The company has a 50-year history and its products enjoy a good reputation. In 1948, Henry Cornelius Moog designed a sheet-fed gravure printer with a structure similar to that of today's sheetfed offset presses.
In 1986, the company redesigned the gravure printing machine and replaced the original chain transfer paper with a double-pass roller to make it print 400 g/m square. This type of gravure printing machine has high accuracy. After the machine is turned on, the third printing product is the exact quality product for overprinting, and the paper waste is much less than that of the web gravure printing machine. In the multi-color gravure printing machine, a hot air drying device is provided between the printing unit and the transfer roller to ensure that the ink is completely dried before entering the next color group. Users can use solvent ink, ink and UV ink according to their needs.
In 1997, Moco introduced a sheet-fed gravure printing machine using infrared drying. It is said that since the installation of a three-color infrared drying device, the Mogge gravure printing machine was installed at a printing company in Greece, and the consumption was saved by 60%. At present, in the field of UV printing, they are testing with Akzo Nobel and Sicpa's UV inks, and the UV drying device from Khonle GmbH of Germany has achieved good results. The printed samples are also confirmed to users.
The gravure ink layer is thick, so it is used for high-end packaging and decoration printing. The use of gold ink, silver ink, and fluorescent ink can achieve better gloss and decorating effect, even if the large surface is only printed in a very small and clear reproduction. In addition, the use of pearlescent ink can not only make the prints have a metallic luster, but also make the prints have a pearlescent luster and appear elegant. Pearlescent ink was first used in the packaging and printing of cosmetics. Today, it is also used in the printing of cigarette packs, food packaging, and labels.
1. Electrostatic-assisted printing Electrostatic-assisted printing has been used in the web gravure printing industry for more than 30 years. Under the influence of electrostatic charges, the ink in the gravure cylinder ink pit has been completely transferred to the printing material, thereby reducing the influence of continuous adjustment printing. Lost dot phenomenon. In the past, static pressure-assisted printing has not been used for single-sheet gravure printing due to the use of a sheet-fed offset printing press for its sheet-fed gravure printing machine, because the impression cylinder cannot conduct static electricity, and the single warp paper cavities Can easily lead to a short circuit. Therefore, people had to use double-diameter impression cylinders, and under the line pressure of 80 kg/m, the printing material was passed between the two cylinders, hoping to reduce the dot loss.
Today, the personnel of Mogul cooperated with some European designers and electrostatic equipment manufacturers to develop a practical electrostatic assistance system for their sheet-fed gravure printing machines. After trials at the Dutch company Gestel, they succeeded. Soon, the system will be officially installed on the company's sheet-fed gravure press.
2. Machine structure Mooge BR sheet-fed gravure printer up to eight colors, format (520mm × 740mm-1040mm × 1440mm) has four kinds of specifications, the maximum printing speed of up to 12,000 per hour.
Mr. Herbert Kureck, the current manager of Mogul, believes that the gravure ink is thick and stable. At the same time, he also admits that flexo and offset also have their own advantages. Therefore, he advocated using a variety of printing methods to print high-grade packaging printing products in order to meet the needs of customers with the most effective production methods.
For example, Gestel is the first to use a sheet-fed multi-color offset press to print the prints, and then finish finishing such as polishing on the gravure press.
3. Label Printing In addition to packaging and printing, the ink gravure printing machine is also widely used in label printing, and is usually combined with offset printing for higher quality. This type of adhesive bonding is mainly applicable to the printing of version labels with high printing accuracy requirements. For example, Gestel not only uses a combination of offset and gravure printing but also uses this combination to print labels for customers in Italy and France.
Many label printers printed on expensive aluminized paper and processed on their graves have expressed their willingness to print on white paper because they can use the gravure press to print gold, print silver or print other backgrounds on white paper. Color, and then use the offset printing machine to print the design of the packaging design, and finally, in the gravure press on the embossing process, you can press out any desired shape. The advantage of adopting this process is that the label is only coated with a layer of absorbent wax, and the label will be easily washed off when containers with such labels are collected. With aluminized paper, it is difficult to peel it from the container.
