Single Needle Sewing Machine With Wheel Feed, Needle Feed(Small Post-bed Type) TH-8369

The TH-8369 Single Needle Sewing Machine with Wheel Feed and Needle Feed (Small Post-Bed Type) is a professional-grade industrial sewing machine tailored to meet the demands of intricate stitching applications. Engineered with precision and durability in mind, the TH-8369 is designed to work seamlessly on challenging contours and cylindrical shapes such as children's shoes, high-end leather goods, handbags, and riding boots. Its unique post-bed configuration, coupled with a small cylindrical diameter of just 32mm, allows operators to access and sew tight, hard-to-reach areas with unmatched control and visibility. This model stands out not only for its technical capabilities but also for its reliability, stitching accuracy, and superior adaptability across a variety of materials and product forms. From soft leather to multi-layered synthetic fabrics, the TH-8369 delivers high-performance results with consistent stitch lengths, strong seams, and reduced thread breakage. Whether in high-end fashion production or specialty footwear manufacturing, this machine offers the precision and power professionals require for refined craftsmanship.

Features

Unique Small Cylindrical Design for Enhanced Accessibility

At the heart of the TH-8369 is its purpose-built small cylindrical post-bed design with a 32mm diameter, making it an essential tool for sewing three-dimensional or tubular items. Unlike flat-bed or larger post-bed machines, the compact cylinder enables effortless maneuvering around tight curves, deep corners, and awkward seams that would be difficult or impossible to reach otherwise.

The post-bed height is designed with varying tiers:

• Top section: 380mm

• Middle section: 280mm

• Bottom section: 180mm

This tiered pot seat structure supports ergonomic operation and material handling at different levels, allowing the operator to stabilize and guide the fabric efficiently while maintaining precise control over stitching in multi-angle zones.

The small diameter also means reduced material resistance and improved visibility, helping users execute clean, professional stitching on narrow tubes, curved edges, and miniature product areas, such as in children's shoes or compact handbag corners.

Dual Feed System: Wheel Feed and Needle Feed

To ensure smooth and consistent feeding even on thick or uneven materials, the TH-8369 features a double roller and needle feeding system. This dual-feed technology combines the strength and grip of the driven roller feed dog with the precision of needle feed synchronization, offering several critical advantages:

• Prevents stitch irregularities, even when climbing over thick seams

• Minimizes puckering on delicate or soft fabrics

• Ensures synchronized fabric movement, reducing shifting and misalignment

• Maintains stitch length consistency, especially critical for aesthetic detailing and reinforced seams

The wheel feed and needle feed mechanisms work in tandem to produce clean, aligned stitches from start to finish, making it ideal for demanding applications where topstitch appearance and structural durability matter.

Reinforced Needle Loom Seat for Durability and Precision

A common issue with standard post-bed machines is the risk of needle deflection or breakage when operating on multi-layered or thick materials. To combat this, the TH-8369 incorporates a new needle loom seat reinforcement, enhancing the machine's structural rigidity and performance under high-tension conditions.

This feature improves:

• Sewing accuracy, by reducing needle vibration

• Needle longevity, with less wear and tear

• Thread tension management, avoiding fraying or snapping

• Operator safety and confidence, through improved mechanical stability

For manufacturers working with premium materials or intricate product designs, this reinforced construction contributes to smoother workflows and reduced machine downtime due to maintenance or parts replacement.

Wide Material Compatibility and Application Flexibility

Designed to accommodate a variety of materials and thickness levels, the TH-8369 is suitable for applications across industries. It performs equally well on soft, supple leathers, firm synthetics, canvas, foam-backed composites, and other multi-layer textiles. Primary application categories include:

• Children’s Shoes: Perfect for tight curves and detailed design work

• High-End Leather Bags: Clean, visible stitching enhances product appeal

• Dress Shoes and Footwear: Uniform seams across the upper and heel areas

• Luggage and Suitcases: Strong construction for reinforced seams

• Handbags and Clutches: Seam precision and styling consistency

• Riding Boots and Equestrian Wear: Seam durability under stress and motion

The small post-bed design combined with powerful feed mechanisms makes the TH-8369 ideal for 3D surface sewing, tight-edge finishes, and reinforced corner stitching.

Manual Lubrication for Controlled Maintenance

The TH-8369 features a manual lubrication system, giving users full control over oiling and ensuring precise care of internal parts. While automatic lubrication systems offer convenience, manual systems are often preferred in specialty machines where material contamination or over-oiling is a concern.

Manual lubrication benefits include:

• Cleaner working environment with less risk of oil seepage onto fabric

• Targeted oil application for extended part life

• Better maintenance awareness by encouraging regular machine check-ups

• Increased longevity of internal components

This system suits workshops and production floors where detail, care, and long-term durability take precedence over automation.

