Printing industrial

Printing industrial

  • International Paper Announces Rebrand on 125th Anniversary
    Mar 08, 2023
    International Paper announced a company rebrand to align with its strategic vision to Build a Better IP through sustainable, profitable growth and accelerated value creation. As the company celebrates its 125th anniversary in 2023, the rebrand highlights the resilience of International Paper, the sustainability of its mission and its commitment to creating what's next.The new branding is rooted in the company's legacy of safety, ethics and stewardship. It embodies a renewed sense of purpose, energy, and optimism, and marks another major milestone in the evo-lution of International Paper."IP is meeting today's needs for renewable, fiber-based packaging and pulp while sharpening our focus on the future," said Mark Sutton, chairman of the board and CEO, International Paper. "As we embark on the next 125 years, we are here for what's now and creating what's next for our stakeholders."The new branding will be rolled out globally beginning this month and includes an updated website which will launch soon. The site will provide an enhanced experience for customers and act as a one-stop-shop for stakeholders to see first-hand IP's commitment to being among the most successful, sustainable and responsible companies in the world.   Printing Industrial     Offset ink printing    Sheet fed offset ink    CMYK Offset ink
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  • Hubergroup Print Solutions Launches Web Offset Inks for Food Packaging
    Feb 24, 2023
    The low-migration web offset inks have been tested in extensive field trials with well-known brand owners, printers and paper manufacturers. (Source: hubergroup)   02.23.23   Paper packaging is becoming increasingly popular in the food sector due to its good recyclability. Web offset printers can now also benefit from this increasing demand as hubergroup Print Solutions is launching the first coldset and heatset inks for food-compliant paper packaging.While printers can thus build up another mainstay, the food industry has a new opportunity to design sustainable paper packaging in a colourful and creative way. The mineral oil-free and low-migration ink series MGA FOOD NEWS and MGA EVOLUTION are initially available in Europe and Asia.Until now, low-migration offset inks were only used in sheetfed printing. A new binder developed by hubergroup has paved the way for this innovation in web offset printing.“With the help of a special binder and the careful selection of raw materials as well as production methods, we have succeeded in developing the first low-migration and low-odor web offset inks,” said Thomas Stumpf, director Web Offset at hubergroup. “As safety and sustainability are our top priorities, we worked closely with our sheetfed offset experts who have been developing inks for food packaging for many years."In addition to thorough laboratory work, hubergroup has carried out extensive practical tests in cooperation with well-known brand owners, printers, and the special paper manufacturer DREWSEN.With these new printing inks, it is possible for the first time to produce food-compliant paper packaging in large quantities using four-color printing in web offset. Food manufacturers can thus make their packaging more colorful, for example, by reproducing their products true-to-life on it. Seasonally or regionally changing designs are also possible and affordable even in small quantities, allowing large and small retailers to become even more creative with their packaging.Both the coldset series MGA FOOD NEWS and the heatset series MGA EVOLUTION are ideal for printing on packaging of baked goods, fast food such as burgers or wraps, and products from the deli counter, but also for all other paper packaging in the food sector. Printers can use the new ink series on all common coldset or heatset machines and are supported by the hubergroup service team during implementation.
