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Rubber rollers are mainly used in papermaking, printing and dyeing, printing, food processing, metallurgy, plastic processing and so on.

* Natural rubber roller: Excellent elasticity and mechanical strength, good alkali resistance, used for pressing rubber rollers in textile, papermaking, leather, packaging and other equipment and traction rubber rollers in metallurgy, mining and other industries. * Nitrile rubber roller: excellent oil resistance, and wear resistance, aging resistance, heat resistance is also good, used in printing, printing and dyeing, chemical fiber, papermaking, packaging, plastic processing and other equipment and other contact oil and aliphatic hydrocarbon solvents the occasion. * Neoprene rubber roller: excellent abrasion resistance, high fire resistance, aging resistance, good heat resistance, oil resistance and acid and alkali resistance, used in printed board corrosion machines, plastics, leather, printing, food printing , General coating machine and other equipment. * Butyl rubber roller: high resistance to chemical solvents, good heat resistance (170 ℃), excellent acid and alkali resistance, suitable for color printing machinery, leather machinery, coating equipment, etc. * Ethylene propylene rubber roller: Excellent ozone aging resistance, weather resistance, wide operating temperature, long-term work at -65 ℃ -140 ℃, excellent insulation performance, used in plastic printing machinery, leather machinery, general fields. * Polyurethane rubber roller: It has very high mechanical strength and wear resistance, aging resistance and oil resistance. It is often used in papermaking, chemical fiber, wood processing, plastic processing and other machinery. * Silicone rubber cots: Utilizing its high temperature resistance, ozone resistance, chemical inertness and non-adhesion to plastics, it is used to process hot-adhesive products, such as polyethylene calendering, embossing, printing and dyeing, and coating adhesives for films and fabrics , plastic compounding, corona treatment and other machinery, and also used as release rollers and non-woven fabric manufacturing on sugar production and packaging machines. * Fluorine rubber roller: It has high heat resistance, oil resistance, acid and alkali resistance, air permeability, electrical insulation, aging resistance, flame resistance, wear resistance and other properties. It is also used in special coating equipment. * Carbon fiber roller: Light weight, high strength, high temperature resistance. It is used in special industries such as wide-format film. Edit this paragraph in the use of offset press cots should pay attention to six problems * The printing cots are mainly used to transfer ink on the offset press. Therefore, when cleaning the rubber roller, it must be cleaned carefully, otherwise, the surface layer of the rubber roller and the pigment and resin will be oxidized to form a smooth and hard film, which will cause the surface to vitrify and affect the ink transfer. If it is not cleaned frequently, the surface of the rubber roller will be uneven and not easy to use for a long time. Therefore, the rubber roller should be washed and put away for spare when the machine is shut down. * In the offset printing operation, the ink is emulsified due to "big water and big ink", which forms a hydrophilic foundation on the smooth rubber roller to deink it. The solution is to shovel off the emulsified ink, wash the deinking rubber roller with gasoline, mix it with 5% sodium hydroxide aqueous solution and pumice powder, and at the same time, the metal roller (or hard roller) should also be treated accordingly. The hard roller can also be polished with fine water sand in the state of water spraying. Be careful not to stay in the same position, otherwise the rubber roller will be damaged. The fundamental solution is to control the pH value of the water fountain solution and improve the balance of ink and water. * The rubber roller has been used for a long time and aging, coupled with the erosion of chemicals, resulting in rotten glue and "slag". It is best not to use such a rubber roller, otherwise it will seriously affect the quality of printed products. * To ensure that the production and printing quality are not affected, there must be spare ink rollers, but do not store too much to avoid aging. The storage environment of the rubber roller is the same as that of the blanket. In addition, the rubber roller should be straight and straight at the journal, and the surfaces should not touch each other or other objects to avoid deformation of the rubber roller. * Cots should not be stored near large motors and generators. Because the large amount of ozone generated by these equipment will cause the surface of the rubber roller to age and crack. * When the weather is cold, the ink is uneven, and auxiliary materials can be appropriately added to the ink. It is forbidden to use infrared heaters and other equipment to bake the ink rubber roller to prevent the rubber roller from being oxidized. Edit this paragraph on the correct use and maintenance of