MACHINE NAME:  AUTOMATIC POST BED SINGLE NEEDLE MACHINE

MODEL NO: SB-1891

BRAND: SHIBANG   

FEATURES

• Stepper motor controls feeding, and the reinforcement stitching performance is excellent and stable.
• Forward and reverse seam three synchronous feeding, superior reverse seam climbing ability.
• Pitch programmable control for easy handling of sewing process Function requirements.
• No need for a second manual thread trimmer, high efficient and good benefits.
• It adopt LCD operation panel, easy to operate visually.
• Up and down differential feeding function, low misalignment rate, ensuring sewing material quality.
• The error rate of high and low speed needle gauge variation is small.

FUNCTION

Counting function, bottom line detection, automatic backstitching, automatic thread trimming, automatic lifting foot, integrated design.

USAGE AND SPECIFICATION

For riding boots, sports shoes, work shoes, casual shoes, sponge shoes, baby shoes, High quality leather shoes.

TECHNICAL PARAMETER

1. Sew Speed                 : 200-2000rpm
2. Operating Voltage      : 200-220V
3. Rated Power              : 750W
4. Sewing Type               : 0-5.0mm
5. Drive Mode                : Electromagnet mode+ Stepper mode  

The SB-1891 Automatic Post Bed Single Needle Machine is a next-generation industrial sewing solution engineered to meet the demands of high-precision footwear production. This advanced machine is designed specifically for complex, three-dimensional sewing tasks required in the manufacture of shoes, especially those involving intricate post-bed operations. With robust features such as servo-driven automation, post-bed construction, and intelligent programming options, the SB-1891 stands as a cornerstone of modern footwear assembly lines, helping manufacturers improve efficiency, reduce manual labor, and ensure consistent stitching quality.

Post Bed Design for 3D Sewing Precision

At the heart of the SB-1891 is its specialized post-bed design, which enables operators to sew deep into the contours and angles of footwear components that are otherwise difficult to access with flatbed or cylinder-bed machines. The post bed provides excellent visibility and control, making it ideal for stitching curved surfaces like shoe uppers, heel backs, and other three-dimensional sections. This design is essential for manufacturers producing shoes that require exact stitching in elevated or angled areas, such as fashion shoes, sports sneakers, high heels, and boots. The elevated post structure gives better access to tight spaces, ensuring consistent seam alignment and reducing defects caused by hard-to-reach areas.

Intelligent Servo Motor Integration

The SB-1891 is powered by a high-efficiency servo motor system that delivers responsive control, quiet operation, and energy savings. This motor allows for adjustable speed settings, enabling operators to match the stitching speed to the complexity of the material and design. The motor offers enhanced torque at lower speeds, making it perfect for handling materials of varying thickness. In contrast to traditional clutch motors, the servo motor provides better needle positioning accuracy, smoother operation, and much lower energy consumption. This significantly contributes to reducing long-term operational costs while increasing stitching precision.

Automatic Thread Trimming and Backtack Functions

This machine features automated thread trimming and backtack functions, which streamline production processes and eliminate the need for manual finishing steps. The automatic thread cutter ensures clean thread ends after every stitch cycle, reducing the need for scissors or rework. The backtack functionality ensures that each stitch begins and ends with reinforced locking stitches, preventing unraveling and improving product durability. These automation features not only enhance the quality of the finished product but also contribute to faster production cycles and labor savings.

Computerized Stitch Programming

The SB-1891 supports computerized stitch programming for consistent output, especially useful in mass production settings. It allows users to predefine stitching parameters such as stitch length, speed, backtack count, and presser foot lift height. These parameters are saved in memory for different shoe models or materials, enabling quick setup changes and minimizing downtime during production line shifts. With programmable settings, operators can switch between various shoe types or designs at the push of a button. This is particularly advantageous in facilities handling multiple product lines or customized footwear orders.

High Stitch Quality and Durability

Equipped with advanced feeding mechanisms and precise needle control, the SB-1891 delivers uniform stitch formation, even on thick or multilayer materials. The post bed allows the fabric or leather to flow smoothly under the needle, minimizing friction and ensuring each stitch is evenly spaced. Whether the task involves decorative stitching, reinforcement sewing, or functional assembly, the machine consistently produces high-quality results. This makes it suitable for premium footwear brands where stitch aesthetics and durability are paramount.

Designed for Footwear Manufacturing Excellence

The SB-1891 is purpose-built for the footwear industry, with a strong emphasis on versatility, accuracy, and production speed. It’s ideal for a range of operations including:

• Sewing on shoe uppers and vamps

• Attaching heel supports

• Forming decorative seams on sneakers and dress shoes

• Stitching challenging materials like suede, genuine leather, and synthetic composites

Its adaptability allows it to cater to multiple footwear categories, including athletic shoes, fashion footwear, formal shoes, safety boots, and custom-designed models.

