CMBF-420A/520A/600A is a Automatic paper bag making machine designed for shopping bags, kraft paper bags, gift bags and commercial packaging bags.
To configure CMBF-420A/520A/600A accurately, buyers should provide bag size range, paper GSM, production speed, glue system and factory layout. CHAMPION reviews these inputs against the finished bag sample before confirming the machine layout.
| Machine category | Automatic paper bag making machine |
|---|---|
| Model / product name | CMBF-420A/520A/600A - Paper Bag Bottom Folding Machine |
| Suitable bag applications | shopping bags, kraft paper bags, gift bags and commercial packaging bags |
| Main production process | paper feeding, forming, gluing, creasing and finished bag collection |
| Buyer confirmation points | bag size range, paper GSM, production speed, glue system and factory layout |
Enter the finished luxury paper bag dimensions to calculate the required flat paper size and check whether the selected machine range is suitable.
CMBF-420A/520A/600A | Two-sheet luxury paper bag production lineThis calculator is for early project screening. Final machine selection should also confirm paper GSM, handle type, bottom structure, glue method, printing process and target production speed.


The bottom-pulling machine is a key equipment for paper bag forming. It is dedicated to the precise stretching, positioning and preliminary shaping of the bottom of the paper bag, providing a prefabricated structure for the subsequent bottom gluing/sealing process.
Machine Features
1. Fresh operator friendly design and programming, ensure you run production stably, fast in size changing, and confident in investing in your business.
2. It is widely applicable due to high productivity and easy adjustment.?It can?be applied to the production of small, medium and large.
3. One button clicking to make ready of the bottom opening function, records the history parameters, logically calculating and set the machine with 3 of the bag sizes only.
4. High-level streamlined sheet paper feeding and conveying design, stable and efficient, with flexible production capacity.
5. Applicable to a variety of thicknesses and dimensions of paper, saving time and efficiency, with simple commissioning and stable performance, and affordable and cost-effective performance.
| Model | CMBF-420A/520A/600A |
| Paper Bag Tube Width | 160-420/520/600mm |
| CMBF-420A able to customized min 100mm | |
| Paper Bag Tube Length | 280-550mm |
| Paper Bag Gusset | 70-180mm |
| Suitable Paper Material & Glue & Handle | |
| Kraft Paper | 120-350gsm |
| Coat Paper/ Laminated | 128-250gsm |
| White Board Paper | 157-300gsm |
| Grey Board Paper | 128-300gsm |
| Running | |
| Speed | 0-70 pcs/min |
| Voltage | 380V/220V 50/60HZ 3 phase |
| Production Power | 3.5-4.0KW |
| Machine Size & Weight | |
| Size | 4.5×1.4×1.9M |
| Weight | 4000kg |
| Installation | |
| Total Power Supply | 6.5KW |

1)Auto Feeding
2)Tube Pushing
3)Tube Assistant Creasing
4)Bottom Folding & Flattening
5)Paper Bag Auto Collecting
CMBF-420A/520A/600A: Send the finished bag size or drawing, paper material and GSM, required output, destination country and details of bag size range, paper GSM, production speed, glue system and factory layout.
CMBF-420A/520A/600A: The planned workflow covers paper feeding, forming, gluing, creasing and finished bag collection. The final configuration depends on the finished bag structure and which processes must run inline.