the rubber rollers * The newly cast rubber rollers should not be put into use immediately. Since the internal structure of the newly cast rubber roller is not stable enough, if it is put into use immediately, it will easily reduce the service life. Therefore, the new rubber roller just out of the tube should be placed for a period of time, so that the rubber roller can maintain a relatively stable state after contacting the temperature and humidity of the external environment, which can increase the toughness of the colloid and improve the durability. * Proper storage of idle cots. After the cots to be used should be cleaned, wrap the colloid with plastic film and place it on the cots rack. Do not stack a few randomly or lean against the wall, so as to avoid unnecessary loss of the colloid. . During the transportation of waste rubber rollers to be processed and cast, do not throw them around or press heavily, and keep the roller cores from eccentricity and bending, so as to ensure the normal use of the roller cores. * The shaft head and bearing of the rubber roller should be well lubricated. We know that the accuracy of the roller head and bearing directly affects the effect of ink transfer and ink distribution. If the poor lubrication causes the roller head, bearing wear and clearance, it will inevitably lead to the disadvantage of uneven printing ink color. At the same time, it will also cause printing bar marks due to bad conditions such as jumping glue and slipping glue. Therefore, it is usually necessary to frequently add lubricating oil to the head and bearing of the rubber roller to prevent the normal use of the rubber roller from wear and tear of the machine parts and ensure the printing quality. Edit the detailed types of rubber rollers in this section. Now there are mainly printing rubber rollers, natural rubber rollers, styrene-butadiene rubber rollers, metallurgical rubber rollers, special rubber rollers, gravure rollers, textile rubber rollers, nitrile rubber rollers, composite machines, printing and dyeing rubber rollers, neoprene rubber rollers, and polishing machines. Stick papermaking rubber rollerButyl rubber roller Textile machine roller Printing rubber roller Ethylene propylene rubber roller Plastic coating machine roller Wood industry rubber roller Silicone roller Film blowing machine roller Roller glue, rubber roller, smoke machine, rubber and plastic roller, oil varnishing, rubber roller, iron printing roller, glass beading roller, typewriter, leather machine, solvent-resistant rubber roller, trademark machine, rubber roller, coating roller, nylon roller, pressing rubber roller, glass machinery Cots UV Cots Printer Cots Woodworking Machinery Cots PU Cots Dehydration Rolls Alcohol Fountain Rolls Chrome Plating Rolls Ink Rolls Hulling Cots Copper Coating Rolls Ink Machine Cots Polyurethane Cots Mirror Rolls Acrylic Cots Sanding Rolls Anilox Roll transfer roller printing machine rubber roller resin rubber roller bronzing roller Edit this section of the debugging and maintenance of printing rubber rollers Those who have been engaged in the printing industry for a long time are very aware of the importance of printing rubber rollers. Because it has a direct relationship with the printing plate and is inextricably linked to the quality of the product, whether you are using an offset printing machine, a letterpress printing machine, a gravure printing machine, or a flexographic printing machine, you are faced with how to select and debug skills. If you can't use it reasonably and follow its operation rules, it will not only fail to print ideal and excellent products, but also damage the rubber roller, and shorten the service life of the printing plate. It is difficult to adjust the printing rubber roller to the optimal level and ideal point, and it cannot be mastered overnight. Because it does not have a fixed program, it relies on the leading machine to summarize, explore, excavate, innovate and sort out a set of effective printing skills in the long-term production practice. So it is very important to debug the printing rubber roller. The following is a comprehensive discussion on the selection, use, debugging, maintenance and repair of printing rubber rollers. Selection of printing rubber rollers With the rapid development of the market economy, new equipment, new processes, new materials, especially new printing equipment are also produced. The replacement is also more timely, and the domestic printing equipment also tends to be high in technology, durable and advanced. From the perspective of the international printing industry, some data show that some developed countries such as Europe and the United States are still ahead of us in terms of printing equipment. Although the domestic printing industry entered the 1990s with the introduction of printing machinery and printing equipment from developed countries, when the printing rubber roller needs to be replaced after a certain number of years, the domestic printing rubber roller is far less than the original equipment. In the past, printing companies all set up "plastic rooms", which