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12/07/2021

How To Wash Ink And Change Color

How To Wash Ink And Change Color        In the process of offset printing, especially the monochrome Offset Press, whether y, m, C and BK four-color printing, trademark and packaging decoration, it is often necessary to wash the ink and change the color,.       clean the ink transmission system of the whole offset press, and then replace it with new ink. The ink scraper of the ink washing device is composed of a rubber knife, an ink receiving groove and an adjusting screw.How To Wash Ink And Change Color        Ink washing process: pour gasoline and car washing water on the ink roller, install the ink scraper in the ink washing position slot, tighten the adjusting screw to make the rubber knife contact the surface of the inking roller corresponding to the offset press at an angle of 40 °, and the inking roller moves longitudinally and laterally to scrape the old ink and gasoline on the ink conveying system into the ink receiving slot through the rubber knife.How To […]
12/07/2021

Common Technical Problems Of Offset Printing Plate

Common Technical Problems Of Offset Printing Plate Briefly talk about the difference between UV printing plate and ordinary printing plate and CTP plate.Common Technical Problems Of Offset Printing Plate UV ink suitability of various printing plates Classification PS version CTP version for ordinary PS version UV ink Brand vps-a Vpu lh-pi The price is cheaper than the UV PS version and more expensive than the ordinary PS version,Common Technical Problems Of Offset Printing Plate Printing resistance is not ideal:Common Technical Problems Of Offset Printing Plate As the actual sales price is determined by each consignment point, please contact each consignment point for details. 2. What are the main reasons why printing plates are easy to get dirty? (1) Cause: the exposure is insufficient, the transparency of the positive picture is poor, and the light source is aging. Treatment method: remake the positive picture and adjust the exposure appropriately Room: retest with a gray ladder, ext […]
12/07/2021

UV Ink And Water-Based Ink Technology

UV Ink And Water-Based Ink Technology       In the packaging printing industry, the printing resistance of the printing plate refers to the maximum printing quantity that the printing plate can print on the premise of ensuring the printing quality, also known as the printing resistance rate. The number of copies of the printing plate mainly depends on the stability of the graphic part and blank part of the layout. If some of them are damaged, the printing plate will lose its use value.UV Ink And Water-Based Ink Technology 1、 Reduce surface friction of printing plate       In the printing process, the printing plate is rolled and contacted with the water (ink) roller and blanket under a certain pressure to complete the transmission of printed pictures and texts. There are many times of friction in this process, and the greater the printing pressure, the greater the friction. If the ink pigment particles are thick or there is a dry and solid ink cover on the ink roller or […]
12/07/2021

Measures To Improve The Printing Resistance Of PS Plate

Measures To Improve The Printing Resistance Of PS Plate      In the packaging printing industry, the printing resistance of the printing plate refers to the maximum printing quantity that the printing plate can print on the premise of ensuring the printing quality, also known as the printing resistance rate. Measures To Improve The Printing Resistance Of PS Plate      The number of copies of the printing plate mainly depends on the stability of the graphic part and blank part of the layout. If some of them are damaged, the printing plate will lose its use value.Measures To Improve The Printing Resistance Of PS Plate       Although the printing plate resistance is related to the plate quality and plate making quality, the printing plate made under the same conditions can be improved and maintained by taking reasonable measures to reduce the damage of the plate. Taking offset PS plate as an example, this paper discusses how to improve the printing resistance of printing pl […]