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  • How to avoid paper wrinkling during offset printing How to avoid paper wrinkling during offset printing
    Apr 21, 2023
    In the printing process, the wrinkling of printed sheets is one of the main causes of waste and paper waste, and such failures are especially serious in some medium and small printing factories, and operators are also very troubled by this. So, how can we troubleshoot and save paper in a timely and effective manner? First of all, we should have a clear understanding of the pleating failure of printed sheets and understand the reasons for it, so that we can take corresponding preventive and solution measures.   1.Faulty or improperly adjusted printing equipment Taking sheet-fed offset printing as an example, the phenomenon of wrinkling of printed sheets caused by improper equipment adjustment and the solutions are as follows. 01Improper adjustment of feeding and feeding parts is one of the main causes of wrinkling of printed sheets. The position of the press wheel or the top paper wheel and the top paper brush wheel on the paper feeding plate is wrong, and the paper is pushed to the middle so that the paper has bowed and wrinkled at the front gauge, so the uneven part is pressed into wrinkled.   Solution: Adjust the position of the pressure roller, the top paper roller, etc., so that it is beneficial to flatten the paper. 02 The surface of the impression cylinder is not clean, and the accumulated ink layer is too thick, resulting in local pressure changes. Solution: Pay attention to equipment maintenance and wash the impression cylinder frequently. 03 The impression part is the main body of the printing press, and the wrinkling of the printed sheet is caused by the extrusion of this part. If the printing pressure is too high, the paper at the individual grippers will slide relative to each other, causing the surface of the paper to be uneven. Solution: Appropriately reduce the printing pressure or increase the grip force of the impression cylinder gripper teeth. 04 The grippers are too light on one or both ends of the paper. Solution: Calibrate the grip force of the gripper teeth, replace the tooth pad if it is a problem with the tooth pad, replace the tooth pad if it is a problem with the tooth sheet, and increase the pressure of the compression spring if the problem is insufficient pressure of the compression spring. 05The jaws of the swinging jaws are uneven. When the jaws are closed, the jaws of the paper are wavy, which shortens the feeding width of the paper. Once embossed, divergent wrinkles will appear. Solution: Leveling braces. If it is caused by severe wear of the tooth pads, replace with a new set of tooth pads, or plan all the tooth pads uniformly, roughen the parts that touch the paper, and lower the tooth pads properly, generally with the tooth table The gap is 0.2mm plus the thickness of a piece of paper. 06The positioning position of the side rules is wrong, one or both ends of the paper corners are in the gap of the paper delivery grippers or only half of the grippers. Solution: Properly adjust the position of the side gauge to avoid the gap between the gripper teeth of the paper delivery. 07The gripping force of the gripper teeth in the middle part is too loose, resulting in the phenomenon that the paper cannot be gripped, and the printed sheet is pulled out during printing. Solution: Calibrate the grip force of the gripper teeth. 08Two or more gripper teeth of the impression roller are too loose within a certain length, and even the paper cannot be gripped; When the roller gripper catches the paper and presses it, the axial length of the paper is shortened, and the paper produces large diffuse folds from the gripper. Solution: Adjust the corresponding gripper teeth and paper delivery teeth. 09The previous positioning is not on a straight line, so that the amount of gripper is more on one side and less on the other. Under the action of printing pressure, the part with less amount of gripper is likely to come out of the gripper teeth and cause wrinkles. Solution: Adjust the front gauge to make the amount of paper on both sides consistent. 10The jaw pads of the impression cylinder are uneven, and when the paper is gripped, the edge of the paper will form a wave shape, and the grip part will be partially wrinkled. Solution: Adjust the height of the gripper teeth. 11If the transfer and coordination of the paper between the various color groups is improper before embossing, resulting in the change of the length of the paper at the edge of the mouth, the trailing tip is easy to wrinkle. Solution: Adjust the paper delivery time. 2. paper uneven The inherent disadvantages of paper raw materials are one of the important reasons for the unevenness of printed sheets. For example, during the manufacturing process of paper, although the fiber bundles are broomified, the microscopic unevenness, uneven internal stress, and insufficient strength of the paper may make the paper uneven. Uneven and wrinkled when printed. If the paper itself is deformed, such as ruffles, tight edges, warping at both ends, etc., it is easy to cause the printed sheet to wrinkle. Most of the wrinkles produced by the ruffles are around the printed sheet, most of the wrinkles produced by the tight edge are located in the middle of the printed sheet, and most of the wrinkles produced by the warping at both ends are located at both ends of the printed sheet. For the slight deformation of thin paper (coated paper, double-adhesive paper), the paper can be leveled by knocking the paper and adding a paper press at the front gauge to avoid or reduce the wrinkling of the printed sheet; if the deformation is serious, it is necessary to Solve it by hanging and drying. For thick paper (cardboard, cardboard) that warps upward at both ends or bows upward in the middle, it is generally leveled by reverse kneading and bending. Regardless of whether it is thin paper or thick paper, the printing factory should put the uncut printing paper in the printing workshop about a week in advance to make it adapt to the temperature and humidity of the workshop, and then cut it on the machine. 