SBR290 Adjustanble roll square bottom paper bag making machine 

Structural Features
1. Adopts PLC and touch screen human-machine interface, centralized control system, with reliable performance, easy for operation and maintenance. English/Chinese language can be changed easily.
2. Air shaft, hydraulic material loading system, with chuck, hydraulic up/down system.
3. Automatic constant tension control for unwinding, EPC web guider system, motor for material feeding with inverter, wheel type gusset unit with motor driving.
4. Servo motors for main feeding and bag length control; closed type automatic glue application and forming system. Paper impress, bottom folding, gluing and bag formation can be completed automatically.
5. Side lay working table, easy operation.