HANNOVER MESSE 2019, 01 - 05 April
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Integrated Lightweight Plaza

Innovative technologies for the production of lightweight rotors in electromobility

Production of CFRP steel hybrid shafts and magnetic carriers made of Soft Magnetic Compound (SMC)

Location & Language

Hall 5, Stand E48

Language

German

Event Details

Type of event

Lecture

Topic

Lightweight Construction, Research & Technology

Event Host

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Description

Specific use of lightweight materials (fiber-reinforced composites, soft magnetic compounds) and a highly compact, automatically produced copper wire winding led to a weight reduction by about 20% compared to a reference motor of the same class. In particular, rotor weight was decreased, as a result of which the moment of inertia was reduced by about 15%.Weight reduction in particular resulted from the development of a process to produce CFRP-steel hybrid shafts and a two-component injection molding process for the scalable manufacture of lightweight rotor disks from soft magnetic compounds (SMC). A lightweight housing made of CFRP with an integrated modular cooling system ensures optimum cooling of the stator winding. The latter is produced by an automatic needle winding process for a high degree of filling and a small external diameter of the stator.

Speaker

  Janna Hofmann

Janna Hofmann

Group leader electromobility, Karlsruher Institut für Technologie (KIT)

M. Sc. Janna Hofmann studied mechanical engineering at the Karlsruhe Institute of Technology (KIT). Since 2015 she works as a research associate at the Institute of Production Science (wbk). There she ...

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