The first is the issue of the house.
The version of the room is a very important process before the press, and their small mistakes may cause serious quality accidents. Now the author's version of the staff is not strong, and the problems that arise are some very low-level mistakes. When you print the plate, you don't carefully compare the proofs to the plate. It often appears: the sunburn, the counter, the misspelling There are too many dirty spots. At that time, the author had to make up to three copies of the work in one day. Among them, there will often be a set of sunburned three pieces; this waste can be prevented.
Followed by the problem of the developer.
Because the developer will reflect the oxygen in the air, the developer should be stored in a sealed container, thereby reducing the efficiency or failure of the developer, causing problems such as dirty and dirty during development, which affects the printing quality. In addition, the ratio of the developer should be found in a measuring cup. The ratio of the developer to the water will be out of balance. When developing, the table should be used to record the time. The development time is generally 34 to 45 seconds. When the ratio is different, the number of seconds can be increased or decreased. It is not good to see this method. When the concentration of the developer is too large, when it is clearly seen, it will be revealed after it is taken out. If the concentration is insufficient or the developer is oxidized, the layout is There will be a layer of ash at the time of printing. After the development, the protective layer should be rubbed to protect the layout, which can reduce the dirty spots and prolong the service life of the PS plate.
The PS plate is easily oxidized after development, oxidizing destroys the hydrophilic layer and the photosensitive layer of the plate. After the hydrophilic layer is destroyed, the plate will be dirty; if the photosensitive layer is destroyed, the image portion will not be inked, thereby reducing the PS plate. life. A PS plate can be printed with 40,000~50000 marks after rubbing. If the glue is not printed, it can print 30,000~40000. For example, a live 40000 print is damaged when the print is printed to 35000. At this time, it takes time to replace the PS version. The glue may be printed.
The third is the maintenance aspect of the machine.
Maintenance is classified, and the delivery chain and the subsequent dusting are cleaned in time. What is worth paying attention to is the speed problem: the machine is running too fast, the long version can live, but the short version may not be efficient. The short version is not a fast start of the machine, but the machine is the opposite. The effect of printing slowly will be more beautiful, and the dots will be clearer. It is wrong to pursue fast speed. The machine runs at such a high speed every day. The transmissions inside are gears and chains. If the speed is running at 8500~9000, accidentally lock the car or fly to stop the gear and Feida. Causes great damage, other parts will also be damaged, and small problems will become a big problem for a long time.
If a machine can be used for five years, the machine speed can be used slowly for three years and the loan can be net profit for two years; but as soon as the efficiency is fast, it is also a three-year loan for two years. However, this is not the case. The machine is worn out because the machine is worn too fast. It takes a lot of money to replace the parts. However, if it is slow and maintenance, the machine will not have this problem. Why are the machines fasting for three years? Because the output is the same, the machine is slow to drive, not by the speed of the machine to increase production, but from the work efficiency of the relevant personnel and pre-press preparation. To give a simple example, such as the printing of 5000 printing, the speed of 9000, 150 printing in 1 minute, 33 minutes in 5000 sheets, 10 minutes in the prepress, 15 minutes in the press, 20 minutes in the revision, and 20 minutes in the revision. Stop in the middle for 5 minutes and share 83 minutes. If the machine speed is 7500, 1 minute is printed, 125 sheets are printed in 1 minute, 5,000 sheets are printed in 40 minutes, the upper version is 8 minutes, the last version is 10 minutes, and the revision is 10 minutes. In order to stop the color, run a little better and run the ink for 5 minutes. Share for 73 minutes. Time is based on pre-press preparation.
Fourth person problem.
Need to improve the sense of responsibility and enthusiasm of employees, the waste of excipients in daily work is very serious, because it is paper; the use of blankets should also pay attention to, the washing of rubber will make the outlets clearer and reduce the phenomenon of piles of ink. Fill in the daily report in time, you should mark the time of printing when you are working on the machine. This can improve the time concept of the staff. The office also knows the time of the set and find out why the set was wasted time and coordination. Good in all aspects, improve the inadequacies. As a long-term leader, it is necessary to take responsibility for it. This will lead to the enthusiasm of other people, and the power of the example is endless.
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