3. Ink viscosity is too high If the printed sheet is large and solid, the amount of ink in the layout is large, and the viscosity of the ink is high, the printed sheet is prone to arc-shaped wrinkles in the middle or second half. Solution: Reduce the viscosity of the ink. If it is a spot color ink, you can also adjust the hue of the ink to reduce the amount of ink. In addition, you should also pay attention to the influence of the ambient temperature.   4. The influence of the external environment Effect of air humidity on paper moisture content. In the printing process, the paper is squeezed by the roller, in order to ensure the quality of the printed product, the paper is required to have better flatness. However, the structure and composition of paper determine that they have strong hydrophilicity and dehydration, and linear deformation and shape deformation will occur during use. For example, the phenomenon of "tight edge" and "lotus leaf edge" are typical faults caused by these two deformations, and are also the main reason for the wrinkling of printed sheets.   Therefore, strictly controlling the moisture content of the paper and printing with flat paper is also of positive significance to prevent the wrinkling of the printed sheet; in addition, it should be prevented in the actual application process. 01 Small diverging folds caused by paper "ruffles". Solution: Hang it to dry paper, baking paper, etc. 02 The thin and straight wrinkles caused by the "tight edge" of the paper, plus the horizontal arc-shaped wrinkles caused by the unreasonable drum lining. Solution: Adjust the lining of the drum to make the line speed consistent, and then humidify the paper, hang it to dry, etc.   To sum up, the paper wrinkling failure is actually caused by many reasons. The failure always occurs after the printed sheet is uneven. When there is a printing sheet wrinkling failure, we should first analyze what is the reason. Analysis, careful study, the problem is not difficult to solve.
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  • Energy-Curable Ink Market Continues to Grow Energy-Curable Ink Market Continues to Grow
    Apr 25, 2023
    Led by growth in UV LED, interest in energy-curable inks is on the rise, driven by energy cost savings and sustainability benefits. David Savastano, Editor03.08.23 Energy curing has been one of the steadiest growth markets in the ink industry. There are plenty of reasons why the market has been successful; years ago, people cited the instant cure, which allows for faster processing, but the sustainability benefits and energy cost savings of UV and EB inks are of great interest today.   Ultraviolet (UV) and UV LED remain the largest portion of the market, with electron beam (EB) a smaller share. Anecdotally, UV LED is the fastest growing sub-section of the market. Overall, energy curable inks are a sizable business, with consultants placing overall sales at between $2 billion and $3 billion annually.   In terms of companies, UV/EB inks are produced by a wide range of manufacturers. All of the major international ink industry leaders are in the UV ink segment, and there are a few companies – T&K Toka and Zeller+Gmelin – that are primarily focused on energy curable inks and coatings.   In speaking with industry leaders, the UV ink business was solid again in 2022, with more good news on the way. Niklas Olsson, global director product & commercial excellence, Narrow Web at Flint Group, noted that market intelligence suggests the market for energy curing technology is stable with some minor growth, while Hideyuki Hinataya, GM of the Overseas Ink Sales Division at T&K Toka, reported that power-saving UV printing is growing continuously in 2022, partly due to a switch from conventional printing.   Ed Dedman, flexo technical support/product manager for Zeller+Gmelin Corp., said that overall, the energy curing inks market remained strong in 2022.   “Sales were somewhat impacted by raw material availability, but we were able to push through and maintain a strong sales and supply position,” Dedman reported.   Alexander Blasek, global project manager UV flexo at hubergroup, noted that in 2022, the global UV flexo market remained stable with a slight positive trend.   “Also at the beginning of 2023, we see that this positive trend continues,” added Blasek. “We expect the market for UV flexo applications to further grow within the next few years.”   “UV sheetfed offset printing also continued to grow in the packaging market while the market for UV commercial printing is already saturated in Europe,” noted Roland Schröder, product manager UV Europe at hubergroup.   “It was a challenging year for the printing industry, and the ink industry in general,” said Jonathan Graunke, VP - UV/EB technology and assistant R&D director for INX International Ink Co. “Energy curable technologies were not immune to the supply chain challenges, which made for difficult decisions in the procurement of materials and came at considerable cost. Printers were faced with substrate shortages, and of course labor challenges impacted all. I am really proud of how the INX team embraced the challenges and were able to keep open the supply chain for energy curable ink. This led to a steady year in 2022, and I believe it has opened new opportunities for growth moving forward. I am also personally deeply appreciative of how some of our suppliers were able to support us and the industry.”   Jim Bishop, product manager UV, EB & conventional offset products at Sun Chemical, said that this past year saw the market for energy curable inks and coatings continue to grow.   “Depending on the end use segment, we feel this growth is ranging between 2% and 3%,” Bishop continued. “Many new large format, high-speed UV sheetfed presses were installed in the North America market, and this trend is expected to continue as these new presses bring strong productivity gains. The use of LED for flexo, narrow web, and commercial applications remains very strong too.”   Fabian Köhn, global head of narrow web product management at Siegwerk, reported that the two principal and predominant topics for energy curing inks in 2022 were the high costs and the availability of raw materials.   “This put a big burden and pressure on both ink suppliers and printers,” Köhn said. “Generally, the industry managed this challenge quite well showing an overall stable business in most regions throughout the year. Only China had a particular hard time with several large lockdowns due to the country’s zero COVID policy in 2022 leading to a decline in business in comparison to 2021.” The UV LED Market   Without a doubt, the fastest growing portion of the energy curable ink business is UV LED. Aside from concerns over the regulatory future of mercury lights, which power conventional UV curing, UV LED offers significant additional benefits for users.   “The general consensus is LED is growing more rapidly,” Graunke said. “Press manufacturers have embraced LED UV curing, and virtually all new narrow web flexo and sheetfed presses have the option to have LED installed. The efficiencies of LED UV and the absence of ozone from a UV lamp make installations less complex with the elimination of certain air flow ducting.”   Graunke added that retrofitting is also a much simpler process.   “UV lamp manufacturers have developed solutions that allow for the conversion of existing UV systems to LED with existing footprints, making it very cost effective,” Graunke noted. “It also allows the user to capture energy savings and eliminate mercury UV bulbs from their process.”   “More and more customers are either ordering new presses or retrofitting existing water-based and UV presses with LED curing systems, primarily because of energy cost savings,” Dedman said. “LED adoption seems to be steadily gaining traction across the print industry, and we fully expect that growth to increase moving forward.”   Hinataya said that UV LED printing has seen more growth. “The reasons for this are speculated to be the rising cost of electricity and the switch from mercury lamps to LED lamps,” added Hinataya.   Blasek reported that hubergroup sees a global trend towards UV LED applications in flexo printing.   “The main drivers are energy cost savings and sustainability,” Blasek said. “We at hubergroup support this and want to collaborate with customers based on long-term concepts. However, LED technology is in sum still more expensive than the traditional UV technology. Consequently, UV drying with mercury vapor lamps is still most common. Within the next years, we expect a further trend towards the LED technology.”   Schröder pointed out that mercury technology is still leading the way in UV sheetfed offset printing. “There have been major leaps in the UV LED technology in recent years but there are still some technical limitations due to the small number of available photoinitiators and the currently still narrow LED absorption spectrum,” Schröder added.   Derrick Hemmings, product manager, EC flexo, screen and LED NA & ECP Canada for Sun Chemical, reported that the LED segment is estimated to be around 15% of the total energy curable graphic arts market.   “We feel that both LED and UV/EB continue to grow at the same rate,” Hemmings said. “RadTech suggests an LED increase from 12% in 2019 to over 20% in 2022. This increase continues to primarily be in digital, commercial offset, screen, and narrow web. Sustainability surrounding energy savings is a key driver of this increase, however, it also can be attributed to increased productivity and throughput.”   Hemmings added that digital, commercial offset, screen, and NWTL (narrow web, tag and label) customers continue to lead the way in UV LED conversion and equipment sales.   “Of primary interest to Sun Chemical are LED for sensitive packaging applications, the need for more compliant, low migration solutions, and heat sensitive substrates for further lightweighting of packaging,” Hemmings said. “These needs, along with the significant energy savings (upwards of 50%) being rationalized by converters, continues to help drive UV LED conversion in graphic arts. It’s worth keeping an eye on LED for commercial print applications, as it presents an excellent value proposition and is gaining traction in the industry. Conversions of conventional sheetfed presses to LED provide an excellent path to higher productivity.” Olsson said that Flint Group has seen a significant uptake in UV LED products since Q3 2022.   “Contributing to this increase is the focus by printers, converters, and brand owners on reducing their greenhouse gas emissions,” Olsson said. “Currently, Asia and the United States have a larger share of LED lamps. In Europe, there is a large number of pending installations of UV LED lamps. We estimate that lamp installations in Europe will double over the next 12 months, where high energy costs and potential electricity shortages are driving this change.”   Köhn said that as in previous years, UV LED is growing faster than traditional UV, in particular in Europe, where high energy costs act as a catalyst for the LED technology.   “Also in markets like India, Southeast Asia and Latin America, we see an ongoing strong momentum towards UV LED,” Köhn said. “UV LED systems continue to become more and more cost-competitive and more and more new products are launched on the market that complete the offering.”
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  • Heidelberg is Launching Energy Efficiency Campaign for Print Shops Heidelberg is Launching Energy Efficiency Campaign for Print Shops
    May 09, 2023
    Back in 1997, the Kyoto Protocol stipulated that, by 2020, industrial processes should be at least 20% more efficient than they were in 1990. Today, due to the general trend for more sustainability across the whole of society, ambitious climate protection targets, and the present energy crisis, there is growing pressure on the print media industry to make the entire production process even more energy-efficient – and to do so quickly.Heidelberger Druckmaschinen AG has therefore launched a campaign for print shops featuring information, advice, and tips from experts on how to considerably increase energy efficiency in printing companies while simultaneously driving down costs. The company will be focusing on several headline issues in its communications over the next few months.“The subject of sustainability and energy efficiency has become a crucial competitive and cost factor for suppliers in the print media industry – and that applies equally to our customers and to Heidelberg itself,” says Ludwin Monz, CEO of Heidelberg. “Alongside its customers, Heidelberg aims to extend its leading role in the industry to include energy efficiency as well. Due to our technological and data expertise, we are able to offer our customers attractive options for achieving energy-efficient production and can provide comprehensive advice and consulting. We all need to work on these issues if we are to hit climate protection targets.” Speedmaster XL 106 – Energy Efficiency as Standard To launch the campaign, Heidelberg is showcasing the energy efficiency of the Speedmaster XL 106. For example, a comparison between the Speedmaster CD 102-6+L from 1990 and the current Speedmaster XL 106-6+L reveals that energy consumption per 1,000 sheets has been reduced from 13.8 kWh to 8 kWh – a reduction of 40 percent. A whole range of innovations and improvements throughoutthe entire system is responsible for this achievement.Besides investing in cutting-edge equipment, print shops can also further boost their energy efficiency by optimizing the way they use their equipment. This is where one principle in particular comes into play – one that highlights a key difference between printing presses and automobiles, for instance, which consume more energy the faster they travel.By contrast, a printing press has a basic level of energy consumption that covers the fundamental operating functions. Beyond this, energy consumption increases in line with rising printing speed, but since the basic level of energy consumption is spread over more printed sheets, overall energy efficiency improves. This means a press is at its most efficient when a job is being printed at full speed – ideally on a fully automated basis – and when, after that job, the system either moves on immediately to the next job or switches to standby mode if there is nothing else to be printed.“When it comes to energy efficiency in print shops, although the equipment being used is an important basis, operating that equipment in the best way possible is at least equally as important. This is often where companies can really make a big difference. It is at precisely this point that the Heidelberg campaign for greater energy efficiency comes in and creates a basis for fully utilizing pre-existing potential,” said Eva Boll, head of ESG at Heidelberg.Starting April 2023, the Speedmaster XL 106 will be supplied with an energy measuring device as standard, albeit only in Germany initially. This will enable users to permanently monitor the energy consumption of their press – measured in kilowatt-hours per 1,000 sheets – from the control station. This read-out encourages operators to run the press in an energy-efficient way – in other words, at maximum speed. All in all, various energy-efficiency measures also help print shops reduce the CO2 emissions associated with their industrial processes.The second theme of the campaign highlights the potential in terms of savings offered by peripheral units for the Speedmaster, which makes energy-efficient production possible. Next, the campaign addresses the issue of “maintenance,” revealing the extent to which regularly maintained machine systems can conserve resources and improve the energy balance. To complement the campaign, Heidelberg offers relevant consulting services so it can work with customers to identify potential for energy savings in the print shop and draw up plans for leveraging that potential.
