LSB-200+LST-4700 Roll Feeding Square Bottom Paper Bag Making Machine with printing inline

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Working Flow Chart - Unwinder paper rolls feeding -Four Colors Printing Inline -epc -auto tension -Side Glue -Photocell-Forming tube-Gusset -Pulling paper -Cutting -Creasing -Square bottom shape forming -Bottom glue -Finished Square bottom paper bags 

The paper bag making machine from the roll paper to the printing, side gluing, roll folding, roll paper cutting, bottom folding, bottom gluing, bottom forming, bag formation at a stroke.


The paper bag making machine from the roll paper to the printing, side gluing, roll folding, roll paper cutting, bottom folding, bottom gluing, bottom forming, bag formation at a stroke. This machine controls by PC programmable servo motor through the human-machine touch screen interface. It can produce various of specifications paper bags. This machine have advantages of high speed, quickly replace the paper bag specifications, more wide range adjusting etc. It is an ideal machine for producing food bag, shopping handles bag.


1.The human-machine touch screen interface, the work condition can be shown in real- time.
2.Equipped with accurate servo motor drive, it makes the machine run steadily and efficiently.
3.Material lifting adopt pneumatic lift structure.
4.Automatic constant tension control system. The tension will be just right from beginning to end.
5.Double photoelectric sensor limit automatic correction control system and deviation rectification stability, energy saving, long life.
6.Thumb buttons, appressed bottom cutting device, bag type have many choices.
7.Don't stop machine adjust double bottom structure, the adjustment will become more intuitive, more simple, more time saving.
8.Glue roller air defense coating control, avoid gluing on besmear brushes hub surface directly, reduce unnecessary trouble.
9.Accurate color tracking system, color errors automatically shut down.
10.Automatic lubricating oil supply system. sealed scraping knife scraping. Ceramic Anilox roller, high speed dot rate, screen printed layered, stronger.
13.button-360 ° continuous and adjustable longitudinal register device. 
14.Automatic Roll fed Paper Bag Machine
15.sales Service Provided and 11000KG Weight machine for paper bags
16.Fully Automatic Shopping Bag Master Paper Bag Making Machine
17.Automatic Paper Dunnage air bag making machine for container paper bag making machine

Technical Parameter:



Bag Width(W)

80-200 mm

Bottom Size(H)

50-105 mm

Bag tube length(C)

190-370 mm


260 pcs/min

Paper Thickness

45-140 gsm

Paper Roll Width

280-630 mm

Max.Roll diameter

1100 mm

Reel inner diameter

76 mm

Printing Color

4 Color

Printing Width

700 mm

Printing Length

160-800 mm

Max.Printing Speed

120 m/min

Overprint Precision

±0.15 mm

Thickness of Plate

1.7 mm

Total Power

14 Kw

Weight of Machine

5500 kg

Overall Dimension(LxWxH)

10600×1400×1850 mm

Detailing Description

Man-machine interface touch screen
Adopt touch screen and PC control system, the work condition can be shown real time. Cooperate with the ultra precise servo motor, the stability can be guaranteed.

Automatic counting system
The machine has automatic counting system. The user can set a number to count. When bag quantity meets the number, the bag will be jumped out like the picture shows.

The compact design of mechanical transmission
The compact design of mechanical transmission, ensure that the material is passed stable, accurate, improving mechanical properties, producing paper bags better appearance, neat.

Bag Bottom Gluing Structure
Lower glue tank structure can use the glue directly. The glue doesn’t need glue thickener to increase viscosity. The structure can improve efficiently the phenomenon that the high viscosity glue makes bag bottom fold. The gluing will be evener. Solve the problem that the upper glue tank structure leaks glue when the machine run with slow speed.

Color Mark Tracking System
Precise color mark tracing system can make sure precision of bag printing pattern cutting position. The color mark tracing function can avoid the readjustment after paper reel changing, paper web breaking, or power outage. The machine can stop automatically when the color mark is error. It will save time and reduce the waster rate.

monolithic cylinder-forming adjusting structure
monolithic cylinder-forming adjusting structure greatly saves time,improve working effciency,and enhance stability of adjustment.

Machine speeds dependent on paper & adhesive qualities, bag dimensions, operator knowledge, and general work philosophy.

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