Motors without Rare Magnets: What are the Options? (Part One)

Lower-cost motor technologies exist that can be an attractive alternative to neo-based BL PM motors – and are not subject to unpredictable supply chains

By George Holling

Almost no day passes without a major news article that discusses the very real possibility that China may use its rare earth supply as a weapon in the ongoing trade war.

Neodymium and related rare-earth materials are key elements in the manufacture of powerful magnets that are used in many products — from consumer electronics, medical equipment, and automotive components to military weapons. Thus, any disruption of the supply of rare earth commodities will have a far-reaching impact on our lives.

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Power Transmission Technology Update November 19, 2019
Motors without Rare Magnets: What are the Options? (Part One) *Lower-cost motor technologies exist that can be an attractive alternative to neo-based BL PM motors – and are not subject to unpredictable supply chains* By George Holling Almost no day passes without a major news article that discusses the very real possibility that China may use its rare earth supply as a weapon in the ongoing trade war. Neodymium and related rare-earth materials are key elements in the manufacture of powerful magnets that are used in many products — from consumer electronics, medical equipment, and automotive components to military weapons. Thus, any disruption of the supply of rare earth commodities will have a far-reaching impact on our lives. Read More
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