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INFLUENCE OF PRINTING SPEED AND RADIATION DOSE ON THE CURING OF UV INKS AND VARNISHES 印刷速度和辐射剂量对uv油墨和清漆固化的影响
Pub Date : 2018-11-01 DOI: 10.24867/GRID-2018-P40
Bohumil Jašúrek, J. Vališ, Michaela Hozmanová
This work is focused on curing of UV curable printing inks and varnishes and evaluation of the conversion degree after printing with various printing speeds (between 4 and 10 thousands of sheets per hour) and settings of curing units. Five sets of process offset printing inks (SunCure® FLM – Sun Chemical, Suncure® Starluxe – Sun Chemical, UltraCURA® Sens – Flint Group, NewV Pack MGA® Premium – Huber Group, Sicura Litho Nutriplast – Siegwerk) and one UV curable varnish (ExCure All Round EXC90006 – Toyo Ink) were tested. Printing inks and varnish were printed on KBA Rapida 142 6+L and curing of inks/varnish was examined by Fourier transform infrared spectroscopy. The results show the importance of optimization of both the printing speed and the settings of curing units to achieve appropriate curing connected with good adhesion, no surface tackiness and maximum elimination of migrating components from cured inks that is important mainly in food packaging.
本研究的重点是UV固化印刷油墨和清漆在不同印刷速度(每小时4 - 10万张)和固化装置设置下的固化和印后转化程度的评估。测试了五套工艺胶印油墨(SunCure®FLM - Sun Chemical, SunCure®Starluxe - Sun Chemical, UltraCURA®Sens - Flint Group, NewV Pack MGA®Premium - Huber Group, Sicura Litho Nutriplast - Siegwerk)和一种UV固化清漆(ExCure All Round EXC90006 - Toyo Ink)。在KBA Rapida 1426 +L上印刷油墨和清漆,用傅里叶变换红外光谱检测油墨/清漆的固化情况。结果表明,优化印刷速度和固化装置的设置对于实现适当的固化具有良好的附着力,无表面粘性和最大限度地消除固化油墨中的迁移组分的重要性,这主要是在食品包装中。
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引用次数: 0
QUALITY PERFORMANCE TESTING FOR BASE PAPER OF CORRUGATED PAPERBOARD BY DSC METHOD 用DSC法测定瓦楞纸板原纸的质量性能
Pub Date : 2018-11-01 DOI: 10.24867/GRID-2018-P16
B. Tóth, L. Koltai, P. Böröcz
: Using a suitable paper quality of packaging structures is an element process in the packaging industry, mainly on producing corrugated paperboards. (Robertson, 2012) The base-papers are the most significant constituent of Corrugated Cardboards, contain mainly organic substances (e.g. cellulose, hemicellulose and lignin etc.) which are appropriate for thermo-analytical studies. The quality of the base-papers mainly defined by the primer cellulose, recycled paper and other incrust materials content. At the same time, it is difficult for users to precisely separate base papers that exhibit differences in mechanical and quality properties, as their ulterior identification is virtually impossible. (Holmberg et al, 1995) The testing methods such as CCT, RCT, FCT, COBB, bursting etc. are supported by statistical technique, but do not provide perfectly accurate results. (Caulfield et al, 1988) The reason is the deviation of testing results. In this paper, we publish the primary results of the thermoanalytical research for determination of different paper types. Applying a Differental Scanning Calorimetries (DSC) method, it is possible to study endotherm and exotherm spectrums of paper’s raw materials. During a heating process each component react in different ways, both of their physical and chemical characteristic. Due to their various organic substances content, these values are different referring for similar results of the finished products, which determines their mechanical and quality properties during their use (Soares et al, 1995). The results show that this method on the one hand can be helpful to testing the paper during packaging producing process on the other hand after using as a packaging. Using a DSC apparatus helps showing the differences between the various organic substances, which allow to measure obvious and exact results for each base-paper. This test method can help classify base paper types in a simple and transparent manner and be of use in tracing quality problems of papers.
