The so-called “bridge” directs the single-faced lengths of corrugated board up to the bridge guide and ultimately to the bridge brake. It can be set up for single, double and triple wall corrugated board. To be able to determine and potentially control the position of the single-faced web at the end of the bridge, BHS Corrugated developed Webtrol, a metering system integrated into the bridge guide.
Precisely positioned, perfectly prepared
Webtrol guarantees precise positioning of the web towards the center of the corrugator or outside web. With its adjustable brake drum, the BHS Corrugated bridge brake applies precise and constant web tension to provide optimal conditions for high-quality and consistent heating, glue application and subsequent bonding of the corrugated board. The brake resistance can be controlled pneumatically via a brush station with low-wear brushes.
High speeds and safe transport
The bridge’s control dynamics are designed for speeds up to 450 m/min; a buffer function is one of the features ensuring consistent web speeds. Manual waste elimination on the bridge facilitates the approach to the corrugator. A high-performance drive and tension system ensures safe transport of the web. A frequency-controlled rotary current motor coupled with the Single Facer is the core element of the drive station.
Easy-maintenance and user-friendly
The control console of the bridge is equipped with an integrated touch panel or standalone to monitor the production processes and diagnose any errors or malfunctions. It forms the foundation of the Bridge’s easy-maintenance, user-friendly design. The Zero Defect System (ZDS) guarantees the quick localization of errors and avoids waste by triggering early warnings in case of specified deviations from the standard.
The design of the bridge has received safety approval for all regions worldwide. The individual elements are partially pre-installed at the factory and delivered as modules to be connected at the construction site. This ensures quick assembly.
The highest standards
The BHS Corrugated bridge meets the requirements of EN 1010-1 and EN 1010-5, the industry standard of the European CE Machinery Directive.
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