Laser wire stripping system works for Volkswagen Electric Motor production line

Bridgend, Wales - A highly automated state-of-the-art production line has been designed and developed for Volkswagen by Aumann GmbH, specialists in industrial automation and coil winding systems. In light of Volkswagen’s requirements for the highest quality technology for each stage of the line, Aumann (Espelkamp, Germany) approached Spectrum Technologies, who produces SIENNA infrared laser wire stripping systems for use in precision electronics manufacturing applications, to supply a laser-based enamel stripping system for the magnet wire coils used in the stators for the gear box for the automotive manufacturer’s latest range of electric engines. 

The SIENNA 900, a new modular laser system, was delivered and installed at Volkswagen’s Kassel manufacturing plant in March, where Aumann continues to undertake the final commissioning of the overall system. Volkswagen had also previously ordered and taken delivery of a SIENNA 800 Duo laser wire stripping system to support development of their electric motor and the ramp-up of the new production line.

SIENNA 900 is a new laser system that employs Spectrum’s innovative, patented laser magnet wire stripping technology for the rapid and clean removal of hard enamel insulations from magnet wire used in wound electrical components, such as alternators, motors, and transformers. This system is designed for integration into custom production lines for medium- to high- volume manufacturing applications, as it provides a safe, reliable, and easy-to-use industrial package configured to meet customers’ individual applications and throughput requirements.

Spectrum’s wire stripping technology can process a wide range of materials and wire shapes and sizes, enabling high-speed, accurate, and selective stripping of enamel insulation from the magnet wire. It also removes the oxide layer, leaving the conductor surface ready for electrical bonding without the need for further cleaning—but does not cause work hardening. A further benefit is that there are no consumable materials required.

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