Automatic infeed device with pedestal A1-PT3+GS-9+GM4900-3 unit for bag top trimming/folding and sewing. It is suitable for automatic sewing of kraft paper bags and plastic woven bags.
This machine adopts photoelectric control, which can automatically and continuously complete the functions of trimming the mouth of kraft paper bags and plastic woven bags, wrapping crepe paper, sewing, cutting thread braids and other functions. The height of the machine can be adjusted according to the size of the packaging bag, and it is equipped with two Frequency converter, so that the speed of sewing machine and folding machine can be adjusted freely.
Infeed devices model optional: GP4900, GM4900-3. It can be mounted on pedestal with GS-9C type bag closing machine.
Sewing unit can order seperately or with conveyor. Please specify conveyor speed need when ordering(variable speed available optional).
Sewing capacity | 500-800bags/hour |
Sewing height | 720-1220mm(ground to the needle) |
Brake motor cabinet | 4P、3PH、0.75kW/0.4KW(depends on conveying speed) |
Start-Stop | photoelectric control |
Sewing head | GS-9C |
Max speed | 2700r/min |
Stitch | single needle double stitch chain stitching |
Cutting type | cylinder drive cutting |
Air pressure | 0.4MP/cm2 |
Air consumption | 3.5NL/min |
Lubrication system | Automatic oil bath system |
Oil volume | 1700cc(about) |
Pulley diameter | Φ100cm(can be customized) |
Needle type | DR-H30#26 |
Thread specification | 20/6 or 20/9 synthetic or cotton thread |

