CC BY
18Современные инновации, системы и технологии // Modern Innovations, Systems and Technologies
2022; 2(2) eISSN: 2782-2818 https://www.oajmist.com
УДК: 677.02
DOI: 2782-2818-2022-2-2-0162-0168
EDN: AXIOAC
Исследование неравномерности линейной плотности нити и выбор единичных показателей качества нити
Ф.Ф. Казаков, Н.Н. Саттарова, М. Аслонова, З. Мухторова
Бухарский инженерно-технологический институт, Бухара, Узбекистан
Аннотация В статье рассмотрены вопросы повышения качества пряжи и снижения ее обрывности, которые тесно связаны с неравномерностью полуфабрикатов, возникающей при их вытяжке. Представлены табличные результаты сравнительного анализа контрольных и лабораторных (исследовательских) показателей технологических расстояний модифицированного вытяжного прибора Q-Packe кольцепрядильной машины.
Ключевые слова: вытяжной прибор, волокно, продукт, сила трения, эффективность, пряжа, ткань.
Для цитирования: Казаков, Ф., Саттарова, Н., Аслонова, М., & Мухторова, З. (2022). Исследование неравномерности линейной плотности нити и выбор единичных показателей качества нити. Современные инновации, системы и технологии - Modern Innovations, Systems and Technologies, 2(2), 0162-0168. https://doi.org/10.47813/2782-2818-2022-2-2-0162-0168
Investigation of the unevenness of the linear density of the thread and the choice of individual indicators of the quality of
the thread
F.F. Kazakov, N.N. Sattarova, M. Aslonova and Z. Mukhtorova
Bukhara Engineering Technological Institute, Bukhara, Uzbekistan
Abstract. The article gives questions about improving the quality of yarn and reducing its discontinuity, which are closely related to the unevenness of semi-finished products that occur during their extraction. It is explained by the tables given, which compare the control and research indicators of the distance between the modified exhaust device Q-Packe ring-spinning machine.
Keywords: exhaust device, fiber, product, friction force, efficiency, yarn, fabric.
© F.F. Kazakov, N.N. Sattarova, M. Aslonova and Z. Mukhtorova, 2022
0162
For citation: Kazakov, F., Sattarova, N., Aslonova, M. & Mukhtorova, Z. (2022). Investigation of the unevenness of the linear density of the thread and the choice of individual indicators of the quality of the thread. Modern Innovations, Systems and Technologies, 2(2), 0162-0168. https://doi.org/10.47813/2782-2818-2022-2-2-0162-0168
INTRODUCTION
The textile industry is one of the branches of the national economy. Textile industry enterprises produce a variety of consumer goods - fabrics, yarn, cotton fiber, knitwear and others. Improving the design of equipment is relevant today. The interaction of individual mechanisms should be taken into account when designing textile machines. The analysis of modern technologies allows us to conclude that a number of problems have not yet been fully solved, in particular, the purchase of equivalent products and the elimination of failures in the production process [1]. The issues of improving the quality of yarn and reducing its discontinuity are closely related to unevenness semi-finished products that occur during their extraction. Therefore, special attention should be paid to the study of the extraction process, improvement of exhaust devices (belts, roving frames, spinning machines) and optimization of technological parameters of the extraction process [2].
MATERIALS AND METHODS
The unevenness of the elongation process is mainly due to the transition of the fibers to the speed of the average pair. This applies not only to floating, but also to controlled fibers, but shorter fibers are more susceptible to this effect. Therefore, the front ends of the fibers require premature transition of the cylinder to forward speed. Under the strong influence of neighboring fibers that move slowly, the rear ends of the fibers lengthen and therefore they move the fibers at their own speed. However, the friction force transmitting motion from one fiber to another depends not only on the number of fibers and the length of their contact area, but also on the field strength of the friction forces. At the speed of the front cylinder, it is necessary to strengthen the braking of the rear clamp at the rear ends of the fibers to prevent premature connection of the fibers [3].
The creation of such a field of friction forces that would keep the fibers from prematurely switching to the previous pair of speeds would solve the problem of unevenness of products formed during elongation. The calculation of the economic efficiency of modern spinning machines was carried out in accordance with the "Methodology for determining the economic efficiency of the use of new technologies, inventions and innovation proposals [4].
The economic efficiency of the production and use of new tools of improved quality is determined by the following formula. Currently, the introduction of the process of modification of the spinning machine G35 Q-Packe exhaust device increases economic efficiency [5].
Figure 1. Modified exhaust device.
