MACHINE NAME: HIGH SPEED COMPUTER FLAT HEAD LOCK HOLE NAIL BUCKLE MACHINE  

MODEL NO: SB-1790

BRAND: SHIBANG

FEATURES

• Adopting a new type of rotary shuttle to prevent sewing problems such as thread breakage and poor thread winding. The low-tension stitching is aesthetically pleasing and can be well presented in both mountain and flat seams.
  
• The minimum resolution of the needle pendulum is increased by 0.05mm per pulse to prevent fuzzing at the incision site after cutting. All kinds of sewing patterns can be accurately sewn.
• It has a substrate sewing function, making it easy to sew even fabrics that are prone to looseness, such as knitted ones.

TECHNICAL PARAMETER

• Model                    : SB-1790
• Sewing speed         : 4200rpm
• Sewing area           : Max.120mm
• Presser foot lift     : Pulse motor drive method
• Needle                  : 134Nm90

The Shibang-1790 High Speed Industrial Sewing Machine stands as a benchmark in industrial sewing technology, engineered to meet the demanding requirements of high-volume manufacturing environments. This machine is the epitome of efficiency, precision, and durability — specifically designed for rapid stitching on a wide variety of materials ranging from medium to heavy fabrics. With cutting-edge engineering, the Shibang-1790 ensures superior stitch quality and operational reliability, making it a preferred choice in garment manufacturing, upholstery, leatherwork, and technical textiles industries worldwide.This detailed description provides an exhaustive view of the Shibang-1790, highlighting its construction, technical features, advantages, and practical uses, as well as essential guidance on operation and maintenance.

Model Overview

The Shibang-1790 is a high-speed lockstitch sewing machine designed for industrial use. It incorporates advanced mechanical components and servo motor technology to deliver rapid and consistent stitching performance. The “High Speed” designation underscores its capability to operate at sewing speeds typically exceeding 4000 stitches per minute, offering significant productivity benefits for large-scale production.

Target Markets and Users

Ideal for factories, workshops, and assembly lines producing clothing, leather goods, canvas products, and upholstery, the Shibang-1790 is favored by professionals who demand a reliable, fast, and versatile sewing machine that minimizes downtime and maximizes output.

Design and Build Quality

Robust Construction

Built from premium-grade cast iron and steel alloys, the Shibang-1790 offers a durable chassis that withstands the rigors of continuous operation in industrial settings. This solid foundation reduces vibrations, which enhances stitch accuracy and prolongs machine life.

Precision Engineering

Every component is manufactured with strict tolerances to ensure smooth mechanical movement. The needle bar, feed dog system, and presser foot mechanism are engineered to maintain consistent stitch formation even at high speeds.

Compact Footprint

Despite its industrial capabilities, the machine is designed to occupy minimal floor space, facilitating easier integration into various production layouts.

Modern Ergonomics

Operator comfort and usability are enhanced through thoughtful ergonomic design, including intuitive control placements and easy-access adjustments, reducing fatigue during extended use.

Key Features

High-Speed Performance

The Shibang-1790 delivers rapid stitching at up to 4500 stitches per minute, making it suitable for high-volume production lines where speed is crucial to meeting deadlines and customer demands.

Servo Motor Integration

Equipped with a modern servo motor, the machine benefits from quieter operation, lower energy consumption, and precise speed control. The motor also allows instant start and stop functionality, improving safety and efficiency.

Automatic Lubrication System

This machine features an advanced automatic lubrication system that consistently oils critical parts to minimize wear and extend maintenance intervals, reducing downtime and repair costs.

Adjustable Stitch Length

The ability to finely adjust stitch length provides operators with control to meet the specific requirements of different fabric types and sewing applications, from delicate stitching to heavy-duty seams.

Enhanced Feed Mechanism

A precision feed dog system ensures smooth and even fabric feeding, reducing puckering and ensuring uniform stitch quality, even at high speeds.

Durable Needle Bar and Presser Foot

Manufactured for high wear resistance, these components maintain alignment and pressure to deliver consistent seam strength and appearance.

