

Square Bottom Paper Bag Making Machine for Grocery, Shopping & Takeaway Bags
This square bottom paper bag making machine is a roll fed machine that turns primary color or pre-printed kraft paper rolls into square bottom paper bags in one pass. It is the workhorse for grocery bags, shopping bags and takeaway paper bags, and it runs the full process automatically – roll unwinding with hydraulic feeding, automatic web guide and constant tension, side gluing, printing electric eye tracking, paper tube forming, bottom creasing, bottom gluing and bag collecting.
The square bottom paper bag making machine is offered in the FD220, FD330, FD450, FD450B and FD540 models, covering bag widths from 80 mm to 540 mm. A 2 color or 4 color printing group, a bag surface window lamination device and a handgrip hole device can be added according to your bag design, and flat handle or twisted paper handle attaching devices are available as options.
This machine is composed of roll unwinding (hydraulic feeding, automatic web guide, constant tension), side gluing, printing electric eye tracking, base paper into cylinder, fixed-length traction cutting, bag bottom indentation opening, bag bottom gluing, bag bottom molding, bag sending etc.The whole machine is controlled centrally by PLC touch screen and servo motor controls the length of paper bag.
It can pretend 2 color /4 color printing group, bag surface window lamination device and handgrip hole device according to your need.
Can be matched with rope twisting, flat rope handlebar machine, rewinding machine, etc., to make the products more competitive and diversified.
Paper Bags Made on This Square Bottom Paper Bag Making Machine
Typical bags produced on the FD series square bottom paper bag making machine:
- Square bottom kraft paper bag for grocery and supermarket
- Takeaway paper bag for restaurant and fast food
- Shopping paper bag with flat handle or twisted paper handle
- Food packaging bag with window lamination and handgrip hole
- White paper or kraft paper bag with 2-6 color inline flexo printing
Bag size range: Bag Length: 150 – 680 mm | Bag Width: 80 – 540 mm | Side Gusset: 25 – 130 mm | Paper: 50 – 160 gsm
Factory Direct Square Bottom Paper Bag Making Machine and Options
As a factory direct square bottom paper bag making machine supplier, TWMACHINE ships the machine with the printing group, the window lamination device or the handle attaching device already integrated, so the buyer does not need to match a second machine afterwards. Handle types include flat handle and twisted paper handle, and the printing group can be supplied in 2 color or 4 color versions. Machines can be matched with rope twisting, flat rope handle bar machines and rewinding machines to make the whole bag production line more competitive.
Machine speed ranges from 30 to 200 pcs/min depending on the model and bag size, and the core size, paper roll width and max paper roll diameter are confirmed against your paper specification before production.
Related paper bag machines from TWMACHINE: V Bottom Paper Bag Making Machine | Pre-Cut Sharp Bottom Paper Bag Making Machine | Square Bottom Paper Bag Machine with Inline 4 Color Printing
Need a quotation or a running video? Contact TWMACHINE for the factory price and the latest catalog.
Main Specifications
Model FD220 FD330 FD450 FD450B FD540 Bag Length(mm) 150-320 225-470 210-460 320-680 320-680 Bag Width(mm) 80-220 150-330 220-450 200-450 250-540 Bag Botth Width(mm) 50-100 60-180 80 – 220 80 – 220 120-260 Side Gusset Depth(mm) 25-50 30-90 40-110 40-110 60-130 Paper Thickness(g/m2) 50-130 60-160 80-160 80-160 90-160 Core Size 3″ air shaft Paper roll width (mm) 290-670 445-1050 630-1330 590-1330 770-1640 Max. Paper Roll Dia. Φ1300mm Machine Speed 30-200pcs/min 30-160pcs/min 30-150pcs/min 30-120pcs/min 30-120pcs/min Air Source (Mpa) 0.6 0.6 0.6 0.6 0.6 Power (kw) 10 12 12 16.5 16.5 Machine Dimension(m) 8*2.98*1.8 9.8*3.05*1.9 10.2*3.15*2.2 11.3*3.4*2.2 11.3*3.4*2.16 Machine Weight(kg) 5500 8000 10000 12000 13000 Voltage 3PHASE 380V 3PHASE 380V Specifications:
1) Auto Loading
2) Servo motor
3) Color Mark Sensor
4) International electrical part brands
5) Multi-LanguageOption: 2 / 4 colors Printing Unit inline
Paper types available: kraft paper, white paper, food grade paper. Handle attaching, window lamination and inline flexo printing groups are optional.
This is Model 330 Square bottom Paper Bag Machine Running Video
It shows how to make the paper bags from paper jumbo, from unwind, tube forming and button folding.
