TH-628 Arc Single Wheel Dyeing Machine

The TH-628 Arc Single Wheel Dyeing Machine is a precision benchtop unit designed for controlled edge oiling on small-scale leather components and complex curved accessories. With a specialized low-profile housing and a 25W high-torque motor, this Dyeing Machine provides the mechanical stability required to navigate tight internal radii, circular edges, and intricate zipper tails with industrial consistency.

In the footwear and leather goods manufacturing sector, the transition from straight-edge production to curved-detail finishing requires equipment that balances maneuverability with a steady application rate. The TH-628 addresses this by utilizing a single-wheel applicator that sits within an "Arc" shaped frame, allowing for maximum clearance as the operator rotates the workpiece. This design minimizes the risk of the material colliding with the machine body, ensuring a continuous, unbroken line of edge paint on components like watch straps and jewelry wristbands. 

Design Geometry for Complex Edge Finishing

The mechanical advantage of the Arc Single Wheel Dyeing Machine lies in its 196mm x 275mm base combined with a total height of only 90mm. From an engineering perspective, keeping the center of gravity low while providing a wide lateral clearance is essential for stabilizing the manual feeding process. When an operator processes a circular leather patch or a curved strap, the hand remains close to the workbench surface, reducing fatigue and improving the accuracy of the contact point between the leather and the rotating wheel.

This Dyeing Machine employs a single-wheel transmission where the applicator acts as the primary fluid carrier. As the 25W motor turns the shaft, the wheel picks up edge oil directly from the reservoir. The speed is calibrated to ensure that centrifugal force does not cause the oil to spray, yet provides enough centrifugal pressure to push the fluid into the porous fibers of the leather edge. This is particularly effective for small corners where air pockets can often lead to "skipping" in the paint layer.

Technical Specifications and Workspace Integration

The TH-628 is a 1.8kg unit that fits seamlessly into modular production lines. Its electrical and physical parameters are optimized for continuous operation in environments ranging from bespoke studios to large-scale assembly plants.

The 1.8kg weight of the Arc Single Wheel Dyeing Machine is a strategic choice; it provides enough mass to absorb motor harmonics and prevent the unit from "walking" on the workbench, while remaining portable enough for frequent reconfiguration of the production floor. The 220V power system ensures that the 25W motor maintains its torque even when using high-viscosity edge paints that create significant drag on the rotating applicator.

Industrial Applications and Substrate Management

The versatility of the Dyeing Machine allows it to process a wide variety of substrates including chrome-tanned leathers, vegetable-tanned hides, and synthetic composite fabrics. The single-wheel geometry is the industry standard for detailing work because it allows for "spot-on" application.

1. Watch Straps and Wristbands: The narrow profile of the wheel on the Arc Single Wheel Dyeing Machine is perfect for tapered ends and internal holes where a wider roller would cause surface smearing.
2. Zipper Tails and Pullers: These parts require the operator to finish a 360-degree edge in a single movement. The arc-shaped frame of this Dyeing Machine provides the necessary 3D clearance to rotate the part fully without interruption.
3. Leather Accessories: For items like key fobs or cardholder slots, the constant RPM of the motor ensures that the edge oil penetrates evenly, which is required for long-term adhesion and moisture resistance.

By standardizing the oiling process with an Arc Single Wheel Dyeing Machine, manufacturers can eliminate the variability of manual brush strokes. This results in a uniform thickness of the edge coat, which is a key technical requirement for products destined for high-end international markets.

Maintenance Protocols and Operational Longevity

To maintain the precision of the Dyeing Machine, a disciplined maintenance schedule focusing on the applicator and the fluid reservoir is necessary. Because industrial edge oils are formulated for rapid dehydration and high adhesion, any residue left on the machine can lead to mechanical imbalance or fluid contamination.

The applicator wheel of the Arc Single Wheel Dyeing Machine must be removed and cleaned with a compatible solvent after each production shift. This ensures that the microscopic surface texture of the wheel remains clear to pick up the correct volume of oil. Furthermore, the reservoir should be wiped down to prevent "skinning" of the oil, which can be drawn into the motor shaft and cause friction. Regular lubrication of the internal drive components will ensure the 25W motor continues to operate with the low-noise, low-vibration characteristics required for high-detail work.

Manufacturing Context by Tenghong Machinery

Guangdong Tenghong Machinery Technology Co., Ltd. has specialized in the development of shoe and leather machinery since 2000. Operating from a 15,000㎡ manufacturing base, we produce equipment like the Dyeing Machine to meet the rigorous demands of global supply chains. Our engineering focus is on durability and mechanical simplicity, ensuring that our hardware provides a high return on investment for our partners in over 26 countries.

The TH-628 Arc Single Wheel Dyeing Machine is a result of our commitment to addressing the specific detailing needs of the handbag and accessory industry. By focusing on the "Arc" geometry, we have provided a solution for the most difficult aspects of leather finishing—curves and corners. Investing in a professional Dyeing Machine like the TH-628 is a move toward industrializing the artisanal quality of your finished leather products, ensuring every piece meets the same high standard of edge-finish excellence.