MACHINE NAME: HOT MELT ADHESIVE COATING MACHINE  

MODEL NO: TH-118

BRAND: TENGHONG

FEATURES

• Suitable for any natural glue and water-based glue.
  
• The operation barrel is simple, spraying is uniform, and the spray area and glue amount can be adjusted.
• Save glue, electricity and manpower, improve quality and quality, and reduce costs.
• It is widely used in shoe upper wrapping, pullovers, suitcases, bags, belts and various leather manufacturing industries.

TECHNICAL PARAMETER

• Model                              : TH-118
• Productivity                     : 1800pairs/8H
• Power                              : 1.75kw
• Voltage                            : 380V
• Dimension                        : 880x700x1250mm

The Hot Melt Adhesive Coating Machine (Model TH-118) represents an advanced solution in the field of adhesive application technology. Designed to meet the rigorous demands of diverse manufacturing industries, this machine combines innovative engineering with user-friendly operation to deliver consistent, high-quality adhesive coating performance. Hot melt adhesives have become an essential component in modern manufacturing due to their fast curing times, strong bonding properties, and environmental advantages such as low VOC emissions. The TH-118 machine leverages these benefits with a state-of-the-art delivery and melting system, ensuring precision, reliability, and efficiency. Whether your industry involves footwear, packaging, textiles, or electrical appliances, this coating machine streamlines your production with clean, stable, and fast adhesive application.

Advanced Features

The TH-118 Hot Melt Adhesive Coating Machine is distinguished by multiple engineering innovations and design features that elevate its performance beyond conventional adhesive applicators. Below is a detailed breakdown of its key features:

Unique Glue Delivery System Isolated from Air and Fluorine

A critical challenge in adhesive application is maintaining the purity and quality of the adhesive material throughout the delivery path. Exposure to air and reactive substances such as fluorine can cause oxidation and degradation of the glue, resulting in reduced bonding performance, nozzle clogging, and inconsistent coating thickness. The TH-118 is equipped with a uniquely engineered glue delivery system that completely isolates the glue path from contact with air and fluorine. This airtight design preserves the adhesive’s chemical integrity and physical properties from the moment it melts until it is applied. The result is a consistently high-quality adhesive film with reduced risk of defects or breakdown.

Two-Stage Filtration System to Reduce Nozzle Clogging

Nozzle clogging is a common operational problem in hot melt adhesive equipment, often caused by contaminants, unmelted particles, or adhesive degradation. Clogs can disrupt production flow, reduce coating quality, and increase maintenance costs. This machine incorporates an advanced two-stage filtration system, which first filters the melted adhesive in the barrel and then again just before the nozzle. This dual filtration effectively removes impurities and larger particles, significantly reducing clogging incidents and ensuring a smooth, uninterrupted adhesive flow. The filtration also contributes to longer nozzle life and consistent spray patterns.

Teflon-Treated Glue Barrel for Efficient Melting and Carbonization Prevention

The glue barrel of the TH-118 is coated with a specialized Teflon treatment, an industry-leading surface modification that offers several advantages:

• Rapid Melting: The non-stick surface enables solid hot melt glue sticks or pellets to melt quickly and uniformly, reducing warm-up time and improving energy efficiency.

• Reduced Carbonization: Carbon buildup on the barrel or inside the machine can cause glue degradation, clogging, and inconsistent application. Teflon’s chemical resistance minimizes carbonization, preserving adhesive quality and reducing cleaning frequency.

• Easy Cleaning: The smooth surface also facilitates easier cleaning and maintenance.

This feature directly enhances the machine’s operational stability and longevity, ensuring consistent performance across long production runs.

Compatibility with Various Hot Melt Glue Types and Shapes

Flexibility in adhesive material compatibility is vital for a machine intended for wide industrial applications. The TH-118 can handle a broad spectrum of hot melt glues, including:

• Solid sticks

• Pellets

• Granules

• Custom-shaped adhesive materials

This capability allows manufacturers to select the adhesive best suited to their product specifications, whether focusing on flexibility, bonding strength, drying time, or environmental considerations.

Powerful, Fast, Stable, and Even Spray Force

The application process requires precise control over the spray force to ensure even coating without splattering, dripping, or uneven distribution. The TH-118 is engineered to deliver a powerful yet finely controllable spray force, which enables:

• Rapid adhesive application to meet high-volume production demands.

• Consistent film thickness, improving product quality, and bonding reliability.

• Stable spray pressure that maintains performance even during extended operational periods.

Easy and Precise Coating Range Operation

Ease of operation is critical in minimizing training time and operational errors. This machine provides intuitive controls and adjustable parameters that make it simple to regulate the adhesive coating range. Operators can tailor the coating width and thickness to specific production requirements, optimizing material use and ensuring product quality.

Industry Applications

The TH-118 Hot Melt Adhesive Coating Machine is a versatile tool suitable for numerous manufacturing sectors. Its design accommodates a wide range of product types and production scales, enhancing efficiency and quality control in multiple industries.

Footwear Industry

Footwear manufacturing demands precise adhesive application for assembling shoe uppers, soles, linings, and other components. The machine’s compatibility with various hot melt glues allows manufacturers to select adhesives for flexibility, water resistance, or durability. The even spray ensures strong bonding without glue wastage, improving production throughput and product lifespan.

Packaging Sector

Packaging applications often require strong and fast adhesive application for sealing cartons, cartons, labels, and flexible packaging materials. The machine supports rapid coating with stable pressure, minimizing adhesive waste and enhancing seal integrity. Its adaptability for different glue types suits varied packaging substrates, including paper, cardboard, and plastics.