specialized in the production of printing rubber rollers, which caused serious pollution. With the development of the printing industry and the replacement of equipment, the traditional old-fashioned printing rubber rollers are gradually eliminated because they cannot meet the needs of high-speed printing machines. Its disadvantage is that it cannot adapt to high temperature and high humidity environment, becomes soft at high temperature and hardens at low temperature, especially for printing gold and printing anilox, which hinders the improvement of printing quality. In the 1980s, there was a big revolution in printing rubber rollers. The new rubber rollers are not restricted by climatic conditions and have good strength and corrosion resistance, but the high cost makes small and medium-sized enterprises prohibitive. With the rapid economic development, it is still well received by the majority of users. Debugging and correct use of printing rubber rollers Regardless of any printing machine type or model, after the new equipment is installed, the printing rubber rollers must first be installed by technicians and leaders. The installation height of the rubber roller must be adjusted reasonably, and it must be in close contact with the ink roller and the printing plate, both of which are indispensable. Printing practitioners all know that the height of the letterpress is 3.14mm, which is consistent with the height of the typeface, while the PS version is relatively low at 1.2mm, so you must be aware of it when installing and debugging the rubber roller. If it is a printed product with a background color, the rubber roller can be adjusted lower, and the error is ±0.5mm, so that the ink transmitted by the ink roller to the printing rubber roller is relatively uniform, and the printing rubber roller reflects the same on the printing plate. The effect of the printed product is pleasing to the eye. If it is not so, there will be ink bars, ink passages and other phenomena. When printing text, the height of the rubber roller is basically the same as that of the text plate or a little lower, so that the printing rubber roller can gently rub the printing plate, so that the text can be printed very clearly and neatly, and the wear surface of the rubber roller is small. It is not easy to be damaged and can prolong the service life of the printing plate. Adjust the glue roller should be used. Before use, take out the printing plate and let the rubber roller stretch in and out horizontally several times. The size of the ink dots on the rubber roller will be displayed immediately. The operator can determine the level of the printing rubber roller according to the different needs of printing, and then Fasten the top wire. In this way, the height of the rubber roller will not change during high-speed printing. If we are impatient when using the rubber roller, and are eager to get a picture and save trouble when debugging, the following situations will occur: (A) The surface of the rubber roller is damaged, slag is dropped, the text printing is missing, the text is blurred, or even appears Blindness, jumping glue phenomenon. (B) The inking of the text is inconsistent, and even the surface of the printed matter has only text imprints but no ink color. (C) If the rubber roller is adjusted to be too tight with the ink transfer rubber roller, the printing rubber roller will be twisted and damaged, resulting in economic losses and equipment accidents. Maintenance of printing rubber rollers In offset printing technology, the key is the control of the balance of water and ink circuits, and the balance of ink and water depends on the key components of rubber rollers and ink rollers, and their quality can directly affect product quality. Gravure, letterpress, flexo even more so. General printing companies need to maintain equipment once a week, including the maintenance of printing rubber rollers. The maintenance methods are as follows: 1. After the production operation is completed every day, the rubber roller should be carefully cleaned and washed twice; 2. The cleaning of the printing rubber roller must use designated chemical agents, such as industrial alcohol, etc., must not use corrosive 3. Take off the rubber roller during holidays to prevent deformation under pressure; 4. For the protection of the surface of the printing rubber roller, wrap it with newsprint and place it in a ventilated and dark place. Repair of printing rubber rollers In the work project, the printing rubber rollers usually appear, wear, holes and other phenomena. If the new rollers are replaced, the cost is too high and the production progress is affected. Rubber repair agent can be used for repair. Repair process, take rubber repair agent as an example: 1. Surface treatment: clean, decontaminate, degrease, and dry. 2. For repairing with glue, pour the rubber repair agent curing agent B group into the iron can of the main agent group A, stir quickly (A:B=1:1), and then pour it to the place to be repaired and smooth it 3. Curing: normal temperature Cure 4-6 hours for use, 48 hours to reach maximum strength.