[Kein Yin () News] In the just-concluded 6th China International All-India Exhibition, Xiaobian saw many wide-format inkjet printer manufacturers exhibiting, they have shown the latest inkjet printing equipment and spray Ink printing solution. Xiaobian also felt the prosperity of the wide-format inkjet printing market. As a printer, we are full of confidence!
From the application trend of the printing market, the demand for printing companies to print large-format images on rigid substrates is increasing. Wide format printer manufacturers have responded with UV-curable flatbed printers that are capable of printing in this area. The technology behind these devices has improved over the years, with better ink formulations, better substrate handling options and faster printing speeds. How do you use UV-curable flatbed printers to print perfectly on glass and on irregular surfaces? How to properly register double-sided printing? This article will give you the answer.
1.UV curing lamps
A key component of a UV curing printer is the UV source used to cure the ink. At present, the commonly used lamps on machines are broad-spectrum mercury lamps (also known as arc lamps, or H bulbs), and more and more devices are beginning to use LED lamps to achieve ink curing.
Maintenance points
1. Constantly turning off the UV luminaire will reduce the life of the luminaire. Therefore, it is necessary to prepare all the print files to be printed every day in advance so that they can run continuously during the production process, which will minimize the number of times you switch the luminaire.
2. Most UV printers have a place where the lamp power is set, so be sure to use the lowest setting at the beginning. As time goes by, increase the intensity as needed. When your prints start to feel sticky, You know that it is time to increase the intensity. If the print is still sticky when the maximum strength is reached, then the UV lamp needs to be replaced.
3. It is recommended to clean the bulb glass at least once a week. Also, make sure the printer's power supply is clean and the recommended voltage is used.
4. The operator should replace the luminaire sooner rather than later. Replace the fixture when the ink is not fully cured. Also, change all the bulbs at the same time, because if you only replace one, the newer bulb will be stronger, which may result in a cured ribbon.
2. Prevent the print head from colliding
When the print head walks on the substrate to be printed, a collision of the print head occurs. For example, when it passes over an area that is elevated above the curved sheet, the printhead may hit the substrate. This problem is very serious in some cases because the printhead is the most complex, finest, and most expensive part of the printer. Many flatbed printers have a collision sensor that reduces the frequency of printhead collisions, but some precautions are needed.
1) Stack the substrate so that it does not warp. Always ensure that the height of the printhead is within the manufacturer's specifications. Always check the uneven surface on the substrate before printing and ensure that the printer's vacuum table is open. The vacuum system helps to eliminate the slight curl that the substrate produces during the printing process.
2) Always make sure that the material to be printed has sufficient time in the printing environment to stabilize and check the substrate to be printed as a sticker for the body sticker or other items. On a true flatbed printer, it is important to concentrate the vacuum area of ​​the table below the substrate to be printed. Operators typically use tape to shield unused vacuum holes around the substrate and then turn off vacuum areas that are not used on the table.
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