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  • Introduction of LED UV Ink Introduction of LED UV Ink
    May 17, 2023
    LED UV ink is a high-quality, environmentally friendly ink used for printing on a variety of materials. The ink is ideal for use in printing applications where energy efficiency, sustainability, and environmental responsibility are critical. This ink delivers excellent image quality, fast curing speeds, and improved adhesion to a wide range of substrates, making it perfect for printing on plastics, glass, metal, wood, and many other materials.   Benefits of LED UV Ink   1. Energy Efficiency: One of the most significant benefits of LED UV ink is its energy efficiency. Unlike traditional UV inks that require high-intensity UV lamps, LED UV ink uses low-temperature LED lamps that consume less energy. This makes it an excellent choice for printers who wish to reduce their energy bills and lower their carbon footprint.   2. Environmental Friendliness: LED UV ink does not contain the harmful chemicals found in traditional UV inks, such as volatile organic compounds (VOCs), which are toxic to the environment and human health. The LED UV ink is also free from heavy metals and other hazardous substances, making it safe for use in a wide range of printing applications.   3. Improved Productivity: LED UV ink cures instantly, reducing the drying time needed between printing runs. This results in improved productivity and a faster turnaround time for print jobs.   4. Excellent Image Quality: LED UV ink produces high-quality images with vibrant and accurate color saturation. It also provides excellent ink adhesion to a wide range of substrates, ensuring a perfect finish for your printed products.   Conclusion   LED UV ink is an excellent printing ink for businesses that prioritizes sustainability, energy efficiency, and environmental responsibility. It offers a wide range of benefits, including energy efficiency, environmental friendliness, improved productivity, and excellent image quality. With LED UV ink, printers can achieve high-quality, vibrant images while reducing their energy bills and carbon footprint.
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  • Daihei ink give the best wishes  to all students on their exams Daihei ink give the best wishes to all students on their exams
    Jun 08, 2023
    In the process of printing high school entrance exams and answer sheets, ink printing plays a crucial role in ensuring the quality of the printed content. With its high definition, bright colors, and quick drying properties, ink printing technology makes it possible for exam papers and answer sheets to be printed clearly and efficiently.   Students taking the exam need to stay focused, calm, and perform to the best of their ability. A clear, legible and properly printed exam paper can help students feel confident and prepared by providing them with a clean, organized and easy-to-read format to work with.   As an ink industry professional, I wish all students the best of luck on their exams and hope that they can demonstrate their true abilities on the test. I am proud to be a part of the ink printing industry that contributes to the success of so many young students during such an important time in their lives. May our industry continue to prosper and develop better printing solutions to serve more students and help them achieve their dreams.   In summary, the application of ink printing in high school entrance exams and answer sheets is indispensable. As students prepare for their exams, they can take comfort in the fact that the ink technology behind the printed content is reliable and high-quality. With a clear head and a steady hand, exam takers can achieve great results and grab the opportunity to further their studies and personal growth.
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