PRT2 Precision Ring and Track System - Bishop-Wisecarver - #19

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17 Application Examples Linked Carriage System With Scroll Drive Bogie carriages linked by adjustable connecting rods, incorporate rollers which engage with the screw to provide either intermittent or continuous motion drive. Linked carriage systems require some play to be present in the link journals or to have other means of compliance. Duplex Track System With Center Chain Drive This durable and highly stable duplex track system capable of withstanding high loads, is available complete with special chain and scroll drive system from Bishop-Wisecarver. The track system comprises of duplex single edge slides and a central drive to ensure constant velocity around the circuit. Any number of carriages at virtually any spacing can be accommodated on the system which can be supplied complete with motor and mounted on a Hepco MCS frame. Chain adjustment is rarely required but is achieved by the slip block method as shown and further illustrated 19. Either intermittent or constant motion is possible in either direction. A unique mechanism within the carriage in conjunction with the carriage locking system 50-51, enables index positioning to within 0.02mm to be achieved. 1 3 2 1 3 2