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About wood veneer roller glue spreader

Types of Wood Veneer Roller Glue Spreaders

A glue spreader for wood veneer comes in multiple types to cater to various veneer applications. The following types of the wood veneer glue spreader are the most popular across the veneer-spreading industry.

  • The Roller Glue Spreader: This classic glue spreader works by spreading glue equally on the veneer of wood surfaces. The machine usually features a cylindrical metal roller with glue-applied rollers. Operators place the veneer on the glue-coated roller to achieve even adhesive application. Roller spreaders work best with smaller wood pieces like edging or laminated boards. Also, they excel when using specific adhesive types, such as PVA or contact cement. The advantage of using roller glue spreaders is that they reduce glue waste and drying times.
  • The spray adhesive spreader: This wood veneer spreader uses a spray can to suspend adhesives or atomized adhesives directly onto the surface of a substrate or veneer. It can be either a manual trigger-controlled unit or an automatic model that utilizes spray nozzles. The automatic version is often utilized in high-production situations where the requirement for glue is limited, and the need for fast production is high. Spray veneer spreaders tend to be less wasteful and more efficient than the roller type. This is because they apply thin layers of glue. Users can achieve a blemish-free surface when using this spreader type.
  • The airless adhesive spray (air-assisted spray): It is a modern alternative to roller coating applications. It employs the use of an airless spray pump that creates a fine mist of adhesive. This mist applies a consistent layer of glue when the adhesive is sprayed from a gun fitted with a dedicated spray tip. The tip changes the adhesive into a spray pattern of varying sizes that is adjustable to suit the application needs. This spreader works excellently for large areas or irregular shapes. It is recommended for use when handling water-based or solvent-based adhesives.
  • The roller conveyor spreader: This type of machine uses one or two rollers for gluing. The workpiece is placed on a conveyor belt and passed over a glue-coated roller, ensuring consistent and efficient glue application. The spreader can be operated manually or automatically, depending on the specific model used. While this roller offers flexibility and time-saving solutions, it can sometimes be less accurate than other spreading methods. To achieve optimal results when using the roller conveyor, operators should ensure that the glue application is set to the right thickness.

Specifications and Maintenance of Wood Veneer Roller Glue Spreader

Specifications

  • Applicable materials: Different types of adhesive materials such as aqueous, oily, hot melt adhesive, etc.
  • Glue viscosity: The viscosity range is measured in millipascals (mPa·s). Some glue spreaders are suitable for low-viscosity liquids (e.g., water, milk), while others are designed for high-viscosity liquids (e.g., honey, syrup).
  • Glue width: The spreader can spread the glue in a certain width range, which is usually an effective spreading width. For example, glue spreaders for furniture making usually have spreading widths of about 1200mm.
  • Roller material: The material of the roller affects the spreading effect and durability. Common materials include rubber, nylon, etc.
  • Motor power: This is the power rating of the motor that drives the spreader, usually measured in kilowatts (kW) or watts (W).
  • Veneer thickness: The thickness of wood veneers usually comes in a thickness range of between 0.3mm and 5mm. Different spreaders are suitable for different veneer thicknesses.
  • Machine Size: The length, width, and height of the spreader machine are its physical dimensions, which determine the occupied area and space requirements.
  • Glue amount control: The spreader can adjust the amount of glue applied, usually involving parameters such as thickness, accuracy, and range.

Maintenance

  • Clean: Regularly clean the glue spreader to remove glue residue and dirt. Use clean water and detergent for cleaning, and make sure to clean every corner.
  • Lubrication: Ensure that each lubrication part of the wood veneer glue spreader is well lubricated. Apply appropriate lubricant to reduce friction and wear. Lubricant should be suitable and regularly checked to ensure there is no accumulation of dirt or residue on lubrication points.
  • Safety check: Regularly check the safety devices and components of the glue spreader to ensure they are in proper working condition. This includes checking safety covers, emergency stop switches, etc., and timely repairing or replacing them if they are damaged to ensure user safety during operation.
  • Calibration: If the glue amount of the glue spreader needs to be adjusted, the amount of glue should be recalibrated after adjustments to ensure accurate and uniform glue application. Follow the operating manual to perform relevant calibration.
  • Dustproof and waterproof: Keep the glue spreader away from dust and moisture. Ideally, it would be best to use an appropriate dust cover and rain shield to protect the spreader from environmental damage.
  • Regular maintenance: Schedule regular maintenance for the glue spreader, including inspecting and repairing key components to ensure it remains in good working condition. During maintenance, check for loose, worn, or damaged parts and promptly repair or replace them as needed.

