The BQ-270V single-clamp binder offers high-quality production perfect binding with fully automated operation, push-button simplicity, and on-demand production of variable thickness books. The binder includes an automated, sensor-activated digital caliper system which consistently measures book block thickness and automatically transfers this data to the binder for quick, automated set-up with no cycle lag time for books of different thicknesses. Designed to meet the needs of the short-run, print-on-demand book market, the BQ-270V also features single-person production of up to 500 books per hour, automatic air-suction cover feeding with in-line scoring, a large 10.4" intelligent color touch-screen, job programming, and a compact configuration.
Please check the specifications of the machine here
You can find this machine in different sizes and with different equipment.