Manual Double Needle Postbed Sewing Machine Shibang-9920
The Shibang-9920 Double Needle Roller is a sophisticated industrial sewing machine component designed to deliver high precision, durability, and efficiency in double-needle stitching applications. Engineered for advanced textile manufacturing, this machine stands out with its robust build, smooth operation, and adaptability to various fabric types. The Shibang-9920 is favored by garment manufacturers, upholstery producers, and leather goods fabricators for its reliability and performance under high-volume production demands.
Overview of the Shibang-9920 Double Needle Roller
The Shibang-9920 model is an industrial sewing machine that features double needles coupled with a roller feed mechanism. This combination allows for simultaneous dual-stitching and superior fabric handling, reducing slippage and ensuring uniform stitch length. It is designed to handle heavy-duty materials as well as delicate fabrics, making it versatile for different manufacturing needs.
-  Double Needle Functionality: The two needles enable parallel stitching, which is essential for strength and aesthetic appeal in seams. 
-  Roller Feed System: The roller feed mechanism enhances fabric movement control, reducing puckering and distortion. 
-  Heavy-Duty Construction: Made from high-quality materials, it withstands continuous operation in demanding production environments. 
Technical Specifications
The Shibang-9920 Double Needle Roller’s technical details underline its precision and adaptability:
| Details | 
|---|
| Double Needle Roller Sewing Machine | 
| Double needle (parallel stitching) | 
| Lockstitch | 
| Up to 4000 stitches per minute | 
| Roller feed for smooth fabric handling | 
| 0.1 mm to 5 mm | 
| 31.8 mm | 
| High-speed servo motor | 
| Automatic lubrication system | 
| 220V / 50-60Hz | 
| Approx. 65 kg | 
| 850mm x 400mm x 600mm | 
Design and Build Quality
The Shibang-9920 is engineered with a heavy-duty metal frame that ensures stability and longevity. The precision-machined components minimize vibration and noise, enhancing operator comfort and stitching accuracy.
-  Robust Frame: Provides excellent machine stability, essential for high-speed operation. 
-  Precision Needle Bar: Ensures needle alignment and reduces breakage. 
-  Advanced Roller Feed: Offers consistent fabric grip without damaging sensitive materials. 
-  Ergonomic Controls: Intuitive operation panel for easy stitch length and speed adjustment. 
-  Safety Features: Includes needle guards and emergency stop functions. 
Functional Advantages
Enhanced Stitch Quality
With double needles stitching simultaneously, the machine produces parallel rows of stitches that provide strength and a professional finish. The roller feed ensures smooth feeding even with thick or layered fabrics, reducing fabric distortion.
Versatility Across Materials
The Shibang-9920 is designed to work with a wide variety of fabrics—from light silks to heavy denim and leather—without compromising stitch quality or machine efficiency.
Increased Productivity
The high-speed servo motor coupled with the automated lubrication system allows for extended operation periods with minimal downtime, boosting manufacturing throughput.
Applications
The Shibang-9920 Double Needle Roller is widely used in various industries, including:
-  Apparel Manufacturing: For jeans, trousers, shirts, and jackets requiring strong double stitching. 
-  Leather Goods: Stitching leather products like bags, belts, and footwear with precise, durable seams. 
-  Home Textiles: Upholstery and curtain production where fabric handling precision is critical. 
-  Automotive Interiors: Sewing seat covers and interior trims requiring robust and uniform stitching. 
Operation and User Interface
The machine features a user-friendly interface that allows operators to easily control speed, stitch length, and needle positioning. The electronic controls improve consistency, and the servo motor provides energy-efficient operation.
-  Touch Panel Controls: Simplify adjustments for different fabric types and sewing tasks. 
-  Programmable Stitch Settings: Enables repeatable, consistent output for large production runs. 
-  Automatic Thread Trimming (Optional): Some models may be equipped with automatic thread trimming for enhanced efficiency. 
Maintenance and Troubleshooting
Routine Maintenance
-  Lubrication: The automatic lubrication system ensures that all moving parts receive appropriate oil, reducing wear. 
-  Needle Inspection: Regularly check needle sharpness and replace to avoid skipped stitches. 
-  Feed Mechanism: Clean the roller feed regularly to prevent fabric slippage. 
-  Tension Adjustment: Periodic checks to maintain proper thread tension for consistent stitch quality. 
Troubleshooting Tips
-  Skipped Stitches: Often due to needle issues or improper threading. 
-  Uneven Stitch Length: Could be caused by feed roller slippage or tension problems. 
-  Machine Jamming: Usually a sign of lint accumulation or incorrect threading. 
Comparative Analysis
Compared to other double needle sewing machines in the market, the Shibang-9920 stands out because of:
-  Its robust roller feed system that outperforms traditional drop feed mechanisms. 
-  High-speed servo motor allowing for faster stitching without loss of precision. 
-  Advanced build quality that reduces maintenance frequency. 
-  Versatility in handling a broader range of materials. 
Industry Relevance and Customer Feedback
The Shibang-9920 is highly regarded in industrial sewing for its reliability and efficiency. Users report improved production speeds, reduced thread breakage, and enhanced stitch consistency, contributing to lower operational costs and higher-quality output.
Future Developments and Upgrades
Shibang is continually innovating, integrating smart sensors and IoT compatibility into future models, allowing real-time monitoring of sewing quality and predictive maintenance alerts.
The Shibang-9920 Double Needle Roller is an indispensable machine for industries requiring strong, precise, and efficient double stitching. Its combination of a double needle system with a roller feed mechanism makes it ideal for a wide variety of applications, from garment manufacturing to leather goods production. With a robust build, advanced technical features, and user-friendly design, the Shibang-9920 ensures excellent performance and longevity, making it a valuable asset for any industrial sewing operation.
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