使用合适的纸张质量的包装结构是包装工业的一个重要过程,主要是生产瓦楞纸板。(Robertson, 2012)原纸是瓦楞纸板最重要的组成部分,主要含有有机物质(如纤维素、半纤维素和木质素等),适合热分析研究。底纸的质量主要由底纸中纤维素、再生纸等外层材料的含量决定。同时,用户很难精确地分离在机械和质量性能上表现出差异的原纸,因为它们的隐蔽识别实际上是不可能的。(Holmberg et al ., 1995) CCT、RCT、FCT、COBB、burst等测试方法有统计技术的支持,但不能提供完全准确的结果。(Caulfield et al ., 1988)原因是测试结果的偏差。在本文中,我们发表了测定不同纸张类型的热分析研究的初步结果。应用差示扫描量热法(DSC),可以研究纸张原料的吸热光谱和放热光谱。在加热过程中,每种成分的物理和化学特性都以不同的方式发生反应。由于它们的有机物质含量不同,这些值对于类似的成品来说是不同的,这决定了它们在使用过程中的机械性能和质量性能(Soares et al, 1995)。结果表明,该方法一方面可以在包装生产过程中对纸张进行检测,另一方面也可以在作为包装使用后对纸张进行检测。使用DSC仪器有助于显示各种有机物质之间的差异,从而可以对每种原纸测量明显而准确的结果。这种测试方法可以简单明了地对原纸进行分类,并可用于跟踪纸张的质量问题。
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引用次数: 1
NEW INITIATIVE TO EDUCATE THE “POSTPRESS: BINDING, FINISHING AND MAILING” AS OBLIGATORY COURSE-UNIT AT ÓBUDA UNIVERSITY 将“印后:装订、整理和邮寄”作为Óbuda大学必修课程的新举措
Pub Date : 2018-11-01 DOI: 10.24867/GRID-2018-P48
Piroska Prokai, Csaba Horváth
This online course-unit (lecturing at the Obuda University) assembled by the authors, is a primer that serves a dual role for today’s students of graphic communication. The course is an introduction to the process of post-press technologies and the different kind of bookbinding technologies, what is solid base for any printer professional that wants or needs to learn how does is works the end of in the printing house. The knowledge based on our revised manuscripts of well-known Hungarian printing industry professionals as Lajos Papp (Horvath et al, n.d.) and Gyorgy Toth (Prokai et al, n.d.). The curriculum contains presentations, videos, tests and tasks for home work. The course is presented during one semester. The credit point value of the course is 2. The students are following the lectures online week by week. They need to pass six tests and complete six home works assignments to monitor their progress. This course is designed for the students of Obuda University.