4. Mr. Kurreck, the future of single-sheet gravure printing, is confident about the future of sheet-fed gravure printing. He believes that the development of flexographic and gravure printing has almost reached its limit, and there will only be some small progress. In electrostatic-assisted printing, they have taken a big step. Therefore, the quality of gravure printing will greatly improve. The application of electrostatic assisted printing technology can print high-quality prints on paper or paper with poor quality. Even if the surface is rough and rough printing materials, no dot will occur. 2 Tuen does not need rubber prints to clean the blanket Therefore, the productivity of single sheet gravure printing machine is 30% higher than offset printing machine.
Mr. Kurreck stated that despite the increasingly decentralized printing in today's era, more and more manufacturers' products are sold in different car dealers, and their printers are also printed in different countries. However, the packaging or labels of products are not required. Wherever printing should be as consistent as possible in color and quality. Therefore, in order to achieve the above-mentioned objectives, people have taken the method of transferring the data of the live job to a remote printing site, and then used an electronic engraving machine to engrave the gravure cylinder to ensure that the quality of the printed matter printed in other places is stable and consistent.
Corrugated paper sizing technology At present, many domestic fine corrugated paper box processing also uses face paper, corrugated paper, and bottom paper at the same time blending process, this time, often encounter such as collapse, surface severely punished wrinkles, two open plastic and other headaches problem. The practitioners, through observation and practice over the past two years, have explored and summed up a little experience and proposed it here, hoping to discuss it with the same place.
1. Collapsing The so-called collapsing refers to the stretching of the corrugated paper on both sides of the corrugated paper after two minutes of blending. When the adhesive is very good, both sides can be bonded. However, the folded paper has lost its corrugated appearance. The general quality of the adhesives will also result in two severe penalties for opening the product, affecting product quality. In case of this situation 2 Look at the direction of the silk web of the corrugated paper. We know that the small enlargement of the paper is related to the direction of the strands. When the blending is performed, the direction of the corrugated sheets is required to be level with the direction of the paper strands. Some companies only cut the size of the corrugated base paper according to the size of the web. They did not pay attention to the direction of the wire. When it was found that the direction of the wire was not parallel to the direction of the corrugation, they had to cut the corrugated paper again in the direction of the corrugated medium, causing material waste.
Second, the quality of corrugated paper is also very important. Some paper mills cut corners in the production of corrugated paper, the degree of sizing is not enough, the paper has high elongation, and glue has not yet come on and forms a film on the gills and penetrates into the paper fibers, causing the fibers to stretch, causing collapse and large Area open plastic. Therefore, prior to use, the corrugated paper should be quality-recognized by tapping on the corrugated paper with a finger and a few drops of water. This is repeated several times to observe the speed of penetration. Through several observations, we believe that the infiltrated corrugated paper after 6 seconds can be considered as qualified, and the penetration of 6 seconds before is unqualified. Each company can determine the penetration time of qualified and unqualified corrugated paper water according to the specific process conditions.
2. Surface creases are often encountered especially when blending high-strength corrugated paper with papers below 300 g/m. Its surface is like a slate. At this time, we must pay attention to the pressure and the amount of rubber coating. Experienced masters can hear the severity of the stress, when the corrugated paper rustles out of the gluing machine, indicating that the pressure is a bit heavy; The pressure can also be measured by measuring the size of the paper on a freshly coated corrugated paper and gently smoothing it out. The micrometer is used to measure the width of the glue mark and the width is 1.1mm to indicate the pressure on the party. The Chinese companies can adopt equal values ​​to control the pressure of rubber coating.
The amount of glue applied is extremely important. In the case of a pressure party, it is necessary to control the amount of glue to be glued. Occasionally, a small piece of no glue or glue cannot be used to determine whether the amount of glue or pressure is small. Corrugated paper is not flat or there are debris in the corrugating roller. While keeping the minimum pressure and the minimum amount of glue applied, care must be taken to ensure that the direction of the filaments of the tissue is aligned with the direction of the filaments of the liner. Paying attention to the above points, the corrugated surface wrinkle or seesaw phenomenon can basically be solved.
