Machine Appearance

Product Features
This machine is based on the original square bottom paper bag machine, double roll paper feeding station was added. Firstly stick two layers of paper, then making paper tube, cutting the tube or color mark tracking, pressing bag bottom line, gluing bag bottom, bag forming and pressing the finished paper bag.
Production Site
![]() | ![]() |
Products that can be produced
![]() | ![]() |
Functional introduction
![]() | ![]() | ![]() | ![]() |
| HMI easy to operate and learn | Automatic feeding paper roll | Paper bag bottom forming | The collection of paper bag |
Never Settle
![]() | ![]() |
|
|
Bottom Of Paper Bag

Technical Parameters
Model | RKFD-220 | RKFD-330 | RKFD-450 | RKFD-460 | RKFD-450B | RKFD-550 |
Tube cutting length | 190-390mm | 260-530mm | 260-530mm | 380-770mm | 360-800mm | 360-800mm |
Paper bag width | 90-220mm | 130-330mm | 150-450mm | 220-460mm | 220-450mm | 220-550mm |
Paper bag bottom width | 50-100mm | 70-180mm | 70-180mm | 90-260mm | 100-250mm | 100-250mm |
Paper thickness | 45-120g/m² | 60-160g/m² | 60-160g/m² | 80-160g/m² | 80-160g/m² | 80-160g/m² |
Paper roller width | 310-670mm | 430-1050mm | 470-1290mm | 650-1470mm | 670-1430mm | 670-1630mm |
Max. paper roller diameter | 1200mm | 1500mm | 1500mm | 1500mm | 1500mm | 1500mm |
Paper roller inner diameter | 76mm | 76mm | 76mm | 76mm | 76mm | 76mm |
Power | 11kw | 8kw | 8kw | 15kw | 15kw | 15kw |
Machine speed | 80-200pcs/min | 80-200pcs/min | 60-180pcs/min | 60-120pcs/min | 50-130pcs/min | 50-100pcs/min |
Air supply | >0.12m³/min 0.6MPa | >0.12m³/min 0.6MPa | >0.12m³/min 0.6MPa | >0.12m³/min 0.6MPa | >0.12m³/min 0.6MPa | >0.12m³/min 0.6MPa |
Machine weight | 5tons | 8.5tons | 10tons | 10tons | 12tons | 14tons |
Machine dimension(L×W×H) | 8000×3000×2000mm | 9200×2100×2000mm | 9200×2450×2000mm | 10000×3000×2000mm | 11000×3400×2000mm | 11000×3400×2000mm |