintered Ferrite Magnet Arcs

Design engineers at Tengam Engineering, Inc. have developed injection molding techniques that allow injection molded magnet material to be more effective when used as a replacement for sintered ferrite or NdFeB magnet arcs. This process will allow the injection molded magnet industry to be expanded.

Weight loss reductions for the magnets have been estimated to be as much as 60% while keeping magnetic requirements at the same level as sintered ferrite. Magnet assemblies have proven to be reduced by 45% but could also go as high as 60%. Assembly processes, which are somewhat typical within the motor industry, can be reduced by significant amounts when multiple molding operations are incorporated into the process and air gaps can easily be reduced to .020" (.5mm) with gaps between magnet arcs completely eliminated.

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