Double Needles Chain Stitch Sewing Machine-FIBC Bag Manufacturing | HEBEI LONGSEW MACHINERY TECHNOLOGY CO. LTD

Introduction

The 80700 series chain stitch sewing machine is a cornerstone of the heavy-duty FIBC (Flexible Intermediate Bulk Container) bag manufacturing industry. Designed specifically for jumbo bag production, this machine offers unparalleled versatility, durability, and precision. Developed by HEBEI LONGSEW MACHINERY TECHNOLOGY CO. LTD, the 80700 series has become a preferred choice for manufacturers worldwide due to its advanced features and reliability.

Product Overview

The 80700 series sewing machine is engineered to meet the demanding requirements of FIBC bag production. It supports multiple configurations, including single or double needles, flat or cylinder beds, and manual or pneumatic foot lift systems. The machine's robust construction and high-performance motor make it ideal for sewing thick materials, with a maximum thickness capacity of 18mm. Key variants include:

• 80700C: Single-needle basic model with clutch or servo motor options.
• 80700CD: Double-needle basic model with clutch or servo motor options.
• 80700CD4H: Advanced double-needle model with pneumatic foot lift, hot cutter system, needle position stabilization, and cooling system. Requires a servo motor.

Key Features and Advantages

The 80700 series stands out due to its innovative design and user-centric features:

• Double Needles and 4-Thread Chain Stitch: The 80700CD and 80700CD4H models utilize a 4-thread parallel chain stitch (401+401), ensuring strong, durable seams ideal for heavy-duty applications.
• High-Speed Operation: With a maximum speed of 1400 rpm, the machine maintains efficiency even during high-volume production.
• Adjustable Stitch Range: The stitch range of 6-12mm (standard 10mm) allows customization for various material thicknesses and bag designs.
• Top and Bottom Feeding: Ensures even material distribution and prevents distortion during sewing.
• Integrated Filler Cord Guides: Facilitates seamless filler cord insertion, a critical step in FIBC bag manufacturing.
• Pneumatic Systems: The 80700CD4H variant includes a pneumatic foot lift and hot cutter system, reducing manual labor and improving precision.
• Needle Cooling System: Prevents overheating and extends the lifespan of the needles, ensuring consistent performance.

Technical Specifications

Parameter	Details
Maximum Thickness Capacity	18mm
Maximum Speed	1400 rpm
Needle Distance	7.2mm
Stitch Range	6-12mm (Standard: 10mm)
Needle Configuration	Double needles (4-thread chain stitch)
Motor Options	Clutch motor or servo motor (750W, 220V single-phase)
Optional Features	Pneumatic foot lift, hot cutter system, needle position fixed up system, needle cooling system

Applications

The 80700 series is widely used in industries requiring durable, large-volume packaging solutions. Key applications include:

• Agriculture: Packaging fertilizers, seeds, and animal feed in FIBC bags.
• Construction: Transporting cement, sand, and other bulk materials.
• Chemical Industry: Sealing hazardous and non-hazardous chemicals in leak-proof container111s.
• Food Processing: Manufacturing food-grade FIBC bags with stainless steel components for hygiene compliance.
• Logistics: Ensuring secure transport of bulk goods across global supply chains.

Company Background

HEBEI LONGSEW MACHINERY TECHNOLOGY CO. LTD is a leading manufacturer of industrial sewing machines, specializing in FIBC bag production equipment. With decades of experience, the company has established itself as a trusted partner for manufacturers seeking reliable, high-performance solutions. Their commitment to innovation is evident in the 80700 series, which combines cutting-edge technology with user-friendly design.

Why Choose the 80700 Series?

The 80700 series offers a unique blend of durability, flexibility, and efficiency. Its modular design allows customization to suit specific production needs, while the advanced features ensure minimal downtime and maximum output. The inclusion of a servo motor in the 80700CD4H model enhances energy efficiency and precision, making it ideal for high-volume manufacturing. Additionally, the use of stainless steel components (S.S. 304) in the 80700CD4H variant meets stringent hygiene standards, particularly in food and pharmaceutical applications.

Product Images

Conclusion

The 80700 series chain stitch sewing machine represents the pinnacle of FIBC bag manufacturing technology. Its robust design, customizable features, and industry-leading performance make it an indispensable tool for modern manufacturers. Whether producing food-grade container111s, chemical packaging, or construction materials, the 80700 series ensures precision, efficiency, and reliability.

References

According to the National Institute of Standards and Technology (NIST), "Precision in manufacturing is critical for ensuring product quality and safety. Advanced machinery like the 80700 series contributes to maintaining these standards through consistent performance and adaptability." (https://www.nist.gov)