MACHINE NAME: AUTOMATIC PLAIN MACHINE 

MODEL NO: SB-202D 

BRAND: SHIBANG  

FEATURES

• On the shaft motor direct drive, start quickly, energy saving, environmental protection. 
• Integrated control system, easy to install.
• Connecting rod feeding, feeding smooth.
• Gear pump oil supply, lubrication full.
• Simple system control, simple and generous display, easy to operate.
• Configure LED lighting to reduce operator's visual fatigue.

TECHNICAL PARAMETER

1. Sew Speed                 : 2000rpm
2. The foot to promote  : 8-16mm
3. Stitch length              : 9mm
4. Needle                      : DPx17

The SB-202D Automatic Plain Machine is a high-performance industrial sewing solution meticulously engineered for efficiency, precision, and automation. Designed for plain stitching operations on a wide range of fabrics, this machine is the result of modern engineering combined with proven industrial performance. It is ideally suited for applications where consistent stitching, speed, and reliability are essential, making it an indispensable tool for garment manufacturers, textile producers, and assembly lines requiring high-volume throughput. The SB-202D is not just another plain machine; it represents a new generation of sewing equipment that brings automation, user-friendly controls, and heavy-duty capacity to the factory floor. It is designed to support continuous operation, offering durable mechanics, advanced servo motor control, and an intelligent automation system that simplifies repetitive tasks and reduces human error. Whether working with light cotton or thick synthetics, the SB-202D delivers excellent stitch formation, consistent seam strength, and smooth operation across materials and product types.

Automatic Plain Machines

Plain machines, also known as lockstitch machines, are the backbone of the sewing industry. Their core function is to create a straight, durable stitch that binds fabric layers with two threads—one from the needle and the other from the bobbin. In its automatic form, a plain machine like the SB-202D incorporates motorized systems and programmed features to reduce manual involvement, increase productivity, and ensure accuracy. The SB-202D enhances the basic functionality of a plain machine by adding programmable automation, precise electronic controls, and high-speed operation. It is designed for stitching applications that demand both speed and consistency, from basic seams to intricate topstitching. With this machine, manufacturers can significantly improve their efficiency, reduce waste, and deliver products with uniform quality.

Key Features and Benefits

High-Speed Automatic Operation
The SB-202D is equipped with a high-performance servo motor that supports speeds up to 5000 stitches per minute, depending on the material and application. This makes it perfect for high-volume production lines that require rapid stitching without sacrificing quality. The speed can be easily adjusted to suit the complexity and delicacy of the fabric being used.

Integrated Servo Motor for Energy Efficiency
The brushless servo motor operates with minimal energy consumption while delivering powerful and stable torque. It consumes significantly less electricity than traditional clutch motors, reducing energy costs and supporting environmental sustainability initiatives in manufacturing.

Digital Control Panel
Operators have access to a smart digital interface that allows for real-time adjustments to sewing speed, stitch length, auto backtack functions, thread trimming, and needle positioning. The interface is designed with simplicity in mind, featuring tactile buttons and an easy-to-read display that streamlines machine setup and troubleshooting.

Automatic Thread Trimmer
At the end of each stitch cycle, the SB-202D automatically cuts the thread with precision, saving time and minimizing thread waste. This feature also contributes to cleaner work and faster transitions between sewing tasks.

Auto Backtack Function
The machine can be programmed to perform automatic reverse stitches at the beginning and end of each seam, reinforcing stitch integrity without manual intervention. This ensures that all seams are secure and eliminates the need for separate quality checks for seam strength.

Presser Foot Lifter Automation
The automatic presser foot lifter enhances workflow by lifting the presser foot after thread trimming or at the end of a seam. This allows for faster removal and placement of fabric, streamlining the entire sewing process.

Needle Position Control
This function enables operators to control whether the needle stops in the up or down position after sewing. This is particularly useful in multi-step stitching processes, pivoting corners, or precise fabric positioning during decorative topstitching.

Adjustable Stitch Length
The SB-202D offers an adjustable stitch length up to 5mm, giving manufacturers flexibility to adapt the machine to various fabric types and seam requirements. Shorter stitches are ideal for light materials and aesthetic finishes, while longer stitches enhance durability in heavier fabrics.

Quiet and Smooth Operation
Thanks to its modern servo motor and precision-engineered components, the SB-202D operates with minimal noise and vibration. This provides a more comfortable environment for machine operators, especially in production settings where multiple machines run simultaneously.

Industrial-Grade Durability
Built with a robust frame and heavy-duty internal parts, this machine is designed for non-stop operation over extended periods. Its high-quality construction ensures that it can handle thick fabrics, multiple layers, and large-scale production without overheating or wearing down.

Suitable Applications

The SB-202D Automatic Plain Machine is incredibly versatile, making it suitable for a wide range of industries and applications. Some key use cases include:

• Apparel Manufacturing: Shirts, blouses, trousers, uniforms, jackets, t-shirts, and fashion garments.

• Home Textiles: Curtains, bed sheets, pillowcases, table linens, cushion covers, and decorative fabrics.

