MACHINE NAME: 9 PINCERS COMPUTER MEMORY CONTROL AUTOMATIC TOE LASTING MACHINE 

MODEL NO: TH-N738A

BRAND: TENGHONG   

FEATURES

• This machine uses an encoder to control the knot method, and has a shoe shape memory function.
• The first pincer and the second pincer are the newly designed high speed replacement structures, every pincer can complete reloading in five seconds quickly changing the pincer without using tools.
• 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 indicator, with a precision up to 0.1mm, which is the most accurate repeatability.
• There are two speed-changing modes to choose when the last supporter is rising, it can improve the efficiency of production, especially for the fragile vamps.
• The machine can be installed additionally with the auxiliary wiper and automatic cementing mechanism according needs.

TECHNICAL PARAMETER

1. Pincers                   : 7
2. Capacity                 : 1600 pairs/8H
3. Oil Pressure            : 50Kg/cm2
4. Power                     : 3HP
5. Net weight              : 1155kg
6. Oil Filling                : 115 liters
7. Heating Power         : 2kw 
8. Gross weight           : Be provided before shipment. 
9. Dimension               : 1750(L)x980(W)x1950mm(H)
10. Packing size            : 1860(L)x1030(W)x2160mm(H)

In today’s highly competitive footwear manufacturing landscape, the demand for precision, speed, and automation is at an all-time high. Manufacturers require machines that not only deliver consistent performance but also offer intelligent features to minimize manual intervention, enhance repeatability, and reduce production downtime. One such remarkable piece of engineering that stands tall in this regard is the TH-N738A 9 Pincers Computer Memory Control Automatic Toe Lasting Machine. Engineered with cutting-edge technology, the TH-N738A is designed to meet the modern-day demands of medium to large-scale footwear production facilities. From its advanced encoder-controlled bonding mechanism to its rapid tool-free pincer replacement system, every detail of this machine has been crafted for peak performance, operational flexibility, and maximum output. This comprehensive description explores every aspect of the TH-N738A, including its features, benefits, technological advancements, and performance capabilities.

Advanced Encoder-Controlled Bonding System

One of the most noteworthy highlights of the TH-N738A is its encoder-based bonding control system. By utilizing a high-precision encoder, the machine provides an advanced level of automation and accuracy, ensuring uniform bonding across all shoe sizes and materials.

The encoder functions as the brain of the bonding mechanism, capturing real-time positional feedback to regulate and control the bonding process with incredible precision. This results in:

• Consistent bonding pressure throughout the process

• Minimal variance across different shoe sizes and types

• Improved production reliability and quality assurance

• Enhanced adaptation for different types of uppers and soles

With such an encoder-driven system, the TH-N738A eliminates guesswork and ensures that every shoe toe is formed with impeccable accuracy.

Computerized Shoe Type Memory Function

Another stand-out feature is the built-in shoe type memory function. The TH-N738A is capable of storing and recalling previously used settings for different shoe styles, making it extremely convenient for operators managing a wide range of products.

Instead of manually adjusting settings each time a new design is introduced, users can simply select a preset configuration. This functionality greatly enhances productivity and minimizes downtime due to setup and calibration.

The memory function supports:

• Multiple shoe profiles and style configurations

• Quick recall of the last used parameters

• Reduced training time for operators

• Less risk of operator errors during changeover

This computerized memory capability makes the TH-N738A a smart addition to production lines that handle frequent model switching.

Innovative Quick-Change Pincer System

When it comes to tooling, the precision and functionality of the pincers are critical. The TH-N738A introduces a newly designed first and second pincer structure, built specifically for high-speed replacement.

What sets this system apart is that each pincer can be reloaded and replaced in under five seconds. This ultra-fast tool change capability is achieved without requiring any tools, which means operators can swiftly adapt the machine to new tasks with minimal interruption.

Benefits of this quick-change pincer system include:

• Unmatched flexibility in time-saving operations

• Drastically reduced downtime between batches

• Tool-free operation ensures operator safety and ease

• Enhanced production flow for diverse shoe styles

With nine pincers working in tandem, the machine ensures uniform and symmetric toe lasting with high-speed responsiveness.

High-Precision Last Supporter with Digital Indicator

Toe lasting quality heavily depends on the correct positioning and pressure exerted by the last supporter. The TH-N738A excels in this area by offering a digitally enhanced last supporter mechanism.

The last supporter has been entirely redesigned to allow for quick and external adjustments of the rising stop point and the drafting stop point. These adjustments can be made rapidly during operation without dismantling or interrupting the system.

