MACHINE NAME: 7 PINCERS HYDRAULIC AUTOMATIC TOE LASTING MACHINE 

MODEL NO: TH-N737B

BRAND: TENGHONG   

FEATURES

• Fully hydraulic operated system.
• The rising stop point and the drafting stop point of the newly designed last supporter are adjusted speedily and externally, accompanied by the digitized position indication up to 0.1mm, which is the most accurate repeat ability.
• The centralized control of selection and function switches make the operation more convenient.
• The machine can be installed additionally with the auxiliary binder and wiper body depending needs.
• The middle pincer can be adjusted for yawing to be left and to the right within 15 each side according to the toe cap shape suitable for special shoe models and pincers assembly arrangement.
• The fifth pincer has the function of inward rotation the rotation angle adjustment is depending on the demands and enabling the shoe more fit the shoe last when lasting.
• The machine is accompanied with the align light device to filletable the toe cap correction and position.

TECHNICAL PARAMETER

1. Pincers                   : 7
2. Capacity                 : 1600 pairs/8H
3. Power                     : 3HP
4. Net weight              : 1165kg
5. Oil pressure            : 50kg/cm2
6. Heating Power         : 1kw 
7. Oil Filling                : 115 liters 
8. Gross weight           : Be provided before shipment. 
9. Dimension               : 1750(L)x980(W)x1950mm(H)
10. Packing size            : 1860(L)x1030(W)x2160mm(H)

The TH-N737B 7 Pincers Hydraulic Automatic Toe Lasting Machine is a high-precision, fully hydraulic solution crafted to deliver unmatched performance, reliability, and flexibility in toe-lasting applications for the modern shoe manufacturing industry. Developed with advanced hydraulic mechanics, intelligent engineering, and user-centric design features, this machine is engineered to meet the growing demands of efficiency, consistency, and quality in footwear production.

TH-N737B

The TH-N737B represents the evolution of automation and precision in toe lasting technology. With a fully hydraulic operation system and a multitude of enhancements, the machine is designed not just to perform basic toe lasting but to do so with meticulous precision, remarkable repeatability, and customizable versatility. It is particularly well-suited for shoe factories producing varied styles, including those with unique toe cap shapes and specialty requirements. At the core of its design philosophy is productivity with accuracy. Every mechanical and functional detail of the TH-N737B is focused on delivering seamless operation, minimizing human intervention, and achieving high throughput with minimal downtime. This makes the machine a preferred choice for medium to large-scale production environments where consistency and output quality are crucial.

Fully Hydraulic Operation for Maximum Efficiency

The backbone of the TH-N737B is its fully hydraulic operation system, which ensures steady force, uniform motion, and high responsiveness throughout the entire process. Unlike mechanical systems that may degrade or fluctuate under load, a hydraulic system provides repeatable motion with precise control over every movement, ensuring consistent results with each shoe processed. Hydraulic systems also provide smoother and quieter operations, reducing vibrations and improving workplace ergonomics. This becomes crucial in maintaining product quality, especially when dealing with delicate materials or detailed designs.

Precision Adjustments with Digital Accuracy

One of the standout features of the TH-N737B is its digitized position indicator for both the rising stop point and drafting stop point of the newly designed last support. This level of adjustment precision, accurate to 0.1 millimeters, is crucial for ensuring the upper material is correctly stretched and positioned, regardless of shoe type or size . These externally located adjustment knobs allow operators to modify machine behavior on the fly without interrupting production. This results in faster transitions between different shoe models and reduced machine downtime, thus boosting overall productivity. With digital position readouts, operators gain immediate visual feedback and confidence that settings are correct, reducing human error and increasing the repeatability of results across production batches.

Centralized Control Panel for User-Friendly Operation

Ease of use is a defining characteristic of the TH-N737 B. All function and selection switches are centrally controlled, providing a simplified interface that minimizes the learning curve for new operators and improves workflow efficiency for seasoned workers. Whether setting up a new production run or adjusting parameters for different shoe models, the centralized panel enables quick access to critical functions without the need to navigate complex menus or make manual machine adjustments. This design philosophy streamlines operations and ensures the machine can be operated effectively by a wide range of personnel with varying technical skills.

Customizable with Auxiliary Equipment

Understanding that each production facility has unique needs, the TH-N737B offers optional auxiliary binder and wiper body installations. These add-ons can be incorporated based on the factory's specific toe lasting requirements or shoe designs. The auxiliary binder aids in holding and aligning the upper material more precisely before lasting, reducing slippage, and improving accuracy. Meanwhile, the auxiliary wiper enhances the smooth wrapping of material around the last, further improving the shoe’s finish and overall appearance. Such modular capability makes the TH-N737B a future-ready investment, allowing factories to scale or customize their production line without having to overhaul their existing equipment.

