| 摘要 |
In order to maintain the quality of lifts in a binding line, particularly while they are being conveyed and/or accumulated between the stacker and palletizing robot, a binding line lift index system is provided. The system includes a rotary index table having a plurality of lift index stations each of which is adapted to receive a lift of books from a stacker at an infeed index position and each of which is designed to minimize relative motion between books in a lift as the lift index stations are moved in index fashion from the infeed index position to an outfeed index position remote from the stacker. For this purpose, and particularly for loose lifts of saddlestitched books, the lifts are compressed at an intermediate index position between the infeed and outfeed index positions.
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