Elevated grade station drive system

Details Elevated grade station drive system Elevated grade station drive system

B - Operations, Transporting

65

G

B65G 43/10 (2006.01) B65G 47/57 (2006.01)

Patent

CA 2469544

An elevated grade station drive system includes a plurality of conveyor sections for conveying workpieces downstream at a variable transfer speed along and between the plurality of sections according to control instructions provided by a control system. The output from at least one workpiece position sensor cooperates with corresponding upstream conveyor sections and provides workpiece position data to the control system. Each conveyor section has a corresponding variable frequency drive cooperating in variable speed driving engagement therewith. The control system controls each variable frequency drive so as to interlock adjacent conveyor sections for smooth translation of the workpieces between adjacent conveyor sections without crushing or binding the workpieces. The plurality of conveyor sections may include a plurality of lugged conveyors, which may be lugged chains.

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