这个在线课程单元(在大布达大学授课)由作者组装,是一个初级读物,为今天的图形传播学生提供双重角色。本课程介绍了印后技术和不同类型的书籍装订技术的过程,对于任何想要或需要学习如何在印刷厂工作的印刷专业人员来说,这是坚实的基础。这些知识基于我们对匈牙利著名印刷业专业人士Lajos Papp (Horvath等人,n.d.)和Gyorgy Toth (Prokai等人,n.d.)的修订手稿。课程包括演示、视频、测试和家庭作业任务。本课程为期一个学期。本课程学分为2分。学生们每周都在网上听课。他们需要通过六项测试并完成六项家庭作业来监控他们的进步。本课程是为奥布达大学的学生设计的。
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引用次数: 0
INHIBITION OF PREMATURE POLYMERIZATION OF CATIONICALLY CURABLE SYSTEMS BY TRIETHANOLAMINE 三乙醇胺对阳离子固化体系过早聚合的抑制作用
Pub Date : 2018-11-01 DOI: 10.24867/GRID-2018-P26
J. Vališ, Bohumil Jašúrek, Zuzana Brůnová
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引用次数: 0
LS FITTING OF THE MATERIAL PROPERTIES INFLUENCING THE PRINT QUALITY IN FLEXOGRAPHIC REPRODUCTION SYSTEM 柔版复制系统中影响印刷质量的材料性能的拟合
Pub Date : 2018-11-01 DOI: 10.24867/GRID-2018-P43
T. Tomašegović, T. Cigula, Juraj Huzjak, M. Prsa
Printing quality is influenced by numerous parameters and by the material interactions in the inkplate-substrate system. The aim of this paper is to characterize and quantify influential parameters in the flexographic reproduction system by using the method of the least squares (LS fitting). Specifically, this paper deals with influential properties of the printing plates and porous printing substrates (paper, board). Printing plate with its properties and interaction with the printing ink and substrate during the printing process affects the parameters of the print. Different properties of analysed porous substrates define properties of the print such as tonal values/dot gain and optical density. Measured properties of different printing substrates (papers and boards with different types of coatings) are used to build a quantification system of influencing parameters for the quality of the print using two different types of printing plates (patterned and non-patterned). Substrate parameters included in this research are roughness, surface free energy and gloss, while the surface free energy analysis was used to define printing plate properties. Results have shown that the least squares method can be applied to define the suitability of a particular type of printing plate for printing on different materials and enable optimization when selecting the material parameters in the flexographic reproduction system.
印刷质量受众多参数和油墨-承印物系统中材料相互作用的影响。本文的目的是利用最小二乘(LS拟合)方法来表征和量化柔版复制系统中的影响参数。具体来说,本文讨论了印版和多孔印刷基材(纸、纸板)的影响特性。印版在印刷过程中以其自身的特性以及与油墨和承印物的相互作用影响着印刷品的各项参数。所分析的多孔基板的不同性质决定了印刷品的性质,如色调值/网点增益和光密度。使用两种不同类型的印版(有图案和无图案),通过测量不同印刷基材(具有不同类型涂层的纸张和纸板)的性能,构建影响印刷品质量参数的量化系统。本文研究的基材参数包括粗糙度、表面自由能和光泽度,并利用表面自由能分析来定义印版性能。结果表明,最小二乘法可用于确定特定类型的印版在不同材料上的印刷适用性,并可在柔版复制系统中优化选择材料参数。
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引用次数: 1
DETERMINING THE FRAMEWORK FOR ŽIŽKA MONUMENT 3D REPRODUCTION 确定ŽiŽka纪念碑3d复制的框架
Pub Date : 2018-11-01 DOI: 10.24867/grid-2018-p47
Tanja Nuša Kočevar, Anja Škerjanc, Ana Porok, T. Jurca, Matej Pivar, Helena Gabrijelčič Tomc
In this research the development of the framework for 3D interpretation of Plečnik’s Žižka Monument is presented. Jože Plečnik was a very known Slovenian architect, that design many personal, public and sacral buildings, mainly in Ljubljana, Wien and Prague. The design of Jan Žižka (Czech commander-in-chief) monument was never realised and was therefore a subject of the research of Plečnik’s specialists. The features of the monument can be, according to their shape, topology and level of details, basically divided in two parts, i.e. 1. architectural part that is chalice-like stage and 2. eight human and one animal (horse) models that are more organic and highly detailed. The experimental part presents a framework for the inventory of available documentation that were collected and categorised, processed and selected with the purpose of further procedures. After the examination and the analysis of the documentation, the next step of determination and extraction of graphic, artistic and stylistic information from the documents were performed and implemented in 3D models of architectural and sculptural part. The research included also preparation of the models, 3D printing, assembly and finishing. The last phases of the framework were defined as exhibition, promotion and evaluation. In the results the overall framework for the creation and construction of 3D interpretation is presented and estimated.
