| 摘要 |
A feedback sensing system for positioning and dispensing adhesive tabs to secure the free edges of a folded sheet material. The feedback sensing system comprises: (i) a drive mechanism for adaptively driving tab stock around a peeler bar of a tabbing head, (ii) a sensing device for detecting the position of each adhesive tab relative to an edge of the peeler bar, and (iii) a controller for adaptively controlling the drive mechanism based upon a position signal to optimally pre-position each adhesive tab relative to the edge of the peeler bar for dispensing each adhesive tab.
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