Safety and User Comfort

The Shibang-1790 incorporates protective covers on moving parts and an emergency stop switch for operator safety. Its ergonomic design reduces operator fatigue, enhancing productivity over long shifts.

Applications

Apparel Manufacturing

The machine excels in the production of denim, sportswear, outerwear, and other garments that require strong, durable seams produced quickly and consistently.

Leather and Accessories

From handbags to belts and footwear, the Shibang-1790’s high power and precision make it ideal for stitching leather materials that require heavy-duty performance.

Upholstery and Home Textiles

Furniture upholstery, curtains, cushions, and mattress covers benefit from the machine’s ability to sew multiple layers of thick fabrics efficiently.

Automotive and Technical Textiles

The machine is used for stitching car seat covers, airbags, and industrial textiles, where precision and seam durability are critical.

Canvas and Tarpaulin Products

Manufacturers of tents, awnings, and tarps rely on the Shibang-1790 to handle rugged materials and provide durable, weather-resistant seams.

Operating Instructions

Installation and Setup

The Shibang-1790 must be mounted securely on an industrial sewing table and connected to a suitable power source. Professional installation ensures proper alignment and calibration.

Threading and Needle Insertion

Clear diagrams guide the threading path for both upper and lower threads. Correct needle insertion aligned with machine specifications ensures stitch quality and prevents thread breakage.

Adjusting Stitch Length and Tension

Operators should adjust stitch length and thread tension based on fabric thickness and type. The machine’s accessible controls make fine-tuning quick and intuitive.

Using the Presser Foot and Feed Dog

The presser foot can be raised manually or using a knee lift lever to facilitate fabric positioning. The feed dog’s smooth operation ensures consistent fabric movement during sewing.

Maintenance and Troubleshooting

Daily Maintenance

• Clean lint and dust from the needle area, feed dogs, and bobbin case.

• Check the oil level in the lubrication system.

• Inspect needles for wear or damage.

Weekly Maintenance

• Deep clean the bobbin area and lubricate moving parts.

• Test the tension and stitch quality on scrap fabric.

Monthly Maintenance

• Inspect motor function and electrical connections.

• Replace worn parts such as belts, needles, or presser feet as needed.

Common Troubleshooting

• Skipped Stitches: Check needle condition and threading.

• Thread Breakage: Adjust tension, use quality thread.

• Fabric Puckering: Ensure correct feed dog and presser foot pressure.

• Machine Noise: Lubricate parts and check motor mounts.

Advantages of the Shibang-1790

Increased Productivity

With speeds up to 4500 stitches per minute, factories can achieve higher throughput with consistent stitch quality.

Energy Savings

Servo motor technology reduces electricity consumption, lowering operational costs and environmental impact.

Reduced Downtime

Automatic lubrication and robust construction minimize maintenance needs and machine failures.

Versatility

The machine’s adjustable settings and durable build make it adaptable to various fabrics and production requirements.

Enhanced User Safety

Safety features and ergonomic design reduce operator injuries and fatigue.

Customer Feedback and Case Studies

Apparel Factory Case Study

A large garment factory reported a 20% increase in production efficiency after integrating the Shibang-1790 into their denim production line, citing reduced thread breaks and consistent stitch quality.

Leather Goods Manufacturer

A leather handbag producer highlighted the machine’s ability to handle thick leather layers without needle deflection, resulting in fewer rejects and improved product durability.

Upholstery Workshop

An upholstery business appreciated the machine’s ergonomic features, which allowed operators to work longer shifts comfortably while maintaining precision sewing on heavy fabrics.

The Shibang-1790 High Speed Industrial Sewing Machine is a top-tier choice for industries requiring fast, reliable, and high-quality stitching on medium to heavy fabrics. Its blend of advanced servo motor technology, automatic lubrication, and durable construction makes it a cost-effective investment for improving production output and seam quality. Whether in apparel, leather goods, upholstery, or technical textiles, the Shibang-1790 delivers performance and longevity that meet the demands of modern manufacturing.