在本研究中,提出了ple nik的Žižka纪念碑的三维解释框架的发展。Jože ple nik是一位非常著名的斯洛文尼亚建筑师,他设计了许多私人、公共和宗教建筑,主要在卢布尔雅那、维也纳和布拉格。Jan Žižka(捷克总司令)纪念碑的设计从未实现,因此是ple nik专家研究的主题。纪念碑的特征,根据其形状,拓扑结构和细节水平,基本上可以分为两部分,即1。2.圣餐台的建筑部分。八个人和一个动物(马)模型,更有机和高度详细。实验部分提供了一个框架,用于收集、分类、处理和选择进一步程序的可用文件的清单。在对文件进行检查和分析之后,下一步是从文件中确定和提取图形、艺术和风格信息,并在建筑和雕塑部分的3D模型中进行实现。研究还包括模型的准备、3D打印、组装和精加工。框架的最后阶段定义为展示、推广和评估。在结果中,提出并估计了创建和构建三维解译的总体框架。
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引用次数: 0
GRADATION, COLOUR RANGE AND COLORIMETRIC ACCURACY OF DIGITAL PROJECTOR JVC DLA-RS 15 JVC - dla - r15数字投影仪的色阶、色域及比色精度
Pub Date : 2018-11-01 DOI: 10.24867/grid-2018-p69
Iva Molek, Dejana Javoršek
Nowadays, digital projectors are used for displaying static and dynamic content, while operating with a wide range of different projection technologies. Presentation methods are also used to present important colour reproductions where the colours should be displayed accurately. The purpose of our research was to improve the colour quality of presentation and to define display of colour in digital projection. For that purpose high quality digital projector JVC DLA-RS15 was used. According to standard ISO 12646: 2010, was researched the display of colours in digital projection. For the colorimetric analysis of the displayed colours, the spectrophotometer i1Pro and the spectroradiometer PR-650 were used. Since the vast majority of digital photographs is captured and displayed in the standardized sRGB colour space, we investigated how well the sRGB colour space is displayed using JVC DLA-RS15 digital projector and whether the standard could be achieved by profiling its modules. Based on the results of our research, it was found out that spectroradiometer PR-650 always shows the same results regardless of the measuring distance. However, in case of the spectrophotometer i1Pro, it proved best to perform measurements and profiling so that the measuring distance equals to the projection distance. The monitoring and the evaluation of digital projections based on chromaticity, graduation, channel and grey balance and colour range according to the standard ISO 12646:2010 is quite demanding and timeconsuming. It has also been found that a large colour gamut of saturated primary colours at digital projector does not guarantee the quality of the displayed colours in the standard sRGB colour space.
如今,数字投影机用于显示静态和动态内容,同时使用各种不同的投影技术。呈现方法也用于呈现重要的色彩再现,其中颜色应准确显示。我们研究的目的是提高呈现的色彩质量,并定义数字投影中的色彩显示。为此,使用了高质量的数字投影仪JVC DLA-RS15。根据ISO 12646: 2010标准,对数字投影中的色彩显示进行了研究。对于显示颜色的比色分析,使用分光光度计i1Pro和光谱辐射计PR-650。由于绝大多数数码照片都是在标准化的sRGB色彩空间中拍摄和显示的,我们研究了使用JVC DLA-RS15数字投影仪显示sRGB色彩空间的效果,以及是否可以通过分析其模块来实现标准。根据我们的研究结果,发现PR-650光谱仪无论测量距离如何,结果总是相同的。然而,在i1Pro分光光度计的情况下,它被证明最好执行测量和轮廓,使测量距离等于投影距离。根据ISO 12646:2010标准,基于色度,梯度,通道和灰平衡和色彩范围的数字投影的监测和评估是相当苛刻和耗时的。人们还发现,在数字投影仪上,饱和原色的大色域并不能保证在标准sRGB色彩空间中显示颜色的质量。
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引用次数: 0
USER-CENTERED APPROACH TO PRODUCT DESIGN FOR PEOPLE WITH VISUAL IMPAIRMENTS 为视障人士设计以用户为中心的产品
Pub Date : 2018-11-01 DOI: 10.24867/GRID-2018-P33
Monika Rastovac, J. Dolić, J. Pibernik, L. Mandić
The aim of this research was to investigate the application of the user-centred design process to the design and development of a product and it’s packaging suitable for people with visual impairments. The product and packaging had to be accessible to stakeholders on both sides not only to visually impaired end users but also to the workers with visual impairments in the production process. The accessibility features had to function in conjunction with other presentation and functional requirements of the product and packaging. In order to adapt the design for people with visual impairments, research of optimal design process was conducted using combination of contextual design with other user-centred methods. Rapid prototyping was used to create full-scale physical packaging models and product moulding tools for evaluation. Additional subjective evaluation using semantic differential was carried on users without visual impairments to establish the perception of pragmatic and hedonic quality of the packaging.
