The 80700 Series double needles chain stitch sewing machine is a cornerstone in the heavy-duty FIBC (Flexible Intermediate Bulk Container) bag manufacturing industry. Designed for precision, durability, and adaptability, this machine is engineered to meet the demanding requirements of producing large-volume, industrial-grade FIBC bags. Whether you're manufacturing bags for agriculture, construction, or chemical industries, the 80700 series offers a robust solution tailored to enhance productivity and quality.
The 80700 series sewing machine is a specialized tool designed for the production of FIBC bags (also known as jumbo bags or big bags). These bags are widely used for transporting bulk materials due to their strength and capacity. The 80700 series is available in multiple configurations, including single-needle and double-needle models, flat bed or cylinder bed options, and manual or pneumatic foot lift systems. Each variant is tailored to specific production needs, ensuring flexibility for manufacturers.

The 80700 series is distinguished by its advanced features and engineering excellence. Here are the standout advantages:

| Parameter | Details |
|---|---|
| Maximum Sewing Thickness | 18mm |
| Max Speed | 1400 rpm |
| Needle Distance | 7.2mm |
| Stitch Range | 6-12mm (Standard: 10mm) |
| Needle Configuration | Double needles (4 threads parallel chain stitch) |
| Feeding System | Top and bottom feeding |
| Motor Type | 220V Single phase 750W servo motor (for 80700CD4H) |
| Optional Features | Pneumatic foot lift, hot cutter system, needle position fixed up system, needle cooling system |
The 80700 series is widely used across various industries where FIBC bags are essential. Key applications include:

Hebei Longsew Machinery Technology Co., Ltd. is a leading manufacturer of industrial sewing machines, with a focus on FIBC bag production equipment. The company has a long history of innovation and reliability, and the 80700 series remains one of its most popular products. Their commitment to quality and customer satisfaction is reflected in the durability and performance of their machines. Longsew's expertise in heavy-duty machinery has made it a trusted name in the global manufacturing sector.
The 80700 series stands out due to its combination of power, precision, and adaptability. Here are some reasons to consider this machine:
The 80700 Series double needles chain stitch sewing machine is a critical asset for any FIBC bag manufacturer. Its advanced features, customizable options, and durable design make it a top choice for industries requiring high-volume, high-quality bag production. By investing in this machine, manufacturers can improve efficiency, reduce costs, and meet the stringent demands of modern industrial applications.
NIST (National Institute of Standards and Technology) provides industry standards and guidelines for manufacturing equipment. While the specific page referenced was unavailable, NIST's resources are widely recognized as authoritative in the field of industrial technology and safety standards.