A double-sided offset press generally has a plurality of printing units, and an operating device is arranged between these units. This facility can pull the printed sheet to the other side while allowing the remaining units to print the second side. This kind of offset press that can print both sides of the sheet at the same time is called double-sided offset press. Many customers in the purchase of a double-sided offset press will consider the problems encountered in the later use of the process, double-sided offset press to ensure smooth work, every once in a while to its refueling, so we use the process of how to pay attention to refueling? Now let me take a look with you
?? first, turn off the power: when refueling, you must turn off the power first, do not let the machine run, in order to prevent accidents.
?? second, refuel in order: refuel each oil port in order, and do not omit the oil port or add the wrong oil port.
?? third, keep the oil clean: there are no impurities and dirt in the oil to avoid the wear and blockage of the machine.
The biggest difference between double-sided offset press and ordinary offset press is that it can realize double-sided printing at the same time. Although double-sided offset press can bring us a lot of convenience, we should consider the following problems before using double-sided offset press.
1. What kind of binding type should be used
?? 2. How to realize double-sided printing;
?? 3. What size of paper should be used and what are the requirements for paper.
Oiling and maintenance of double offset press
Maintenance of two color offset press
1. In the use of two-color offset press, in order to ensure that the printing work time can be completed with high quality! The printing equipment must be cleaned, including the cleaning of printing plate and ink roller.
?? 2. In offset press, the blanket is easy to stick ink, dust and coating materials on paper, so it must be cleaned.
?? 3. Small printing enterprises usually use manual operation, using special cleaning cloth, disposable cleaning paper or other tools with detergent for cleaning. Large printing enterprises usually have to be equipped with special equipment to replace most of the manual operation.
?? 4, fountain solution has a cleaning effect, it can directly remove the debris on the plate, such as dust, paper, etc., without special treatment.
?? 5. When you use it, you must also clean the printing plate. Generally, you can do it by hand, but don't let the detergent pollute the fountain solution.
?? 6, ink tank and roller also need cleaning. First of all, the ink bucket should be scraped clean as much as possible, and then the cleaning agent should be added into the ink bucket cleaning plate to clean the whole ink roller system through the ink roller driving device.
?? 7. The maintenance of two-color offset press needs regular maintenance, especially the gear, motor power system and transmission device. In addition, attention should also be paid to the necessity of adding or replacing lubricating oil.
?? 8. Regrinding, correction or cleaning of roller and replacement of blanket.
