Effectively improving the speed of offset printing 4 The Great Path
Printing speed refers to the number of prints per hour produced by a printing machine, It is the main indicator of printing machine production capacity. Improving printing speed enhances the production efficiency of printing machines, Shorten production
It refers to the printing quantity of the printing machine per hour, It is the main indicator of printing machine production capacity. Improving printing speed enhances the production efficiency of printing machines, Shorten product production cycle, Improving the efficiency of printing enterprises is of great significance.
In the production process of offset printing press, From pre press preparation to trial printing, Moving on to formal mass printing, Printing speed inevitably changes. Only by recognizing and handling the changes in printing speed for ink, The impact of various factors such as printing pressure and printing paper, And solve it reasonably, To ensure the reliability and stability of the printing process, Effectively improve production efficiency.
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ink transfer rate
Ink transfer rate is one of the factors affecting the quality of printed materials, And it will decrease with the increase of printing speed.
reason: The faster the printing speed, The shorter the time it takes for ink to roll between the blanket cylinder and the impression cylinder, The closer the ink layer splits, the closer it is to the paper, The thinner the ink layer distributed to the paper after ink splitting, This leads to a decrease in ink transfer rate, The ink color of the printed matter becomes lighter.
measure: Increase printing pressure to increase ink transfer volume; At the same time as adding a release agent to the ink, Increase the ink supply of the ink delivery device, Thicken the ink layer transferred to the paper while keeping the transfer rate constant.
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UV light source capable of instantly curing ink improves efficiency, Appearing particularly important. Only able to match with ink, Simultaneously matching the illumination range and power with the printing paper, The light intensity can match the printing speed, Realize instant drying of ink, To meet the demand for on-demand printing of offset printing orders, Dry out of the oven, The demand for fast shipping.
measure: Choose a branded light source supplier, Develop an exclusive curing plan based on the actual production situation, adjust UV Light source to the parameters that are most suitable for the manufacturer's printing speed and printing material.
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Reduced embossing time for rubber cylinders and substrates, The amount of ink transferred to the substrate also decreases accordingly, The ink color of the printed matter becomes lighter.
We must simultaneously increase the printing pressure, Ensure sufficient contact between the printing plate and the rubber blanket, as well as between the rubber blanket and the substrate, To ensure the smooth transfer of graphic and textual printing.
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Under constant pressure, Printing speed increases, Shortened embossing time, The imprint trajectory per unit time increases, The distance of paper peeling increases, The peeling force also increases; Conversely, Decreased printing speed, Reduced peeling force.
When the printing speed increases to a certain extent, When peeling off paper from the rubber blanket, Due to increased peeling force, Paper remains unchanged, The surface strength of paper is always the same, When the peeling force is greater than the surface strength of the paper, It will inevitably lead to faults such as paper scratching, powder peeling, and even paper peeling.
For manufacturers whose main production process is offset printing, We should take appropriate measures, Adjust the parameters and energy efficiency of the four major influencing factors, Only by improving printing speed and efficiency can we ensure, Produce high-quality printed materials, Strive for a larger market and user base for oneself.
- 2008 year 03 moon -
- 2015 year 10 moon -
UVLEDTEKg begins to develop optical fibers, Offset printing, label, Liquid Crystal Curing Light Source System, Implementing research and development "Peak Climbing Plan" , Brave Climbing UV High precision and cutting-edge fields of solidification;
Compared to domestic UV Leading ink supplier reaches strategic partnership, Batch promotion of offset printing light sources, as of 2019 year 7 Installed monthly 110 Above the stage, Market share of domestic offset printing machine modification NO. 1;
The company's first high-power LCD curing surface light source was successfully installed in one go, Mark the successful entry of the company's products LCD cell Duan Craft, For the first time in China;
UVLEDTEKg label flexographic printing curing light source system breaks through the industry's highest printing speed bottleneck with exclusive process technology, Open the door to cooperation with well-known brand label machine manufacturers;
Youwei Star UV label, Offset printing, Expansion of LCD and other light source system markets to Europe, Japan, Thailand, Malaysia, Türkiye, Vietnam, Brazil and other countries, Rapid growth in overseas performance.
Wuhan UVLEDTEKg Technology Co., Ltd
address: Wuhan Donghu New Technology Development Zone Huagong Science and Technology Park Modern Service Industry Base 1 R&D Building B seat 5 building
postal code: 430223
Contact Number: (+86) 027-87971689
Contact email: sales@uvledtek. com (sales)