Woodworking Industry

In woodworking, adhesives bond veneer, panels, moldings, and more. The TH-118’s precision spray prevents over-application and glue pooling, reducing post-assembly clean-up and defects. The filtration system prevents nozzle clogs that could disrupt the bonding process, ensuring smooth operations in cabinetry, furniture, and panel production.

Textile Industry

For bonding textiles, nonwovens, or composite fabrics, the machine provides consistent adhesive application without damaging sensitive materials. Its fast-melting and stable spray allows for efficient production of bonded fabrics used in apparel, upholstery, and industrial textiles.

Toy Manufacturing

Toys require secure assembly, often involving multiple materials such as plastics, fabrics, and foam. The TH-118 ensures reliable bonding with an even adhesive coat, meeting strict safety and quality standards.

Leather Goods

Leather products like bags, wallets, and belts benefit from the machine’s ability to apply uniform adhesive layers without excess or leakage. This preserves product appearance and strengthens component adhesion.

Sanitary Products

In manufacturing sanitary items such as diapers or wipes, adhesives are critical for assembling layers securely. The fast and stable coating offered by the TH-118 supports high-speed production without compromising product integrity.

Electrical Appliances

Electrical appliance assembly often includes bonding insulation materials, seals, or components where a uniform adhesive coating is essential. This machine supports the required precision and consistency for such delicate applications.

Technical Parameters and Specifications

The TH-118 is engineered to meet industrial standards for performance, durability, and safety:

• Model: TH-118

• Weight: 40 kg – robust yet portable enough for flexible manufacturing environments.

• Voltage: 220V at 50/60Hz, compatible with standard industrial power supplies worldwide.

• Power Consumption: 2.8 kW, balancing efficient heating and melting with energy conservation.

• Operating Temperature: Up to 250℃, providing sufficient heat to melt various hot melt adhesives without degradation.

• Dimensions: Compact footprint at 370mm (width) x 550mm (depth) x 850mm (height), allowing easy integration into production lines.

• Melt Speed: 5 kg/h, suitable for medium to high volume adhesive application tasks.

Operating Principle and Workflow

Understanding the machine’s working principle helps operators optimize performance and maintenance:

• The machine’s glue barrel is loaded with solid adhesive (sticks, pellets, etc.).

• The Teflon-treated barrel heats up to the preset temperature (up to 250℃), melting the adhesive uniformly.

• The melted glue passes through the two-stage filtration system, removing impurities and ensuring a clean, smooth flow.

• The sealed glue delivery system directs the molten adhesive through the nozzle, isolated from air and fluorine exposure.

• The operator adjusts the spray force and coating width as needed, applying an even layer of adhesive to the product surface.

• The powerful spray ensures rapid and stable glue application, enhancing bonding efficiency.

Operational Benefits

The TH-118 delivers tangible benefits to manufacturing operations:

• Consistent Adhesive Quality: Airtight delivery and filtration prevent oxidation and clogging, resulting in high-quality adhesive films.

• Reduced Downtime: Fewer nozzle clogs and easier cleaning translate into longer operational periods without interruption.

• Energy Efficiency: Quick melting and controlled heating minimize energy waste.

• Versatility: Wide glue type compatibility and adjustable coating range increase production flexibility.

• Improved Product Quality: Stable spray force and precise application reduce defects, improve bonding strength, and enhance final product appearance.

• Safety: Insulated delivery paths and temperature control reduce operator risk and environmental impact.

Maintenance and Cleaning

Regular maintenance is vital for machine longevity and performance:

• Daily Cleaning: Remove residual glue from the nozzle and barrel surface after use to prevent buildup.

• Filter Checks: Inspect and clean the two-stage filters regularly to maintain flow efficiency.

• Temperature Control Inspection: Verify temperature settings and sensor calibration for accurate heating.

• Mechanical Inspection: Check for wear or damage to seals, nozzles, and electrical components.

• Teflon Surface Care: Avoid abrasive cleaning tools to preserve the non-stick coating.

Safety Guidelines

Operator and environmental safety are prioritized through:

• Use protective equipment such as gloves and goggles when handling hot adhesives.

• Ensure proper ventilation during heating to avoid inhalation of fumes.

• Following electrical safety protocols to prevent shocks or fire hazards.

• Training operators in emergency procedures and proper machine use.

Industry Case Studies

Footwear Manufacturer

A large footwear manufacturer implemented the TH-118 machine to replace manual adhesive application for shoe uppers. The machine’s precise spray and rapid melting improved bonding strength, reduced glue waste by 30%, and decreased production time by 20%, leading to substantial cost savings.

Packaging Plant

In a carton sealing operation, the TH-118’s even coating and two-stage filtration minimized nozzle clogging, reducing downtime by 40%. The machine’s fast melt speed supported high-speed packaging lines, increasing throughput and improving seal reliability. The Hot Melt Adhesive Coating Machine (TH-118) stands out as an innovative, reliable, and efficient solution for modern adhesive application needs. Its unique design elements, including airtight glue delivery, advanced filtration, Teflon-coated barrels, and powerful spray capabilities, combine to provide exceptional coating quality across a wide range of industries. Whether used in footwear, packaging, woodworking, textiles, or other manufacturing sectors, this machine offers versatility, durability, and precision to enhance productivity and product quality. The TH-118 is an investment that streamlines production processes, reduces operational costs, and supports sustainable manufacturing practices.