BST, headquartered in Bielefeld (D), is a medium-sized manufacturer of systems for web-processing industries. The company employs over 300 people and operates at 11 locations worldwide as part of elexis AG. They use Metallux Sensors in their Web Guiding Systems
Web guiding systems are required wherever flat material webs are produced, processed, or refined. A typical application is the printing industry for paper, packaging, and labels. However, they are also indispensable in the production of battery cells, printed electronics, tires, hygiene products, as well as in conveyor and transport systems.
Nicol Otterbach, Vice President of Global Marketing at BST, emphasises that web guiding is an essential component of the continuous printing process. BST places great value on comprehensive customer consultation and high reliability, combined with simple and intuitive operation of the respective solution. BST also enables comprehensive process optimisations through the use of inspection and quality assurance systems. Excellent service worldwide completes the package.
An essential component of these web guiding systems is the MMP linear sensor from Metallux. The sensor is integrated into the actuator of the web guiding system. Its task is to continuously detect the absolute actual position of the drive, thereby enabling highly precise web control.
The absolute, wear-free sensor is hermetically sealed and, with a height of less than 2 mm, particularly thin. It works contactless via a magnet guided at a distance from the sensor. The MMP operates in the low voltage range, typically powered by 5 VDC. Its output signal can be processed by all common control systems.
The MMP not only offers high resolution, precision, and measurement accuracy but is also robust, wear-free, and has an exceptionally long service life of up to 50 million cycles. These advantages make it the ideal sensor for high-performance, fast machines, ensuring precise and reliable control.
However, BST does not use a standard version but a customised solution. The sensor is not mounted on a film with adhesive lamination as usual but is directly integrated into the actuator’s design. This special form of construction enables easy installation. The dimensions and cable are also customized. Instead of polyester, the resistor carrier is made of FR4. These customer-specific adaptations meet BST’s high requirements.
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