
The video we tested showing the functions of double layer .You can see two unwinders with two paper rolls there .
After unwinder ,it has the gluing device which is for pasting the two pieces of paper together there .
MODEL | SBR180 | SBR280 | SBR330 | SBR460 | SBR4609 |
Bag width mm | 80-180 | 120-290 | 150-330 | 220-450 | 220-460 |
tuber cutting length mm | 190-370 | 270-520 | 270-520 | 270-520 | 370-720 |
bottom size / M gusset mm | 50-100 | 60-160 | 60-160 or | 80-180 | 80-220 |
80-180 | |||||
paper gsm g | 45-120 | 60-160g | 60-160g | 80-180g | 80-180g |
max. diameter of paper roll | 1300 | 1300 | 1300 | 1300 | 1300 |
max width of paper roll | 600 | 1000 | 1200 | 1300 | 1300 |
inner core diameter mm | 76 | 76 | 76 | 76 | 76 |
machine speed pcs/min | 220 | 200 | 180 | 180 | 150 |
machine power kw | 10 | 12 | 15 | 16.5 | 18 |
machine weight kgs | 5500 | 6000 | 7000 | 8000 | 9000 |
servo motor numbers | 2 | 2 | 2 | 2 | 2 |
machine color | white | white | white | white | white |
the other two functions video in youtube ,please check the link as below :




video link in youtube :




squaer bottom double layer paper with 6 colors in line :
https://hongyingmachinery.en.made-in-china.com
Square bottom with handle punching in line automatically