In 1986, the company redesigned the gravure printing machine and replaced the original chain transfer paper with a double-pass roller to make it print 400 g/m square. This type of gravure printing machine has high accuracy. After the machine is turned on, the third printing product is the exact quality product for overprinting, and the paper waste is much less than that of the web gravure printing machine. In the multi-color gravure printing machine, a hot air drying device is provided between the printing unit and the transfer roller to ensure that the ink is completely dried before entering the next color group. Users can use solvent ink, ink and UV ink according to their needs.
In 1997, Moco introduced a sheet-fed gravure printing machine using infrared drying. It is said that since the installation of a three-color infrared drying device, the Mogge gravure printing machine was installed at a printing company in Greece, and the consumption was saved by 60%. At present, in the field of UV printing, they are testing with Akzo Nobel and Sicpa's UV inks, and the UV drying device from Khonle GmbH of Germany has achieved good results. The printed samples are also confirmed to users.
The gravure ink layer is thick, so it is used for high-end packaging and decoration printing. The use of gold ink, silver ink, and fluorescent ink can achieve better gloss and decorating effect, even if the large surface is only printed in a very small and clear reproduction. In addition, the use of pearlescent ink can not only make the prints have a metallic luster, but also make the prints have a pearlescent luster and appear elegant. Pearlescent ink was first used in the packaging and printing of cosmetics. Today, it is also used in the printing of cigarette packs, food packaging, and labels.
1. Electrostatic-assisted printing Electrostatic-assisted printing has been used in the web gravure printing industry for more than 30 years. Under the influence of electrostatic charges, the ink in the gravure cylinder ink pit has been completely transferred to the printing material, thereby reducing the influence of continuous adjustment printing. Lost dot phenomenon. In the past, static pressure-assisted printing has not been used for single-sheet gravure printing due to the use of a sheet-fed offset printing press for its sheet-fed gravure printing machine, because the impression cylinder cannot conduct static electricity, and the single warp paper cavities Can easily lead to a short circuit. Therefore, people had to use double-diameter impression cylinders, and under the line pressure of 80 kg/m, the printing material was passed between the two cylinders, hoping to reduce the dot loss.
Today, the personnel of Mogul cooperated with some European designers and electrostatic equipment manufacturers to develop a practical electrostatic assistance system for their sheet-fed gravure printing machines. After trials at the Dutch company Gestel, they succeeded. Soon, the system will be officially installed on the company's sheet-fed gravure press.
2. Machine structure Mooge BR sheet-fed gravure printer up to eight colors, format (520mm × 740mm-1040mm × 1440mm) has four kinds of specifications, the maximum printing speed of up to 12,000 per hour.
Mr. Herbert Kureck, the current manager of Mogul, believes that the gravure ink is thick and stable. At the same time, he also admits that flexo and offset also have their own advantages. Therefore, he advocated using a variety of printing methods to print high-grade packaging printing products in order to meet the needs of customers with the most effective production methods.
For example, Gestel is the first to use a sheet-fed multi-color offset press to print the prints, and then finish finishing such as polishing on the gravure press.
3. Label Printing In addition to packaging and printing, the ink gravure printing machine is also widely used in label printing, and is usually combined with offset printing for higher quality. This type of adhesive bonding is mainly applicable to the printing of version labels with high printing accuracy requirements. For example, Gestel not only uses a combination of offset and gravure printing but also uses this combination to print labels for customers in Italy and France.
Many label printers printed on expensive aluminized paper and processed on their graves have expressed their willingness to print on white paper because they can use the gravure press to print gold, print silver or print other backgrounds on white paper. Color, and then use the offset printing machine to print the design of the packaging design, and finally, in the gravure press on the embossing process, you can press out any desired shape. The advantage of adopting this process is that the label is only coated with a layer of absorbent wax, and the label will be easily washed off when containers with such labels are collected. With aluminized paper, it is difficult to peel it from the container.
