Notes on using the seamless sleeve version
1. The seamless version must be used with the air-scaling shaft.
2. Choose the appropriate outer diameter of the gas expansion shaft. The outer diameter of the gas expansion shaft is determined by the repeated circumference of the printed product.
3. The outer diameter of the gas expansion shaft must meet specific parameter requirements.
4. If necessary, a transition sleeve can be used to change the outer diameter of the gas expansion shaft.
5. Transition sleeves can be divided into two types: hard sleeves and elastic sleeves. The elastic sleeve can not only change the outer diameter, but also reduce printing pressure. 6. Platemaking cycle: The platemaking time is 2 days when there is material inventory, and the time for ordering raw materials of different specifications is about 25 working days.
Seamless patch sleeve, also known as sleeve plate, it is more convenient than the patch sleeve, is directly carved on the sleeve of the seamless plate, which is somewhat similar to the gravure cylinder. With the development of computer direct plate making technology and laser engraving technology, the application of jointless patch sleeve is becoming more and more common, at present, there are many flexographic printing manufacturers in the use of jointless patch sleeve, but once you
pay attention to it, you will find that we are now using foreign jointless patch sleeve, the advantages of technology & long-distance transportation bring cost improvement.
Advantages Seamless version
1, plate material installation is simple, reduce machine adjustment time, reduce waste.
2, the registration accuracy is very high, no plate error, no double-sided tape thickness error
3, no tape and paste process, save time.
4, no Xiang phenomenon, uniform printing pressure, can improve the printing speed 5, save printing material 3%~10%(depending on the order).
Product Photos
Application
Other Products
Coating sleeve Patch Sleeve
Seamless rubber sleeve Rubber Roller
Conclusion
"Summary of Patch Sleeve" Patch sleeve is an important component used for mounting photosensitive resin plates. It has significant advantages. Compared with traditional metal plates, it is easier to load and unload, convenient for storage and has a low cost. According to the differences in surface materials, it can be divided into hard surface sleeves and soft elastic surface sleeves to adapt to different printing situations and requirements. However, traditional printing plate rollers made of steel or aluminum have many flaws. Due to their heavy weight, especially those with a large outer diameter, the energy consumption of the machines will increase significantly. This not only raises the energy cost but also leads to low loading efficiency of the printing equipment, affecting the overall production efficiency. Although attempts have been made to use foamed polyurethane or foamed synthetic rubber as a filling layer to reduce the weight, this has caused new problems,
such as insufficient structural strength, poor dimensional stability and pollution during the processing, which limit its further application and development. The seamless patch sleeve (also known as sleeve plate) shows greater advantages and potential. It is more convenient than the ordinary patch sleeve and is directly carved on the sleeve of the seamless plate, having a certain similarity with the gravure cylinder. With the progress of computer direct plate-making technology and laser engraving technology, the application of seamless patch sleeves has become more and more widespread. Many flexographic printing manufacturers have adopted them one after another. However, at present, most seamless patch sleeves used in China are imported from foreign countries. Although their technological advantages are obvious, the cost of long-distance transportation has increased the overall cost. In terms of specifications, the repeat circumference of the seamless version ranges from 254 to 2400 mm, the maximum printing width is below 5000 mm, and the engraving accuracy is as high as 10,160 dpi. These parameters provide a powerful guarantee for high-quality printing operations and can meet the needs of diverse printing tasks. They are of great value in fields such as packaging printing and label printing and are expected to play a greater role in the printing industry with the continuous improvement of technology and the advancement of the localization process, promoting the continuous development and progress of printing technology.
