Cylinder screen printing technology is more and more widely used in the label and packaging printing markets that require high quality and good visual effects. The use of cylinder screen printing technology can achieve effects and other additional functions that cannot be achieved by other methods. Take the STORK roller screen printing machine as an example to introduce the roller screen printing technology and equipment. 1. Principles of cylinder screen printing and screen features The cylinder screen printing system is composed of a plurality of independent monochrome printing units, suitable for printing of various widths, and can make the synchronous production line get integrated intelligent control. In the Stoke cylinder screen printing system, the patented RotaMesh screen technology is adopted, which is a non-woven material made of 100% nickel by electroforming. The unique hexagonal structure can achieve excellent stability, allowing the screen to stretch arbitrarily in the printing of paper rolls of different widths. RotaMesh wire mesh has the following characteristics: â‘ 100% metallic nickel material; In addition, RotaMesh screen also has a high degree of standardization and stability; long service life, reusable, suitable for high-speed screen printing and high calibration accuracy advantages. 2. Stoke Plate Making System (RSI) The Stoke cylinder screen system can provide a simple plate-making system. Especially when short version production or temporary printing is needed, this system has completely independent, complete plate making quality and great flexibility. Since this system is installed indoors, its overall cost can even be reduced to that of existing printing forms. The process of making RotaMesh screen is as follows: Due to the unique photosensitive emulsion used in the RotaMesh process, the adhesive film on the screen is easily removed with a special release film and can be re-coated. This brings a lot of convenience to short live printing. Cylinder screen printing system Cylinder screen printing is today's economic and high-tech screen printing technology. The key technologies in cylinder screen printing are screen cylinders and printing systems. Cylinder screen printing system: 1) The combination of the Stoke cylinder screen printing system dryer and a printing unit with a width of 24 inches allows the production speed to reach 120 meters / minute. The structure of the cylinder screen printing machine is stable and durable, and the screen can be used repeatedly. It is suitable for printing a large number of products or frequently repeated products.
Chests of drawers have traditionally been made and used for storing clothing , especially underwear , socks, and other items not normally hung in or otherwise stored in a closet . They are usually placed in a bedroom for this purpose, but can actually be used to store anything that will fit inside and can be placed anywhere in a house or another place. Various personal sundry items are also often stored in a chest of drawers. It has a long history as one of the stand-bys of a carpenter's workshop. A typical chest is approximately rectangular in overall shape and often has short legs at the bottom corners for placement on the floor.
Chests of drawers often come in 5-, 6-, and 7-drawer varieties, with either a single or a double top drawer. The chest illustrated at right would be described as a '5 over 2 chest-on-chest', the latter term deriving from the fact that at one time it would have been made as 2 separable pieces. They are commonly made of wood, similar to many other kinds of furniture, but of course can be made of other materials. The inside of the drawers can be accessed by pulling them out at the front side. It is often placed so that the back side faces a wall since access to the back is not necessary. The lateral sides are also usually made such that they can be placed against a wall or in a corner. Although they can be plain in appearance, chests of drawers can also be made with a fancy or ornamental appearance, including finishes and various external color tones. Traditionally, drawers would slide out on smooth wood rails. Most modern cabinets use roll-out shelf sliders, made of metal, with rollers.
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â‘¡Non-fabric;
â‘¢ Electroforming manufacturing;
â‘£Hexagonal structure guarantees maximum stability;
⑤ The seam of the wire mesh is extremely smooth and perfect;
â‘¥ The smooth surface of the roller can reduce the plate wear;
⑦Cone mesh has ideal over-ink performance.
1. End ring connection. The left and right end rings of the welded cylindrical wire mesh are bonded to the mesh cylinder with an adhesive.
2. Skim. The silk screen is degreased before being coated with photosensitive resin.
3. Coating. Coat a layer of water-based photosensitive emulsion of STORK on the surface of the roller screen.
4. Dry. Dry the screen drum after degreasing and coated with photosensitive adhesive in the dryer.
5. Exposure. After the silk screen coated with the photosensitive emulsion is in close contact with the graphic film, it is exposed on the exposure device.
6. Development. Wash away the unexposed emulsion in the water.
7. Test. Check the quality of the screen before printing.
8. Peel the film.
2) The cylinder screen printing system generally has a simple and convenient work piece conversion control system, and the downtime for replacement work is very short. The equipment can achieve higher output.
The Stoke cylinder screen printing system includes:
â‘ Independent drive, independent register screen unit (installed on various cylinder printing equipment).
â‘¡ Roll to roll equipment, each unit is an independent system.
â‘¢ Roll to various post-processing equipment (such as cutting large sheets, roller die cutting, etc.).
Brief analysis of cylinder screen printing technology and equipment