Intelligent Pincer Mechanics for Complex Designs

While many tooth-lasting machines rely on fixed pincer mechanisms, the TH-N737B introduces a new level of pincer adaptability tailored to a wide variety of shoe designs:

• Seven finely adjustable pincers work in coordination to stretch the upper material smoothly over the last and secure it in place with consistent pressure.

• The middle pincer features a yawing mechanism, capable of swinging 15 degrees left or right, depending on the toe cap shape. This is particularly useful when dealing with asymmetric designs or specialty shoes, where traditional straight-pulling pincers might cause material deformation.

• The fifth pincer includes an inward rotation function, allowing it to pull material toward the center at a custom angle. This enhances the upper’s conformance to the last’s contours, especially in areas that typically present challenges like tight toe boxes or sculpted toe designs.

The collective effect of these advanced pincer functionalities is the ability to achieve higher accuracy and a more uniform finish across a broader range of shoe styles.

Toe Cap Correction Made Easy with Align Light

One of the operational challenges in the lasting is ensuring that the upper aligns perfectly with the toe cap. Misalignment can lead to product rejections and material waste. To address this, the TH-N737B comes equipped with a toe cap alignment light device. This feature projects a visual guide onto the shoe surface, helping operators place the toe cap with pinpoint accuracy before initiating the lasting process. This visual aid significantly reduces errors and helps maintain a high standard of product quality, even when transitioning between different shoe sizes or shapes. The alignment light also reduces the dependency on skilled operators, allowing newer staff to perform complex lasting operations with greater confidence and consistency.

Adjustable Toe Pusher and Wiper Movement

The toe pusher mechanism in the TH-N737B is designed with dual-stage pressure adjustment, giving operators fine control over the pressure applied during the lasting process. The initial pressure can be configured using two methods—pressure control or position control—depending on the materials used or the specific shoe design. This dual-pressure mechanism ensures that sensitive materials are not overstressed during the initial pusher contact, while still applying firm and secure pressure in the final phase to achieve a tight, well-shaped toe. In addition, the wiper's forward movement is controlled with a stepless variable speed setting. This allows operators to adjust the speed of the wiper motion without discrete increments, making it easier to fine-tune the process for different types of leather, fabric, or synthetic uppers.T ogether, these features ensure that every movement is optimized for speed, pressure, and angle, minimizing the risk of deformation and maximizing the quality of the toe's lasting.

Stable Build and Compact Footprint

Despite its high functionality, the TH-N737B is built with a relatively compact footprint, enabling it to fit into most factory floors without the need for excessive space or infrastructure upgrades. Its robust structure supports high-volume production while maintaining operational stability. The machine is solidly constructed with industrial-grade materials that withstand long hours of operation and resist wear. Internal components are engineered for durability and low maintenance, reducing lifecycle costs and improving total return on investment for manufacturing facilities.

High Productivity Output

Engineered for efficiency, the TH-N737B can process up to 1600 pairs of shoes within an 8-hour shift, making it a high-throughput solution for demanding production lines. This level of output is achieved not just through mechanical speed but through intelligent design features that minimize downtime, reduce material errors, and optimize each cycle for peak performance. When integrated into a larger production ecosystem, the TH-N737B contributes significantly to operational throughput, enabling companies to meet tight deadlines, scale production quickly, and maintain consistent product quality across large batches.

Optimized for Versatility in Shoe Manufacturing

The TH-N737B is not just a one-size-fits-all machine. It is optimized to handle a wide variety of footwear types, including:

• Dress shoes with narrow, sculpted toe caps

• Casual shoes with soft uppers

• Sports shoes with reinforced materials

• High-end fashion shoes with delicate or asymmetrical designs

Its range of adjustability in pincer angles, toe pusher pressures, and wiper speeds makes it suitable for handling both traditional and innovative shoe designs with equal precision.

Energy and Cost Efficiency

Though powerful and fast, the TH-N737B is also designed with energy efficiency in mind. Its 3HP motor and 1kW heating element provide the necessary operational power without unnecessary energy waste. The hydraulic oil system, holding up to 115 liters, is optimized for performance and longevity, reducing the need for frequent maintenance and fluid replacement. These energy-saving features contribute to lower operational costs over time, making the TH-N737B not only a high-performance choice but also a cost-effective investment for shoe manufacturers.

The TH-N737B 7 Pincers Hydraulic Automatic Toe Lasting Machine is the embodiment of precision engineering, intelligent automation, and flexible design. From its fully hydraulic operation system to its advanced pincer adjustments and digital feedback mechanisms, every component is built to deliver superior performance in today’s competitive footwear manufacturing industry. Whether you’re producing designer shoes, athletic footwear, or custom models, the TH-N737B gives you the tools to maintain high standards, accelerate production, and adapt quickly to changing product lines. With its combination of high output, modular customization, and exceptional repeatability, it stands as a future-proof solution for any forward-thinking shoe manufacturing operation.