Backlack technology for electrical steel strip slats as a topic in the presentation by Daniel Dunker at the lectern Header graphic
| Corporate & markets

WAELZHOLZ PRESENTS BONDING VARNISH AT SWD TECHNOLOGY DAY

Daniel Dunker gave a talk about current bonding varnish technology

In October 2018, Waelzholz accepted the invitation from its long-standing customer SWD to attend the company’s Technology Day in Densbüren, Switzerland. Representing Waelzholz, Rainer Dinn and Gerd Zehner from sales as well as Daniel Dunker and Norbert Brachthäuser from materials technology took part in the festivities.

The event included a series of talks on the subject of bonding varnish. Together with Dr. Lomoschitz from Axalta, Daniel Dunker spoke about the development and trends in the production of electric motors made of lamination stacks, which are bonded using bonding varnish technology. As the sole supplier of bonding varnish products, Waelzholz enables its customer SWD to quickly bond stators and stator segments, which the Swiss company does using its proprietary BPS® and EPS® technology. To ensure that the material can be processed as effectively as possible after bonding, Waelzholz coats its electrical steel strip grades extremely uniformly. Waelzholz bonding varnish bonds electrical steel strip plates without damaging the material, thereby completely preserving the key material properties of the electrical steel strip and guaranteeing undisturbed magnetic flux.

The event was rounded off with further talks on serial production, trends, and opportunities for bonding varnish technology. The lectures demonstrated that bonding varnish is already extremely suitable for serial production today and has become really cost-efficient – two aspects that need  to be expanded further. Together with its customers Waelzholz will therefore continue working intensively on current development topics such as fast bonding of electrical steep strip laminations and the use of increasingly thin layers.

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