4. Mr. Kurreck, the future of single-sheet gravure printing, is confident about the future of sheet-fed gravure printing. He believes that the development of flexographic and gravure printing has almost reached its limit, and there will only be some small progress. In electrostatic-assisted printing, they have taken a big step. Therefore, the quality of gravure printing will greatly improve. The application of electrostatic assisted printing technology can print high-quality prints on paper or paper with poor quality. Even if the surface is rough and rough printing materials, no dot will occur. 2 Tuen does not need rubber prints to clean the blanket Therefore, the productivity of single sheet gravure printing machine is 30% higher than offset printing machine.
Mr. Kurreck stated that despite the increasingly decentralized printing in today's era, more and more manufacturers' products are sold in different car dealers, and their printers are also printed in different countries. However, the packaging or labels of products are not required. Wherever printing should be as consistent as possible in color and quality. Therefore, in order to achieve the above-mentioned objectives, people have taken the method of transferring the data of the live job to a remote printing site, and then used an electronic engraving machine to engrave the gravure cylinder to ensure that the quality of the printed matter printed in other places is stable and consistent.
Corrugated paper sizing technology At present, many domestic fine corrugated paper box processing also uses face paper, corrugated paper, and bottom paper at the same time blending process, this time, often encounter such as collapse, surface severely punished wrinkles, two open plastic and other headaches problem. The practitioners, through observation and practice over the past two years, have explored and summed up a little experience and proposed it here, hoping to discuss it with the same place.
1. Collapsing The so-called collapsing refers to the stretching of the corrugated paper on both sides of the corrugated paper after two minutes of blending. When the adhesive is very good, both sides can be bonded. However, the folded paper has lost its corrugated appearance. The general quality of the adhesives will also result in two severe penalties for opening the product, affecting product quality. In case of this situation 2 Look at the direction of the silk web of the corrugated paper. We know that the small enlargement of the paper is related to the direction of the strands. When the blending is performed, the direction of the corrugated sheets is required to be level with the direction of the paper strands. Some companies only cut the size of the corrugated base paper according to the size of the web. They did not pay attention to the direction of the wire. When it was found that the direction of the wire was not parallel to the direction of the corrugation, they had to cut the corrugated paper again in the direction of the corrugated medium, causing material waste.
Second, the quality of corrugated paper is also very important. Some paper mills cut corners in the production of corrugated paper, the degree of sizing is not enough, the paper has high elongation, and glue has not yet come on and forms a film on the gills and penetrates into the paper fibers, causing the fibers to stretch, causing collapse and large Area open plastic. Therefore, prior to use, the corrugated paper should be quality-recognized by tapping on the corrugated paper with a finger and a few drops of water. This is repeated several times to observe the speed of penetration. Through several observations, we believe that the infiltrated corrugated paper after 6 seconds can be considered as qualified, and the penetration of 6 seconds before is unqualified. Each company can determine the penetration time of qualified and unqualified corrugated paper water according to the specific process conditions.
2. Surface creases are often encountered especially when blending high-strength corrugated paper with papers below 300 g/m. Its surface is like a slate. At this time, we must pay attention to the pressure and the amount of rubber coating. Experienced masters can hear the severity of the stress, when the corrugated paper rustles out of the gluing machine, indicating that the pressure is a bit heavy; The pressure can also be measured by measuring the size of the paper on a freshly coated corrugated paper and gently smoothing it out. The micrometer is used to measure the width of the glue mark and the width is 1.1mm to indicate the pressure on the party. The Chinese companies can adopt equal values ​​to control the pressure of rubber coating.
The amount of glue applied is extremely important. In the case of a pressure party, it is necessary to control the amount of glue to be glued. Occasionally, a small piece of no glue or glue cannot be used to determine whether the amount of glue or pressure is small. Corrugated paper is not flat or there are debris in the corrugating roller. While keeping the minimum pressure and the minimum amount of glue applied, care must be taken to ensure that the direction of the filaments of the tissue is aligned with the direction of the filaments of the liner. Paying attention to the above points, the corrugated surface wrinkle or seesaw phenomenon can basically be solved.
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