Sharp Bottom Paper Bag Machine


The machine is used to produce sharp bottom paper bag from paper roll, which is suitable for craft paper, ribbed craft paper, grease-proof paper, coated paper, medico paper, etc.

The machine comprises of roll feeding, side gluing, perforating, tube forming, tube cutting off, bottom folding and gluing, finished bag collecting within a fully automatic process, it effectively cut labor cost.

The machine features with easy operation, high efficiency, more steady, which is an ideal machine for make various kind of paper bag, snack paper bag, food paper bag, bread paper bag, dry fruit paper bag and eco-friendly paper bag.


1.        Machine use French Schneider touch screen human-computer interface, operation and control easily.

2.        Adopt UK TRIO PC micro-computer control system, integrated with optical fiber, ensure high speed running steadily.

3.        Adopt Japanese Yaskawa Servo Control System and German SICK photocell for rectify, tracking printed bag accurately.

4.        Raw material loading adopt pneumatic cylinder up and down structure, unwinding adopt automatic tension control.

5.        Raw material unwinding EPC is from ZXTEC, China, reduce adjustment time

Main Specification




Machine Speed

50-300 bags/min

50-650 bags/min

Paper Thickness Range

35-80 gsm

35-80 gsm

Bag Making Length

140-450 mm


Bag Making Width

80-230 mm


Gusset Size

20-120 mm


Paper Roll Diameter

200-1000 mm


Paper Roll Width

100-700 mm


Power Supply

380V (3 phase/50Hz)

380V (3 phase/50Hz)

Total Power

15 kw

26 kw

Machine Weight

3000 kg

6500 kg

Overall Dimension (L*W*H)

7600*1800*1700 mm


Machine Photos

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