Excellent Material Compatibility

The SB-1891 handles a wide range of materials with ease. From soft and stretchy fabrics to rigid leather and rubberized textiles, the machine’s feed system and adjustable tension mechanisms ensure consistent results across all types. This flexibility allows manufacturers to maintain a single machine for varied production tasks, reducing the need for specialized machines and optimizing floor space in the factory. Whether sewing nylon webbing or thick leather overlays, the SB-1891 ensures even feeding, preventing skipped stitches or puckering.

Enhanced Operator Experience

Ergonomics and ease of use are critical in industrial environments. The SB-1891 is designed with operator comfort in mind. The elevated post bed enables better posture while sewing, reducing strain on the hands and eyes. Controls are strategically placed for quick access, and the foot pedal is responsive and user-friendly. The user interface allows for easy navigation between stitch programs and machine functions. LED lighting at the needle area enhances visibility, especially when working with dark materials or intricate stitch patterns. This setup ensures smoother operation and reduces operator fatigue during long shifts.

Integrated Safety Features

Operator safety is a top priority in industrial machinery. The SB-1891 includes multiple built-in safety mechanisms, such as needle guards, emergency stop functions, and power-off detection. These features protect both the machine and the operator, ensuring safe operation throughout the production day. Additional sensors monitor needle position, thread status, and machine load, automatically halting operations in case of abnormalities. This prevents further damage to the machine and helps maintain production quality by alerting staff to issues early.

Automated Lubrication System

To maintain machine longevity and reduce downtime, the SB-1891 comes with a centralized automatic lubrication system. This ensures that critical moving parts receive the appropriate amount of oil, reducing friction, wear, and maintenance requirements. The oil reservoir is visible for easy monitoring, and the system operates quietly in the background, ensuring optimal machine performance without the need for constant manual attention.

High Productivity for Demanding Environments

With its combination of automation, power, and precision, the SB-1891 is built for high-volume production environments. It can comfortably meet the demands of 8 to 12-hour manufacturing shifts, maintaining consistent performance with minimal user intervention. The machine’s speed and stability allow operators to produce more pairs of shoes per day while maintaining tight quality control, helping manufacturers scale operations without compromising product standards.

Energy-Efficient Operation

The use of a servo motor not only enhances performance but also results in significant energy savings. Compared to traditional clutch motors, the SB-1891 consumes far less electricity, contributing to lower production costs and more sustainable manufacturing practices. Energy efficiency also means reduced heat generation, which extends the life of machine components and creates a safer working environment.

Easy Setup and Minimal Training Requirements

Despite its advanced features, the SB-1891 is remarkably easy to set up and operate. Basic training allows operators to understand the control system and begin using the machine efficiently within a short time. Its intuitive design reduces the learning curve and makes it accessible even to operators with limited experience. This reduces dependency on highly skilled technicians and enables flexible staffing on the production floor.

Optional IoT and Smart Factory Integration

For manufacturers adopting Industry 4.0 practices, the SB-1891 offers optional IoT integration. When connected to a smart factory ecosystem, it can send real-time data on productivity, usage rates, maintenance cycles, and error reports to a central management system. This connectivity allows factory managers to monitor machine performance remotely, conduct predictive maintenance, and gain insights that optimize overall efficiency and equipment utilization.

Durable Frame and Compact Footprint

Built with industrial-grade materials, the SB-1891’s solid construction ensures stability during operation and longevity in demanding environments. Despite its robust build, the machine maintains a compact footprint, making it suitable for factories with limited space. Its sleek yet strong frame minimizes vibration and enhances stitch accuracy even at high speeds, contributing to better product quality and machine life.

Noise Reduction Technology

The SB-1891 has been engineered to operate with minimal noise, thanks to its servo motor and smooth mechanical design. Quieter operation reduces workplace stress and helps create a more comfortable environment for workers, especially in facilities with multiple machines running simultaneously. This makes the machine not only effective but also employee-friendly, an important consideration for worker retention and well-being.

Environmental Compliance

In line with modern industrial standards, the SB-1891 complies with global energy and environmental regulations. Its low energy consumption, reduced material waste, and quieter operation make it a suitable choice for environmentally conscious manufacturers . Additionally, the machine generates less waste through features such as precise thread control and minimized adhesive use (when configured with glue assistance tools), ensuring a greener production process.

Key Benefits Summary

• Precision: Seamless stitching in hard-to-reach areas for high-end and intricate footwear.

• Speed: Automated features reduce cycle times and increase throughput.

• Versatility: Compatible with a wide range of materials and shoe types.

• Reliability: Heavy-duty components built for continuous operation.

• Automation: Reduces manual errors, improves consistency, and enhances productivity.

• Operator Comfort: Ergonomic design for long shifts and easy control.

• IoT Ready: Future-proof with smart factory integration (optional).

• Energy Saving: Efficient servo motor reduces power consumption and heat output.

• Compact: Space-saving design suited for a variety of production floor layouts.

The SB-1891 Automatic Post Bed Single Needle Machine represents the pinnacle of industrial sewing innovation for the modern footwear manufacturing industry. It combines state-of-the-art automation with dependable mechanical engineering to deliver precise, durable, and efficient sewing for every pair of shoes produced. Whether your focus is on mass production, custom orders, or premium product lines, this machine offers unmatched versatility and performance.