| Machine manufacturer | Najiang |
| Model | WFD-550 |
| Year | 2021 |
| Type of bag | Block bottom/SOS bag |
| Min-Max bag width |
220 - 550 mm 190 - 550 mm without handle |
| Min. - Max. cut off length |
330 - 650 mm 330 - 750 mm without handle |
| Min- Max bottom width | 80 - 280 mm |
| Handle unit |
Yes, twisted rope or flat handle Length of twisted rope: 155 - 17 5mm Diameter of twisted rope: 4 - 6 mm |
| Max. number of cycles (cycles/min) | 100 bags/minute |
| Materials |
Paper 100 - 150 gsm 80 - 150 gsm without handle |
| Max. unwind reel diameter | 1200 mm |
| Other information |
Size of flat belt: 15 mm Handle patch length: 190 mm Handle patch width: 40 – 50 mm Handle patch roll diameter: 1000 mm Paper patch roll width: 80 – 100 mm |
This is special machine for the production of shopping bags (block bottom bags) with twisted rope handle or flat belt handle made of paper. The material can be paper roll or printed paper roll. Whole machine is controlled by computer central control system with touch screen and servo motor for cut-off length control. It can produce variable sizes paper bag and paste paper handle inline for completely paper bags without any manual process. The machine automatic paper fed from roll, tube forming, cut-off, bottom forming, bottom glue, bag forming and final bag output. All steps are completed in-line; this machine is an idea equipment for Twist & Flat handle square bottom paper bag. It is the quintessence both of home and abroad.
