Here is a detailed introduction for you:

Edge banding printing process

1. gravure printing

Principle: The graphic and textual parts of the printing plate are lower than the blank part. After applying ink on the plate, use a scraper to scrape off the ink in the blank part, leaving only the ink in the graphic and textual parts. Then transfer the ink to the surface of the edge banding strip through pressure.

• Features: High printing quality, thick ink layer, bright colors, strong layering, suitable for printing high-precision, high-quality patterns, such as complex patterns resembling wood grain, marble grain, etc. Fast printing speed, suitable for large-scale production. However, gravure plate making has high costs and long cycles, making it unsuitable for short plate printing.

2. Flexographic printing

Principle: Use a flexible printing plate with elasticity, transfer ink to the plate through a mesh roller, and then transfer the ink to the surface of the edge banding strip. Printing plates are usually made of rubber or photosensitive resin.

• Features: The device has a simple structure and relatively low cost. Low printing pressure, strong adaptability to edge banding materials, and can be used for printing edge banding of different materials and thicknesses. However, the printing accuracy is relatively low compared to gravure printing, making it suitable for printing edge banding with low precision requirements and relatively simple patterns, such as solid colors or simple textured patterns.

3. Offset printing

Principle: Using the principle of oil-water repulsion, the graphic and textual parts on the printing plate are hydrophilic to oil, while the blank parts are hydrophilic to water. First, apply water to the printing plate to make the blank part absorb water, then apply ink. The ink only adheres to the graphic and text parts, and then transfer it to the surface of the edge banding strip through a rubber blanket.

• Features: High printing quality, able to accurately reproduce the colors and layers of the original manuscript, suitable for printing fine patterns and text. Fast printing speed, suitable for mass production. However, offset printing requires high adaptability to ink and paper, and relatively strict surface treatment requirements for edge banding.

4. Digital printing

Principle: Through computer control, ink or ink is directly sprayed onto the surface of the edge banding, and printed according to the preset pattern. No need for plate making, directly convert digital files into printed images.

• Features: High flexibility, can achieve personalized customized printing, no plate making cost, suitable for small batch and multi variety production. The printing speed is relatively slow and the cost is high, but with the development of technology, the cost gradually decreases. Capable of quickly responding to market demand, with a short production cycle and the ability to adjust printing patterns and content in a timely manner.

Edge banding and roll up

1. Roll up equipment

Ordinary winding machine: The structure is relatively simple, mainly composed of unwinding device, traction device, winding device, etc. By driving the motor and controlling the winding speed and tension, the printed edge banding strip is wound onto the spool. Suitable for production scenarios with low requirements for winding accuracy.

Automatic tension control rewinder: equipped with advanced tension sensors and control systems, capable of real-time monitoring and adjustment of tension during the rewinding process. Ensure that the edge banding maintains a constant tension during the winding process, avoiding issues such as inconsistent tightness and wrinkling, and improving the quality of winding. Widely used in production with high requirements for product quality.

2. Preparation before winding up

Check printing quality: Conduct a comprehensive inspection of the printed edge banding to check whether the pattern is clear, the color is uniform, and there are no issues such as missing prints or ghosting. Timely handle or remove non-conforming products.

Clean the surface of the edge banding strip: Remove dust, debris, and other impurities that may have been contaminated on the surface of the edge banding strip during the printing process, ensure that the surface of the edge banding strip is clean and tidy after winding, and avoid impurities affecting the quality of winding and subsequent use.

3. Rolling process

Adjust tension: Set the appropriate winding tension based on factors such as the material, thickness, and width of the edge banding strip. During the winding process, the automatic tension control winding machine can automatically adjust the tension according to the actual situation, ensuring that the edge banding is tightly and neatly wound.

Control speed: The winding speed should match the printing speed, maintain a stable operating speed, and avoid speed fluctuations that may cause uneven winding of the edge banding strip. At the same time, attention should be paid to the start and stop operations during the winding process to avoid damage to the edge banding caused by sudden speed changes.

• Neat winding: During the winding process, a guiding device is used to ensure that the edge banding is accurately wound onto the reel, avoiding situations such as deviation and misalignment. At the same time, attention should be paid to the concentricity of the scroll to ensure that the edge banding strip after winding has a neat and round appearance.

4. Post roll processing

• Packaging: Wrap the rolled edge banding with materials such as plastic film or kraft paper to prevent damage during transportation and storage. At the same time, indicate the specifications, model, quantity, production date and other information of the product on the packaging for easy identification and management.

• Storage: Store the packaged edge banding in a dry, well ventilated warehouse to avoid moisture, heat, and direct sunlight. The temperature and humidity of the storage environment should be relatively stable to prevent deformation and fading of the edge banding due to environmental factors.