The use of ultrasonic method for determining the basis weight of textile materials

Zdorenko, Valerii; Kyzymchuk, Olena; Barylko, Sergiy; Melnyk, Liudmyla

doi:10.1080/00405000.2017.1350330

Cited by 5 publications

(2 citation statements)

References 5 publications

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“…Але недоліком такого рішення, поперше, є необхідність використання значної кількості випромінювачів і приймачів. По-друге, акустичні (ультразвукові) випромінювачі й приймачі, основним матеріалом для яких є п'єзоелектрична кера-міка, мають достатньо значний розкид своїх параметрів (наприклад, пружних констант до ±5 %, п'єзоелектричних -до ±10 %, діелектричнихдо ±20 %), і використання такої кількості випромінювачів і приймачів вимагатиме врахування особливостей кожного з них індивідуально, що призведе до суттєвого ускладнення будови електричних схем опрацювання сигналів [14]. По-третє, вдовж такої «лінійки» все одно б залишалися «зони невизначеності», в яких отримати поверхневу густину було б практично неможливо.…”

Section: якість та ефективністьunclassified

Control of Surface Density of Textile Materials Using Automated Scanning System

Лісовець

Барилко

Зенкін

et al. 2019

Metrolog. and instr.

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The paper demonstrates the importance of controlling the surface density of textiles, which include mainly fabrics, knitted fabrics and nonwoven fabrics, in order to improve the quality of their manufacture. It considers the most accurate methods of controlling surface density by determining the mass to area ratio of the textile sample. And it is also shown that, in addition to high accuracy, such methods have many fundamental disadvantages: the need to obtain a sample of textile material, low productivity, inability to automate the process of determining surface density, and so on. In addition, it deals with optical methods for controlling surface density based on the imaging of textile material and its subsequent analysis. However, the presence of factors such as entanglement complexity, the presence of pores, and some others does not fully reveal the potential of optical surface density methods. The paper also shows that at different points in the surface of the textile material, its surface density may differ significantly from its average value. Therefore, there is a need for an automated scanning system that allows radiating and receiving electroacoustic converters to be moved to exactly the point of the surface of the textile material whose surface density requires measurement. In order to solve the problem, it was proposed to use a toothed belt gear, and to drive it with the help of step motors controlled through drivers. In turn, to communicate drivers with the control computer, it was proposed to use a microcontroller with an integrated USB interface (for example, manufactured by Microchip Technology Inc.), and software for it to write in one of the high- level programming languages (for example, C #). This construction of the automated scanning system is due to the fact that the existing means of linear movement, in terms of the design of the scanning system, have a lot of redundancy: too much cost, too much accuracy, the need to use specialized software, and so on. The use of the proposed linear positioning means will allow the scanning system to have sufficiently high metrological characteristics at a relatively low cost.

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Section: якість та ефективністьunclassified

Control of Surface Density of Textile Materials Using Automated Scanning System

Лісовець

Барилко

Зенкін

et al. 2019

Metrolog. and instr.

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“…A non-destructive ultrasonic method for determining the basis weight of textile materials was developed and is based on a determination of the amplitude ratio of ultrasonic waves falling on the fabric and the waves passing through it. 14 This method allows for the control of a continuous operational process throughout the production cycle. However, the method has limitations in determining the basis weight of textile materials with variable porosity, such as knitted fabrics.…”

Section: Introductionmentioning

confidence: 99%

Adaptive ultrasonic method for controlling the basis weight of knitted fabrics

Barylko

Zdorenko

Kyzymchuk

et al. 2019

Journal of Engineered Fibers and Fabrics

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Two main methods employed in designing knitted fabrics for production rely on a given surface density or on the basis weight (grams per square meter). The actual value of these parameters may differ. Normally, the actual basis weight of knitted fabrics is determined by weighing a sample of a certain width and length and subsequently performing the relevant conversion (ISO 3801:1977). This method involves a destruction or wasting of the material. A non-destructive ultrasonic method for determining the basis weight of textile materials was developed, which is based on a determination of the amplitude ratio of ultrasonic waves falling on the fabric and the waves passing through it. However, this method has limitations in determining the basis weight of textile materials with variable porosity, such as knitted fabrics. To improve the developed method, it is proposed to continue the measuring of an amplitude of the reflected wave from the fabric surface. In this case, it is possible to monitor the fabric porosity changes. If the distance and pore size of the controlled fabric have increased or decreased relative to the control sample, the amplitude and magnitude of the reflected wave (part of the reflected ultrasonic signal) changes and the ultrasonic device will be adapted to the fabric structure. Our studies have demonstrated the possibility of determining the fabric porosity by using an amplitude of the reflected ultrasonic wave from the fabric surface, which allows adaptively to determine the basis weight using an amplitude of transmitted ultrasonic wave. Further development of ultrasonic non-contact methods and relative devises is very important for production control.

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