BOSS
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BRAKE ONLY SNAG SYSTEM DELLNER BUBENZER Germany GmbH Friedrichshuettenstr. 1 D-57548 Kirchen-Wehbach Phone +49 (0) 2741 / 9488-0 info.de@dellnerbubenzer.com

BOSS® - BRAKE ONLY SNAG SYSTEM BOSS®- BRAKE ONLY SNAG SYSTEM PHYSICAL BACKGROUND Today cranes are able to hoist with 180m/min using huge motors up to 1000kW and more. Using huge equipment means also handling huge inertia that must be accelerated and stopped. The energy that has to be controlled by the hoist is increasing with the square of the lifting speed. In a snag case motors and couplings are still rotating for a short period of time whereas the container or the empty spreader has been already stopped. During this period of time all kinetic energy has to be absorbed by the wire ropes....

HOW DOES THE BOSS® SYSTEM WORKS? LOAD PINS SERVICE BRAKE EMERGENCY BRAKE HOIST MOTION Load pins are detecting an overload on one or more corners. BOSS® PLC will cut off power for BUEL® H thrusters, service brakes and BUEL® G for emergency brakes and hoist motors. The electrical reaction time is only 20ms until the brakes are switched off. Service brakes apply full braking torque within 36ms after power off. Emergency brakes apply full braking torque within 70ms after power off. Hoist motion will be stopped after 10 to 110ms. The total stopping time from snag detection to stand still is...

BOSS® - BRAKE ONLY SNAG SYSTEM BOSS® - INTEGRATED OVERLOAD WEIGHING SYSTEM KEY COMPONENTS 1. Two-Channel load pins with integrated high speed amplifiers Safe analogue Input modules 2. BOSS® PLC - Special designed components for snag detection - Integrated overload weighing system - Profisafe Interface to crane (based on Profibus / Profinet) 3. SB and SF brake with BUEL® H and BUEL® G thruster - Five times faster compared to other systems BOSS® SAFETY PLC Profisafe communication Two-Channel load pins Profisafe Interface Fastest reaction time Precise control TÜV certified Cross-check of both...

DELLNER BUBENZER is an industry-diverse global leader in the design and manufacture of braking systems for the material handling, crane & hoist, container handling, mining, marine, industrial, offshore, oil & gas, and wind energy sectors. Global manufacturing leadership combined with a commitment to service at the local level positions DELLNER BUBENZER as the world’s first choice for sustainable braking solutions and installations. Our brakes are used in the following industries: ∙ Bridges & Movable Structures ∙ Container Handling ∙ Cranes & Hoists ∙ General Industry ∙ Iron & Steel ∙ Marine...

BRAKE ONLY SNAG SYSTEM DELLNER BUBENZER Germany GmbH Friedrichshuettenstr. 1 D-57548 Kirchen-Wehbach Phone +49 (0) 2741 / 9488-0 info.de@dellnerbubenzer.com