Effect of Moisture Content of Paper Material on Laser Cutting

Stepanov, Alexander; Saukkonen, Esa; Piili, Heidi; Salminen, Antti

doi:10.1016/j.phpro.2015.11.024

Cited by 7 publications

(8 citation statements)

References 5 publications

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“…Depending on the application, the knives can be integrated into the printing machines or be separate devices. As an alternative to knives, innovations have brought the possibility of cutting paper with a water jet and cutting paper with a laser (Stepanov et al, 2015). When cutting paper materials, the quality of the cut is reflected in the variations in dimensions, which can occur in the process of final graphic processing during cutting, folding, and binding .…”

Section: Possibilities Of Lasers In Paper Cuttingmentioning

confidence: 99%

“…Paper material is subject to degradation if it is exposed to external influences. The result of degradation can be a decrease in paper strength and a change in structure (Stepanov et al, 2015). A question arises about which type of cutting degrades the paper and which experimental method can answer that question.…”

Section: The Influence Of Cutting On Papermentioning

confidence: 99%

“…These types of cellulose are increasingly present in paper production due to the reduced price of paper products. Therefore, paper colouring is a problem that needs to be solved so that lasers can be applied to producing paper materials (Stepanov et al, 2015). SEM analysis showed the difference in cutting edges between conventional and laser cutting.…”

Section: The Influence Of Cutting On Papermentioning

confidence: 99%

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Proceedings - The Eleventh International Symposium GRID 2022

2022

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It is my great pleasure to introduce You the research papers of the Eleventh Symposium on Graphic Engineering and Design.With this proceeding we continue the works of previous symposiums which have been held biennial since year 2002.We're delighted that this international symposium has once again gatered a great number of participants from many countries as it became a tradition over the past 20 years.The papers include the achievements of researches in the field of technology and scientific areas relevant to graphic technology and graphic design. Through the work of the symposium GRID we continued significant scientific cooperation with educational institutions all over the world. With them we are continuing good cooperation which is the driving force for the creation and display of new developments, both individual and common. I want to thank everyone who participated with their paper and presentation in the Symposium. Your contribution is significant for the improvement of the Symposium on Graphic Engineering and Design GRID 22. The research achievements presented here are also valuable to the scientific and professional community and are highly appreciated.

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Section: Possibilities Of Lasers In Paper Cuttingmentioning

confidence: 99%

Section: The Influence Of Cutting On Papermentioning

confidence: 99%

Section: The Influence Of Cutting On Papermentioning

confidence: 99%

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Proceedings - The Eleventh International Symposium GRID 2022

2022

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“…The laser power required to cut the material increases with increasing paper moisture, as more heating is needed to convert larger amounts of water into water vapour (Malmberg et al, 2006). Stepanov et al (2015), examined the possibilities of cutting dry and wet paper (with 30% -40% dry matter content) using CO2 lasers and showed a significant difference in the laser power needed for cutting dry and wet paper. Laser energy of 16.4 J / m was calculated to cut dry paper, while laser energy of 94 J / m was required to cut wet paper.…”

Section: The Amount Of Moisture In the Papermentioning

confidence: 99%

Exploring the various parameters of CO2 laser in the cutting of paper

Pinćjer¹,

Design²,

Miketić³

et al. 2020

Proceedings - The Tenth International Symposium GRID 2020

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The revolution in the printing industry started by digital printing has resulted in the introduction of personalised production of small runs, fast job changes and short deadlines. By introducing digital printing into mainstream and production focus, even for the largest printing machine manufacturers, a new era of the graphic industry has just begun. After these significant changes in the printing process, the following process of graphic production – post-press needs to be digitalised. The initial goal is to back up the possibilities of digital printing and enable it to be applied as widely as possible to its full potential. Postpress has become a bottleneck in the digital world. One of the analogous processes, which is the focus of improvement, is the cutting of graphic materials in irregular shapes in the process of creating packaging. The use of lasers enables the digitisation of the die-cut or partial cutting post-press process. Cutting of different shapes is obtained when the laser touches the substrate and where it evaporates at that moment. A thermal process accompanies this evaporation, that to a greater or lesser extent affects the substrate to be cut. The parameters that govern laser are the subject of this paper. The development of laser cutting technology has opened various possibilities for innovations in the graphic and printing industry. Since this is still considered as new technology, extensive researches on its options are essential to reach the full potential of this technology. This paper is going to analyse the overall characteristics and use of laser technology in the graphic industry by focusing on the processing of paper materials. Indispensible to mention are the advantages and disadvantages of this technology. There are a lot of comparisons among existing technologies developed for cutting graphic materials and paper. The importance of this topic is concerning all production phases of the graphic product – from processing the raw material to cutting the final product such as packaging. Regarding that, the scope of the laser processing of the graphic materials is reviewed. The paper gives suggestions for further research and experiments regarding this topic.

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mentioning

confidence: 99%

Cutting with laser in postpress

Pinćjer¹,

Miketić²,

Tomić³

2022

Proceedings - The Eleventh International Symposium GRID 2022

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Laser technology in post-press is used for various products to get a unique shape. It has been used in producing packaging prototypes, finishing and marking the surface of both paper and other materials, thus making the graphic industry more flexible and diverse. Whether in the coming years, the production of graphic products, especially packaging, will be able to rely on the advantages offered by laser technology depends on the extent of degradation of materials that are cut by the laser. In addition to the visual analysis, it is necessary to carry out experiments examining whether material degradation occurs during laser treatment or whether the structure, homogeneity, and mechanical characteristics are kept. Perhaps the most effective method to show if the packaging obtained by laser cutting can be used in the industrial production of packaging is a comparison with the characteristics of packaging materials obtained by traditional cutting methods with the cutting and die-cut machines. The work examines which parameters need to be examined and compared so that laser cutting can be applied in packaging production.

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Effect of Moisture Content of Paper Material on Laser Cutting

Cited by 7 publications

References 5 publications

Proceedings - The Eleventh International Symposium GRID 2022

Proceedings - The Eleventh International Symposium GRID 2022

Exploring the various parameters of CO2 laser in the cutting of paper

Cutting with laser in postpress

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