Scenarios of wood veneer roller glue spreaders

Spreaders are used many times to apply adhesives to veneered components. They are commonly used in the plywood, particle board, and MDF industries. Therefore, consistent adhesive application results in lower glue consumption, higher production rates, and less time spent on post-processing.

Roller spreaders are used to glue solid wood to core material edging and combining techniques in cabinetry, furniture making, and custom architectural millwork. They are frequently used in conjunction with hot melt glue for hot glue roll timing systems where the hot glue is applied to the substrate using the roller spreader, but other adhesives can also be used.

Roller spreaders efficiently apply adhesive for veneering operations and are highly useful when doing multiple veneers with various surface coverings. They also provide a uniform adhesive application for other veneering operations where uneven surfaces may be present. This includes plywood, MDF, particleboard, fiberboard, and blockboard.

Glue spreaders may also be used in assorted woodworking and carpentry projects where other adhesive applications may be required. This includes the decorative surfacing of laminate veneers where large-scale projects are at hand. They are highly applicable in working with plywood, faux wood, and other veneering surfaces where solid wood's appearance and laminate's durability are required. Another primary use includes edge banding applications where spreaders may be used to apply adhesive to the raw edges of boards or substrates before applying laminate or veneer.

Overall, roller spreaders offer an efficient and economical solution for applying adhesive over large areas and veneers. It is always recommended to read the manufacturer's instructions and safety precautions before using any glue spreader or adhesive.

How to choose wood veneer roller glue spreaders

  • Glue application width:

    Attention should be paid to the overall width of the glue application, and appropriate glue spreaders should be selected according to the customer's specific work requirements and board width to ensure efficient glue application.

  • Glue type compatibility:

    Different glue spreaders are suitable for different types of adhesives, such as water-based, solvent-based, or oil-based adhesives. Customers need to ensure that the spreader they choose is compatible with the adhesive they plan to use to achieve optimal adhesive application and avoid any potential equipment damage or malfunction.

  • Machine feeding direction:

    It is also important to ensure that the feeding direction of the glue spreader matches the feeding direction of the customer's processing equipment. This is crucial for smooth adhesive application and subsequent processing steps.

  • Veneer roller material:

    Glue spreaders come with different roller veneer materials, such as rubber or foam. Each material has its advantages and suitable applications. Customers can choose the roller veneer material that best suits their needs and use environment.

  • Machine size and weight:

    The size and weight of the glue spreader should be considered, as it needs to be properly mounted and integrated into the customer's existing processing line.

  • Electrical requirements:

    Customers need to ensure that the electrical requirements of the glue spreader match their electrical system. This includes voltage, current, and other relevant electrical parameters to ensure proper functioning and safety.

Wood veneer roller glue spreader Q&A

Q1: What are the trends of the wood veneer glue spreader market?

A1: The growing demand for engineered wood products, coupled with the trend toward automation in woodworking industries, is driving the adoption of glue spreaders. Moreover, the shift toward eco-friendly production methods that reduce wastage and improve efficiency fuels the wood veneer glue spreader market.

Q2: How many times can wood glue spreaders be used before they dry out?

A2: Generally, users can apply the wood veneer glue spreader three to five times. It is better to spread a thin layer of glue on the surface and the bottom of the spreader to prolong its lifespan.

Q3: Is there a difference between glue spreaders and glue distributors?

A3: Glue spreaders are tools used to evenly apply adhesive to a surface, while glue distributors are machines designed to distribute adhesive uniformly in a controlled manner, often used in industrial applications. Glue rollers are typically used in smaller scale or manual processes, whereas glue distributors can be integrated into larger manufacturing workflows.

Q4: Can users apply glue with a spreader in any direction?

A4: Yes, generally, after applying the adhesive with a spreader, it can be drawn in any direction. However, spreading the adhesive in one direction is preferable to controlling the quantity and ensuring better adhesion while reducing the risk of glue seams showing through finished products.

Q5: How should users clean the glue spreader after application?

A5: Cleaning the glue spreader promptly after use is crucial to maintain its functionality. Users should remove excess glue back into the container. Then, depending on the type of adhesive, they can use water, solvent, or cleaner to wipe or wash the spreader thoroughly. Finally, dry the spreader and store it properly.