108 Joining technology Silence – a quality factor By Annette Löwen, Head of FAT Marketing Germany, Böllhoff Verbindungstechnik GmbH NVH development is becoming increasingly important. It is present in all industrial sectors from washing machines to vehicles, aircrafts and wind turbines. NVH stands for Noise, Vibration and Harshness. This development is about avoiding vibration and is among the quality characteristics of a product which are most frequently directly observed. Excessive noise and vibration cause problems. They can affect the performance of a product negatively if it wears out earlier as a result, shows a less efficient performance or – in extreme cases – has a shorter product life due to a mechanical failure. If you take a closer look at the vibration technology in cars, for example, you will notice that the requirements in that particular field New product group in the Böllhoff portfolio – SITEC fasteners for vibration and noise decoupling are exceptionally diverse: engine, body, running gear and other components generate noise and vibration. Vehicle acoustics is a highly complex field. Today‘s electrified drive trains lead to the formation of new, changed noise characteristics. It is a real challenge for developers and designers to have the answers to all vibration and acoustics issues. Decoupling vibrations and noise The new product group of SITEC vibration and noise decoupling fasteners is Böllhoff‘s answer to today‘s trend toward NVH devel- opment. Image: © Böllhoff Image: © Yurok Aleksandrovich/stock.adobe.com
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