• Industrial Sewing: Safety gear, uniforms, canvas, tents, flags, and utility fabrics.

• Automotive Upholstery: Car seats, interior trim, seat belts, and fabric paneling.

• Leather Goods: When equipped with appropriate needles, it can handle synthetic leathers, PU-coated fabrics, and medium-weight leathers.

• Bag and Accessory Production: Tote bags, canvas bags, straps, and wallets that require straight seams or reinforcement stitching.

Whether it’s lightweight cotton or dense polyester, the SB-202D adapts to your material type, delivering beautiful and durable plain stitches every time.

Operational Workflow

One of the standout advantages of the SB-202D is its ease of use. The machine has been designed with the operator in mind, combining technology and mechanical efficiency into a seamless process:

1. Preparation: Thread the machine using the intuitive path labeled on the body, select the appropriate needle size and stitch length, and adjust the presser foot pressure as needed.

2. Parameter Setup: Use the digital panel to configure the speed, auto backtack length, thread trimming preferences, and needle position.

3. Fabric Placement: Place the material under the presser foot and activate the machine with the foot pedal. The automated presser foot lifts to accommodate thicker seams or transitions.

4. Sewing: Begin stitching. The SB-202D automatically performs programmed operations such as backtacking and trimming. Adjustments can be made mid-cycle for detailed or patterned seams.

5. Completion: At the end of the sewing path, the machine trims the threads, lifts the foot, and resets for the next piece. The result is a perfectly finished seam ready for pressing or inspection.

Advanced Engineering Highlights

The SB-202D doesn’t just offer automatic features—it’s built for professional-grade reliability. Its engineering includes:

• Balanced Arm Design: Maintains fabric stability and minimizes flutter during high-speed operations.

• Anti-Vibration Support: Machine vibration is dampened using shock-absorbing feet and internal mechanisms, keeping the machine steady even at maximum speeds.

• Bobbin Winding System: Efficient side-mounted winder allows operators to prepare the next bobbin without stopping production.

• Automatic Lubrication: The self-lubricating system ensures continuous oiling of key components, extending the machine’s life and minimizing downtime.

• Thread Take-Up Mechanism: Engineered for consistent thread tension and stitch quality across different fabric densities.

Maintenance and Longevity

To maximize the lifespan of the SB-202D and ensure consistent performance, the machine includes easy-to-access maintenance points:

• Self-Oiling System: Distributes oil evenly to high-friction components, reducing wear and ensuring smooth movement.

• Dust Management: Sealed compartments prevent thread dust, lint, and particles from clogging critical parts.

• Daily Check Routine: Operators can inspect key areas like the bobbin case, needle plate, and thread tension assembly within minutes.

• Spare Parts Availability: The SB-202D supports standard industrial parts, ensuring quick access to replacements when needed.

• Technical Support: Backed by professional after-sales service, technical documentation, and video tutorials.

Ergonomics and Safety Features

The SB-202D is built with operator comfort and workplace safety in mind:

• LED Light: Provides ample illumination of the work area, reducing eye strain and improving seam accuracy.

• Silent Start-Up and Shut-Down: Enhances operator awareness and eliminates startling noises.

• Emergency Stop Function: Allows immediate shutdown in the event of mechanical error or safety concern.

• Heat Protection: The motor includes thermal safeguards to prevent overheating during extended use.

• Adjustable Table Height: The Machine table can be fitted to support sitting or standing operation, depending on user preference.

Why Choose the SB-202D?

Here’s why manufacturers around the world trust the SB-202D as their go-to plain sewing machine:

• Precision Performance: Clean stitches, straight seams, and minimal errors.

• Productivity Boost: Automated trimming and backtacking reduce idle time.

• Versatile Applications: Can sew light, medium, and heavy materials with equal proficiency.

• Energy Savings: Advanced servo motor reduces power usage by over 60% compared to conventional models.

• Operator-Friendly: Smooth operation, quiet motor, and user-friendly interface increase worker satisfaction.

• Built to Last: Premium engineering ensures decades of dependable performance.

• Scalable Integration: Suitable for both small workshops and large-scale factory lines.

Industry Feedback

Manufacturers using the SB-202D report:

• 30% reduction in production time due to automation

• Significant savings on thread from precise trimming

• Lower training time for new operators due to intuitive controls

• Improved seam consistency across multiple production batches

• Less fatigue in long shifts thanks to ergonomic design and quiet operation

Whether it’s daily mass production or specialized sewing tasks, the SB-202D meets the challenge head-on with accuracy, stability, and speed.

The SB-202D Automatic Plain Machine is a powerful solution that meets the ever-growing demand for fast, accurate, and automated sewing in modern manufacturing. By integrating cutting-edge automation with proven mechanical reliability, this machine allows manufacturers to produce consistently high-quality products with reduced labor, energy consumption, and machine downtime. For businesses focused on productivity, quality control, and operational efficiency, the SB-202D is a smart, future-ready investment. It ensures that your sewing processes are faster, more accurate, and more profitable today and for years to come.