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Laser manufacturing of electrical machines

: Siebert, René; Baumann, Robert; Beyer, Eckhard; Herwig, Patrick; Wetzig, Andreas


Institute of Electrical and Electronics Engineers -IEEE-; Verband Deutscher Maschinen- und Anlagenbau e.V. -VDMA-, Frankfurt/Main:
4th International Electric Drives Production Conference, EDPC 2014 : 30.09. – 01.10.2014, Nuremberg, Germany
Piscataway, NJ: IEEE, 2014
ISBN: 978-1-4799-5008-9
ISBN: 978-1-4799-5009-6
ISBN: 978-1-4799-5010-2
International Electric Drives Production Conference (EDPC) <4, 2014, Nuremberg>
Conference Paper
Fraunhofer IWS ()
burr removal; laser after treatment; laser remote cutting; Magnetic properties

Laser remote cutting for electrical machine application and a new surface treatment method in order to heal manufacturing related magnetic degradation will be presented and discussed. In comparison to the state of the art laser remote cutting utilizes a brilliant high power solid-state laser producing less thermal and magnetic degradation in the processed part. A process integrated surface treatment additionally reduces the manufacturing related magnetic degradation by up to ten percent. Matter under consideration will be the control of cycle time of exemplary stator tooth geometry as well as the magnetic properties in comparison to conventional techniques.