Horizon Technology discusses the use of PM stators in electric motors

November 4, 2020

SMC stator for an electric motor design (Courtesy Horizon Technology)

In a recent blog post, Horizon Technology, St. Mary’s, Pennsylvania, USA, highlighted the use of Powder Metallurgy Soft Magnetic Composites (SMCs) in the production of electric motors.

Comparing both electrical steel laminations and SMC methods, Horizon stated that while both have their benefits, they also have some problems, including core losses, shape-making limitations, and overheating.

The author discussed the above issues, and showed how SMCs can overcome some of these challenges. In addition to the net-shaping qualities, heat reduction, and reduced core losses possible with SMCs, Horizon Technology states that there are further benefits, including:

  • Weight reduction – The shape-making capabilities of SMCs in powder metal can decrease individual part weight, opening up the potential to reduce the overall weight of an electric motor assembly.
  • Simple design – Innovative electric motor stator design coupled with SMC components simplifies the stator winding scheme and, in turn, the winding machines.
  • Reduced copper loading – Using a simpler winding scheme will reduce the amount of copper used for the stator and maximise the electric circuit.

SMC materials are said to offer a cost-efficient way to expand electrification methods, making e-transport and micromobility more affordable for the end customer.

Read the full blog post.

www.horizontechnology.biz

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Powder Metallurgy: The original net-shape production process

Powder Metallurgy components are relied upon by a wide variety of manufacturing industries, from automotive to power tools, household appliances, chemical engineering, filtration and more.

The main reason for the technology’s success is its cost-effectiveness at producing high volumes of net-shape components, combined with its ability to allow the manufacture of products that, because of the production processes, simply cannot be manufactured by other methods.

To discover more about how the technology has revolutionised component production, browse our Introduction to Powder Metallurgy.

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