Backup Bar-hand Wheel Retracted–with Threaded Rod The backup bar holds the caterpillar chain in the correct relation to the conveyor power chain. It assures that the caterpillar pusher dogs will properly engage the center links of the rivetless power chain. The backup bar assembly is extended or retracted by a hand wheel turning a threaded… Read more »
Setting the Torque Spring on a Rotary Drive
Procedure for setting the torque spring on an Automatic Systems Inc. rotary drive. The torque spring should first be loosened until the inner frame of the drive starts to “bounce” under load. The “bouncing” is the rotary movement, of the inner drive frame, associated with the changes in the conveyor power chain load. (The fully… Read more »
Compensating Drive Sprocket Adjustment
How to adjust a compensating drive sprocket: The chordal action of long-pitch sprockets usually subjects the conveyor chain and its driving parts to an additional load of speed-ups and slow-downs over and above load resistance. Although this chordal action cannot be eliminated, its effect can be cancelled through the use of a compensating sprocket mounted… Read more »