Web feeder centering method and apparatus

摘要

A method and apparatus are provided for positioning a sheets of material (W) on a belt feeder for transporting the material through a cutter (8) toward a tire-processing apparatus. The material has a front-edge portion which is centered by using edge-position control (EPC), and side portions which are centered by using center-position control (CPC). Also, the material as cut will have a rear-edge portion, the centering position of which is controlled by edge-position control.