Double Chain Stitch Sewing Machine 80700CD4H - Hebei Longsew

Introduction to the 80700 Series Sewing Machine

The 80700 series sewing machine is a cornerstone in the heavy-duty FIBC (Flexible Intermediate Bulk Container) bag manufacturing industry. Engineered for precision and durability, this machine is specifically designed to meet the demanding requirements of producing large, industrial-grade bags. Whether it's for agricultural, construction, or chemical industries, the 80700 series offers versatile configurations to suit a wide range of applications.

One of the standout features of the 80700 series is its adaptability. Users can choose between single or double needles, flat or cylinder beds, and pneumatic or manual foot lift systems. Additionally, the option to integrate a hot cutter or manual cutting system ensures flexibility in production workflows. With a robust body and high-performance motor, this machine can handle materials up to 18mm in thickness, making it ideal for FIBC bag manufacturing.

Product Overview: 80700C, 80700CD, and 80700CD4H Models

The 80700 series includes three primary models, each tailored to specific production needs:

• 80700C: A single-needle basic model that can be equipped with either a clutch motor or a servo motor.
• 80700CD: A double-needle model with similar motor options, offering increased productivity for complex stitching tasks.
• 80700CD4H: The advanced version featuring a pneumatic foot lift system, hot cutter, needle position fixed-up system, and needle cooling system. This model requires a servo motor for optimal performance.

Each model is designed to enhance efficiency and reduce downtime, making them a popular choice among manufacturers. The 80700CD4H stands out for its high-end features, including a 1400 rpm motor and a 18mm thickness capacity, ensuring it meets the most rigorous industrial standards.

Key Features and Functionalities

The 80700 series is equipped with a range of advanced features that enhance its performance and usability:

• Extra Heavy Duty Capacity: Capable of handling materials up to 18mm in thickness, this machine is ideal for thick FIBC bags.
• High-Speed Operation: With a maximum speed of 1400 rpm, the machine ensures efficient production without compromising quality.
• Double Needles and 4-Thread Chain Stitch: The 401+401 stitch pattern provides superior strength and durability.
• Top and Bottom Feeding: Ensures even material feeding, reducing the risk of misalignment.
• Pneumatic Systems: Includes a pneumatic foot lift and hot cutter system for enhanced control and precision.
• Needle Positioning and Cooling: The fixed-up system and cooling mechanism prevent needle wear and ensure consistent stitching.
• Energy Efficiency: The 220V single-phase 750W servo motor offers strong power while reducing energy consumption.

These features collectively make the 80700 series a reliable choice for manufacturers seeking to optimize their production processes. The 80700CD4H model, in particular, is designed for high-precision tasks, with a stainless steel 304 table top and machine body to meet stringent hygiene and durability requirements.

Technical Specifications Table

Applications and Industry Use Cases

The 80700 series is widely used in industries that require the production of large, durable FIBC bags. Some key applications include:

• Agricultural Industry: For packaging fertilizers, seeds, and other bulk agricultural products.
• Construction Industry: For transporting cement, sand, and other building materials.
• Chemical Industry: For storing and transporting chemicals, ensuring leak-proof and secure containment.
• Food Industry: With the stainless steel components, the 80700CD4H model meets high hygiene standards for food-grade FIBC bags.

The versatility of the 80700 series allows it to adapt to various production environments. Its robust design ensures reliability in harsh industrial conditions, while its energy-efficient motor reduces operational costs. For manufacturers, this machine is a valuable investment that enhances productivity and reduces downtime.

About the Manufacturer: Hebei Longsew Machinery Technology Co., Ltd.

The Hebei Longsew Machinery Technology Co., Ltd. is a leading manufacturer of industrial sewing machines, with a long history of innovation and quality craftsmanship. Specializing in FIBC bag production equipment, the company has established itself as a trusted name in the industry.

With a commitment to excellence, Hebei Longsew focuses on developing machines that meet the evolving needs of manufacturers. Their 80700 series is a testament to this dedication, combining advanced technology with user-friendly design. The company's products are exported globally, serving clients in diverse industries.

Hebei Longsew's expertise is further reinforced by its adherence to international standards. The company's website provides detailed information about their products, technical support, and customer service, ensuring that clients receive comprehensive assistance throughout the purchasing and usage process.

Why Choose the 80700 Series?

The 80700 series stands out in the market due to its combination of durability, versatility, and efficiency. Here are some compelling reasons to consider this machine:

• High Durability: Built with a strong body and high-performance motor, the machine can withstand continuous use in demanding environments.
• Customizable Options: With multiple configurations, users can tailor the machine to their specific production needs.
• Energy Efficiency: The servo motor reduces energy consumption, lowering operational costs over time.
• Advanced Features: Features like the pneumatic foot lift and hot cutter system enhance precision and reduce manual intervention.
• Compliance with Standards: The stainless steel components of the 80700CD4H model meet the stringent requirements of the food and pharmaceutical industries.

For manufacturers looking to upgrade their production capabilities, the 80700 series offers a reliable and cost-effective solution. Its long-standing popularity in the industry is a testament to its quality and performance.

Industry Standards and Certifications

The 80700 series is designed to comply with international standards for industrial machinery. While specific certifications are not mentioned in the context, the machine's features align with the principles outlined by organizations such as the National Institute of Standards and Technology (NIST). NIST plays a critical role in developing measurement standards that ensure the accuracy and reliability of industrial equipment. As noted in NIST's research, "Precise measurements and standards are essential for advancing technology and improving the quality of life for all Americans" (NIST, 2025).

By adhering to such standards, Hebei Longsew ensures that their products meet the rigorous demands of modern manufacturing. The company's commitment to quality and innovation is further highlighted by its continuous efforts to improve its product line in line with industry advancements.

Conclusion

The 80700 series sewing machine is a versatile and durable solution for FIBC bag production. With its advanced features, customizable options, and energy-efficient design, it caters to the needs of various industries. The machine's ability to handle thick materials and its compliance with industry standards make it a reliable choice for manufacturers.

For those seeking a high-performance sewing machine, the 80700 series offers a comprehensive solution. By investing in this equipment, manufacturers can enhance their productivity, reduce costs, and ensure the quality of their products. Hebei Longsew Machinery Technology Co., Ltd. continues to innovate and deliver products that meet the evolving demands of the market.