FIBC Bag Double Needles Chain Stitch Sewing Machine 80700C/80700CD/80700CD4H-HEBEI LONGSEW MACHINERY TECHNOLOGY CO. LTD|Heavy-Duty Precision&Industrial Durability

Manufacturing high-quality FIBC bags requires precision, durability, and advanced technology. The 80700 series double needles chain stitch sewing machine is engineered to meet these demands, offering unmatched performance for heavy-duty applications. This article explores its features, technical specifications, and the company behind its development.

Product Overview

The 80700 series sewing machine is a cornerstone of the FIBC bag production industry. Designed specifically for sewing Jumbo bags, it offers customizable configurations to suit diverse manufacturing needs. Key models include the 80700C (single needle), 80700CD (double needles), and the advanced 80700CD4H, which incorporates cutting-edge features for precision and efficiency.

Key Models and Configurations

• 80700C: Single needle basic function with clutch or servo motor options.
• 80700CD: Double needles with similar motor configurations.
• 80700CD4H: Advanced model with pneumatic foot lift, hot cutter, and needle cooling systems, requiring a servo motor.

Advanced Features and Functions

The 80700CD4H model exemplifies innovation with its robust design. Key features include:

• Extra Heavy Duty Capacity: Handles up to 18mm thickness, ideal for reinforced FIBC bags.
• High-Speed Performance: Operates at 1400 rpm, ensuring rapid production without compromising quality.
• Double Needles and Chain Stitch: 4-thread parallel chain stitch (401+401) for durability and seamless seams.
• Top and Bottom Feeding: Ensures even fabric distribution and precise stitching.
• Pneumatic Systems: Includes foot lift and hot cutter for efficient operation and safety.
• Needle Cooling and Positioning: Prevents overheating and maintains accuracy during extended use.
• Energy-Efficient Servo Motor: 220V, 750W motor provides strong performance while reducing energy consumption.
• High-Quality Materials: S.S. 304 table top and machine body for compliance with food and pharmaceutical standards.

Technical Specifications

Parameter	Details
Maximum Thickness	18mm
Max Speed	1400 rpm
Needle Distance	7.2mm
Stitch Range	6-12mm (Standard: 10mm)
Needle Configuration	Double needles (4 threads)
Feeding System	Top and bottom feeding
Motor Type	220V Single Phase 750W Servo Motor
Optional Features	Pneumatic foot lift, hot cutter, spout table, and servo motor

Applications in Industrial Manufacturing

The 80700 series is widely used in industries requiring heavy-duty packaging solutions, such as:

• Chemical Industry: Sealing hazardous materials in FIBC bags.
• Food and Pharmaceutical Sector: Ensuring hygiene and compliance with strict regulations.
• Construction Materials: Packaging bulk materials like cement and aggregates.
• Logistics: Manufacturing durable shipping container111s for global trade.

Company Background: Hebei Longsew Machinery Technology Co., Ltd.

Founded with a focus on precision engineering, Hebei Longsew Machinery Technology Co., Ltd. has established itself as a leader in industrial sewing equipment. With decades of experience, the company specializes in developing machines that meet the evolving needs of the FIBC bag manufacturing sector. Their commitment to innovation is evident in the 80700 series, which remains a top choice for manufacturers worldwide.

Industry Standards and Precision

The importance of precision in manufacturing is underscored by the work of the National Institute of Standards and Technology (NIST), which sets benchmarks for measurement accuracy. As noted in NIST's research, "Precise measurements are critical for ensuring the reliability and safety of industrial equipment" (NIST, 2025). The 80700 series aligns with these standards, offering consistent performance and durability.

Conclusion

The 80700 series double needles chain stitch sewing machine is a testament to advanced engineering and industrial innovation. Its versatility, precision, and robust design make it indispensable for FIBC bag production. By choosing this machine, manufacturers can ensure efficiency, compliance, and long-term reliability.

References

National Institute of Standards and Technology (NIST). (2025). Driving Innovation: NIST's Role in Advancing Technology. Retrieved from https://www.nist.gov/