What truly sets this mechanism apart is its digitized position indicator that offers an exceptional precision of up to 0.1mm. This level of repeatable accuracy ensures:

• Perfect alignment and contouring of the toe area

• Consistent output quality across production batches

• Elimination of manual measurement errors

• Faster adjustments during model changes

The digitally indicated settings help operators maintain consistency while reducing waste caused by human error.

Dual Speed-Changing Modes for Improved Efficiency

Recognizing that different shoe materials require varying handling approaches, the TH-N738A features two selectable speed-changing modes for the last supporter's rising action.

This dual-mode functionality allows operators to customize the machine’s behavior depending on the type of vamp being processed. For example:

• Fragile vamps such as those made of soft leather or synthetic materials benefit from a gentler and slower rising mode, reducing the risk of tearing or deforming the material.

• Durable or thicker vamps can be processed using the faster mode to increase throughput without compromising on quality.

This smart dual-speed system results in:

• Optimized production based on shoe material characteristics

• Increased protection for delicate uppers

• Efficient cycle times without sacrificing care and detail

Optional Auxiliary Wiper and Automatic Cementing Mechanism

For manufacturers seeking even higher levels of automation and production efficiency, the TH-N738A offers optional auxiliary wiper and automatic cementing mechanism installations.

These auxiliary systems further reduce manual labor and ensure consistent material handling, especially during the cementing phase of toe lasting. Key advantages include:

• Precise and uniform cement application for stronger adhesion

• Reduced operator fatigue and labor costs

• Improved productivity and product quality

• Seamless integration with existing production workflows

The optional enhancements make the TH-N738A even more versatile and capable of meeting the stringent demands of high-volume footwear production environments.

Technical Specifications and Production Capacity

In terms of raw performance, the TH-N738A doesn’t disappoint. Below is a detailed breakdown of its specifications:

• Model: TH-N738A

• Number of Pincers: 9

• Power Requirement: 2HP main motor with 1kW heating power

• Oil Pressure: 50 kg/cm² for stable and powerful hydraulic operation

• Oil Tank Capacity: 115 liters for extended operational periods

• Productivity: Capable of producing up to 1600 pairs in an 8-hour shift

• Net Weight: 1165 kg ensures machine stability during high-speed operation

• Voltage: 380V industrial standard

• Machine Dimensions: 1750mm (L) x 980mm (W) x 1950mm (H)

• Packing Size: 1860mm (L) x 1030mm (W) x 2160mm (H)

With such robust specifications, the TH-N738A is designed to handle large-scale manufacturing demands while maintaining precision and operational longevity.

User-Friendly Operation and Maintenance

Despite its advanced features, the TH-N738A maintains a user-friendly interface and ergonomic design. All critical controls are intuitively placed for easy access, while the real-time feedback systems offer clarity during operation.

The machine also minimizes downtime with features such as:

• Tool-free pincer replacement

• External adjustment knobs for key parameters

• Visual feedback via digital indicators

• Easy-to-clean surfaces and safe maintenance pathways

These thoughtful design elements ensure that even with limited training, operators can fully harness the potential of this machine in a short time.

Safety and Operational Integrity

Safety remains a top priority in any manufacturing environment, and the TH-N738A upholds this with its built-in safety mechanisms. The machine is engineered to operate under consistent oil pressure with advanced heat control to ensure a stable working environment.

Additional safety features include:

• Enclosed components to avoid exposure to moving parts

• Stable weight distribution to prevent operational wobble

• Emergency stop functions and overload protection

• Heat management systems to prevent overheating

These design enhancements promote not only operator safety but also machine durability.

Application Scope and Industry Suitability

The TH-N738A is suitable for a wide range of footwear types, including but not limited to:

• Formal shoes

• Sports shoes

• Boots

• Casual footwear

• Leather and synthetic materials

Thanks to its intelligent configuration memory, it can quickly adapt to new styles, making it ideal for manufacturers who produce diverse collections or operate in OEM environments.

Its speed, accuracy, and automation make it perfect for:

• Large-scale manufacturing plants

• Specialized shoe factories

• OEM/ODM production lines

• High-speed automated shoe assembly setups

The TH-N738A 9 Pincers Computer Memory Control Automatic Toe Lasting Machine stands at the forefront of modern shoemaking machinery. It delivers a compelling combination of speed, intelligence, and adaptability, tailored for today’s fast-paced production demands. Its encoder-controlled bonding, computerized memory for multiple shoe types, quick-change pincer system, and precision digital indicators collectively create an environment of automation and reliability that’s hard to match. The optional add-ons and dual-speed modes provide further flexibility, allowing the machine to handle a wide range of materials and shoe types with utmost care.