3D printing enables motor with highest power density

March 11, 2020 //By Christoph Hammerschmidt
3D printing enables motor with highest power density
In electromobility, one of the primary objectives of developers is to accommodate the most powerful engines in the smallest possible space. Two UK-based engineering companies, Equimake (Snetterton) and HiTEA (Bristol), have therefore joined forces – their goal is developing the world’s most power dense electric motor.

Codenamed Ampere, the motor planned will use additive manufacturing to make it lighter, smaller and more efficient than conventional permanent magnet motors. Targeting peak power of 220kW at 30,000rpm and a weight of less than 10kg, Ampere is aiming to be the world’s most power dense electric motor at 20 kW per kg - four times as power dense as conventional electric motors. Its pioneering use of additive manufacturing – essentially 3D metal printing – will also allow it to use the least amount of high strength alloy and magnet material, keeping cost as low possible. Applications are not only in electric cars, but likewise in aerospace and marine.


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