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Belt Alignment and Rip Detection Switch

4B Braime Elevator ComponentsThe electro-mechanical Bulldog belt alignment and rip detection switch has been designed to detect dangerous misalignment of the conveyor and also detection of belt tear damage. The switch will detect horizontal misalignment of belts when contact is made with the roller; the roller arm will be forced to pivot by the belt activating a switch at 15º to trigger an alarm, and 30º to trigger a shut down procedure of the conveyor. The sensors are usually installed in pairs on opposite sides of the belt. A steel flexible wire is set approximately 20-30mm below the running conveyor belt, attached by a rare earth magnet at each end. If the belt is ripped or damaged the wire is pulled away releasing the magnet connection which in turn will activate a switch.
4B Braime Elevator Components, Leeds LS10 1JZ, UK (+44) (0)113 246 1800 www.go4b.com