... 1. Max.length: 420mm2. Max.thickness: 40mm3. binding speed: 380 book/hour4. milling cutter: sun milling cutter + small milling cutter5. sol ... fully automatic device, being extremely convenient for sorting out book core, automatically clamping book, saving time and manpower.4. sun milling cutter, ... sizing to be more uniform, of bubble-free, and book core to be bonded firmly without page dropped off ...