本研究的目的是调查以用户为中心的设计过程在产品设计和开发中的应用,以及适合视觉障碍人士的包装。产品和包装必须让双方的利益相关者都能接触到,不仅是视力受损的最终用户,还有生产过程中视力受损的工人。可访问性特性必须与产品和包装的其他表示和功能需求结合起来。为了适应视障人群的需求,将上下文设计与其他以用户为中心的方法相结合,进行了优化设计过程的研究。快速原型用于创建全尺寸物理包装模型和产品成型工具进行评估。使用语义差异对无视觉障碍的用户进行额外的主观评价,以建立对包装的实用和享乐质量的感知。
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引用次数: 2
REDESIGN OF KOZJANSKO REGIONAL PARK VISUAL IDENTITY THROUGH AN EYE TRACKING ANALYSIS OF THE CURRENT AND NEW SOLUTION 通过对当前和新的解决方案的眼动追踪分析,重新设计kozjansko区域公园的视觉识别
Pub Date : 2018-11-01 DOI: 10.24867/grid-2018-p65
Elena Plahuta, Nace Pušnik
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引用次数: 0
USING MODERN INFORMATION TECHNOLOGY TO ENRICH THE PRESENTATION OF RESULTS IN SCIENTIFIC PUBLICATIONS 运用现代资讯科技,丰富科学刊物的成果呈现
Pub Date : 2018-11-01 DOI: 10.24867/GRID-2018-P51
Gojko Vladić, D. Novaković, Gordana Delić, Rastko Milošević, S. Đurđević
It has been almost two decade since electronic formats entered mainstream in scientific paper publishing. PDF (portable document format) has become without any doubt most used electronic publishing format. Wide adoption of this format offered easy exchange of the information presented conventionally through text and images, which was widely adopted. On the other hand it has been little over a decade since 3D artwork, java script and SWF applications are supported by PDF, but adoption of all of these advanced features is quite low. With technological advancements augmented and virtual reality are becoming useful tools also. Same as in the case of PDF there is the problem, all across the board of scientific fields, of slow adoption of new Information communication technology ICT. This paper aims to explore and present some of the new ICT features that could help improve presentation of scientific results and also to illuminate the reasons they are rarely used in publications.
电子格式进入科学论文出版的主流已经将近20年了。PDF(可携式文件格式)毫无疑问已成为最常用的电子出版格式。这种格式的广泛采用使传统的文本和图像信息交换变得容易,并得到了广泛采用。另一方面,PDF支持3D美术、java脚本和SWF应用程序已经有十多年的时间了,但这些高级功能的采用率却很低。随着技术的进步,增强现实和虚拟现实也正在成为有用的工具。与PDF的情况一样,所有科学领域都存在着采用新信息通信技术(ICT)缓慢的问题。本文旨在探索和展示一些新的信息通信技术特征,这些特征可以帮助改善科学结果的呈现,并阐明它们很少在出版物中使用的原因。
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引用次数: 0
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Proceedings of 9th International Symposium on Graphic Engineering and Design
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