The Horizon BBS-56 Roll-fed Book Block Solution Recently Made Its North American Debut

The new BBS-56 is a plowfold book block-making system designed for short- to medium-run digital print production environments, producing 4-, 6-, or 8-page glued signatures. The compact BBS-56 can be fully integrated with a Horizon perfect binder and trimmer for a complete roll-to-perfect bound smart binding solution operating at speeds up to 800 books per hour.  

Link: https://www.sdmc.com/product_stand/bbs-56-book-block-solution/