High-Speed Operation with Fine Stitch Control

With a maximum sewing speed of 2,000 revolutions per minute (r.p.m.), the TH-8369 provides the responsiveness required for professional sewing applications. At the same time, the adjustable stitch length of 1.3mm to 4.8mm allows for precision in both aesthetic topstitching and structural seams.

Additional performance specifications include:

• Needle bar stroke: 38mm

• Presser foot lift: Up to 12mm, suitable for thick or layered materials

• Needle system: DPx5 11# to 25#

• Rotating hook: Vertical rotary hook for smooth thread looping and minimal knotting

• Motor power: 370W clutch motor running at 1400r.p.m., offering both power and control

Together, these features enable speed and control, allowing operators to manage both delicate decorative work and tough reinforcement stitching with equal ease.

Operational Efficiency and Benefits

Compact Yet Powerful

Despite its compact cylinder and relatively small footprint, the TH-8369 offers industrial-strength performance. The thoughtful design allows it to handle heavy workloads without sacrificing stitch quality or operator control.

Precision Stitching in Tight Spaces

The hallmark of this machine is its ability to operate in confined spaces and perform tasks that other flat-bed or large post-bed machines simply can’t handle. This is especially valuable for custom shoemaking, purse production, and small leather goods fabrication.

Reduced Thread and Needle Breakage

Thanks to the new reinforced needle seat and coordinated feed system, the machine reduces common stitching problems like thread snapping, needle skipping, or uneven seams.

Ergonomic and User-Friendly

The tiered post-bed construction and responsive clutch motor provide users with a comfortable, controlled operating experience. The machine is designed to reduce fatigue and increase production consistency during long shifts.

Applications in Detail

Children’s Footwear

Children’s shoes often feature tight seams and intricate curves. The TH-8369's 32mm post-bed cylinder makes it easy to reach those areas, while the controlled feed system prevents fabric bunching and irregular stitching.

Luxury Leather Bags

For premium handbags, clean edge stitching is essential. This machine offers exact stitch placement, no skipped threads, and a polished finish—even around rolled edges or pleated designs.

Handcrafted Boots and Riding Gear

Boots demand long, uninterrupted seams and strong reinforcement. The TH-8369’s power, along with its vertical rotary hook and robust feed system, enables dependable performance through thick materials and curved contours.

Designer Handbags and Clutches

Delicate materials, thin straps, and intricate corner work all benefit from the TH-8369’s small-cylinder access and consistent feed. The adjustable stitch length allows operators to match seam style with aesthetic expectations.

Custom Upholstery and Accessories

For products requiring stitching in recessed or curved areas, such as the corners of cushions, rounded bag edges, or helmet interiors, the TH-8369 is the perfect tool.

Maintenance and Care

While robust and durable, the TH-8369 operates best with periodic maintenance, including:

• Manual oiling as per usage intensity

• Cleaning of the needle area and hook race to prevent dust and lint buildup

• Inspection of the needle and presser foot for wear

• Thread path checks to ensure proper tension and alignment

Proper maintenance ensures that the machine continues delivering peak performance over the years of use.

Safety and Compliance

As with all industrial equipment, the TH-8369 is designed with operator safety in mind. Key safety considerations include:

• Clutch motor control, offering responsive speed adjustments

• Manual lubrication, limiting unexpected leakage

• Stable base design, minimizing vibration during high-speed operation

• Certified parts and wiring, ensuring electrical safety under continuous operation

When used properly, the TH-8369 meets high standards for safe, reliable, and efficient sewing in demanding environments.

Summary of Advantages

• Compact 32mm post-bed cylinder for precise work on tubular or small areas

• Tiered pot seat for multi-level operation control

• Double feed system for consistent stitching, even on thick seams

• Reinforced needle seat to reduce wear and breakage

• Manual lubrication for precision maintenance

• Suitable for a wide range of applications, including children’s shoes, handbags, riding boots, and more

• Industrial-level performance with a high-speed clutch motor

• Professional-grade results for both aesthetic and structural seams

The TH-8369 Single Needle Sewing Machine with Wheel Feed and Needle Feed (Small Post-Bed Type) is a specialized solution for artisans and manufacturers who need control, versatility, and precision when sewing complex products. It’s engineered for performance in high-end applications where the finish, accuracy, and durability of each stitch are non-negotiable. With its compact cylindrical post-bed, dual-feed mechanism, and reinforced needle structure, the TH-8369 brings unmatched capability to your production line or workshop. Whether you’re creating the next luxury leather collection or building rugged riding boots, this machine ensures every stitch is strong, straight, and stylish.