Introduction: This machine is used for pressing groove for paper drum.It has following features:auto feedingdrum ,auto locating drum, auto groove pressing ,auto discharging drum. It is controlled by PLC. Specification: Model:QZDSYB-450Ã?750mm Paper Drum Diameter:Ï?280mm-Ï?450mm Speed:180pcs/hour Power:9KW/380V/50HZ/3Phase Pressure:0.8Mpa Weight:~1500kg