RESULTS AND DISCUSSION
Table 1. Indicators of the distance between the modified exhaust device Q-Packe ring
spinning machine.
№ Indicators First Second Third
Strap Strap Strap
Control
1 Modified Daily distance of the 20 mm 45 mm 39.2mm x
Q-Packe exhaust device of the 30.0mm x
spinning machine 1.0mm
(Laboratory) research
2 Modified Daily distance of the 16 mm 51 mm 39.2mm x
Q - Packe exhaust device of the 30.0mm x
spinning machine 1.0mm
Table 2. Results of the modified Q-Packe exhaust device on a ring spinning machine.
№ Indicators Before the study After the study According to GOST
400 380 360
280 250 230
1 Nepsa number:
200 180 160
140 120 100
14 12 12
66 62 60
2 Number of breaks:
214 210 200
887 878 850
14 12 12
66 62 60
3 Stop the spindles
214 210 200
887 878 850
We evaluate the effectiveness of solving the task by improving the process of improving the quality of products, changing individual yarn quality indicators, as well as changing quality indicators [6].
The product quality indicator is a quantitative description of one or more characteristics that make up a product, taking into account the specific conditions of its creation and operation or consumption [7].
If the numerical value of the quality indicator increases with the improvement of the quality of the material, it is called positive, and if it decreases, it is called negative. As indicators of yarn, unique indicators of the quality of the material are used, characterizing one of its properties [8, 9].
-Selection of individual yarn quality indicators listed in the table Requirements of the regulatory document.
Table 3. Selection of individual yarn quality indicators given in the table.
Number name Single indicators of yarn quality Pointing at the pointer
1 Linear density, tex Neutral
Relative deviation of the actual linear density from
2 Negative
the nominal, %
3 Absolute breaking load, cH Positive
4 Relative breaking load cH/tex Positive
Coefficient of variation of linear density, %
- in long segments Neutral
5
- in short segments
Coefficient of variation of breaking load, %
6 Coefficient of variation in twist, % Negative
As can be seen from Table 3, the yarn quality is characterized by several single indicators. At the same time, it is necessary and advisable to use a generalized quantitative assessment of quality, when the complex of the most important features of the product is combined into a single indicator.
As research methods, qualimetry methods are used, consistently implementing a complex algorithm for determining quality indicators [10, 11].
CONCLUSION
The method of constructing a complex yarn quality indicator consists in the selection, sorting, measurement, normalization of quality indicators, followed by their transformation into a complex indicator.
REFERENCES
[1] Usenko V.A. et al Spinning of chemical fibers, 1999, M.: RIO MGTA. 471 p.
[2] Baranova A.A. Technology and equipment of textile production, 2008, Vitebsk: UO
"VGTU". 358 p.
[3] Kazakov F. et al Methods to improve hackles in the production of quality yarn, Journal
of Physics: Conference Series. 2021, 2094, 042091.
[4] Kazakov F.F., Sattarova N.N., Rajabov A., Nodirova M. A study of the study of the basic
physico-mechanical and technological properties of camel wool fiber, Scientific electronic journal Matrix of scientific knowledge. 2021, 6(2), pp. 31-40.
[5] Muradov A.A., Rakhimberdiyev D.O. Calculation of shafts bending vibrations,
InternationalMultidisciplinary Research Journal. 2021, 11(5), pp. 1103-1109.
[6] Kazakov F.F., Sattarova N.N., Shirinova N.I. Prospects for high-quality production of
rovings on roving machines, Scientific journal Archivarius. 2021, 2(56), pp. 36-41.
[7] Rajabov O.I., Kurbonov F.A., Abrorov A.S., Gafurova M.Z. Selection of the
circumferential speed of the spiked cylinders of cotton cleaners - Raw from small trash, Journal of Physics: Conference Series. 2021, 1889(4), 042056.
[8] Giyasova D.R., Sadullayeva D.R., Kazakova D.S. Research of increase the strength of
warp yarns for knitting strong fabrics, AIP Conference Proceedings, 2021, 2402, 070044.
[9] Nurboev R. et al Improvement of product drafting process in drafting devices of the
spinning machines with the application of straps, Journal of Physics: Conference Series. 2021, 2094, 042079.
[10] Mardonov S.E., Shokirov L.B., Rakhimov H.K. Development of technology for obtaining
starch gluing modified with uzkhitan and hydrolyzed emulsion, Journal of Physics: Conference Series. 2021, 2094, 042070.
[11] Mardonov S., Saidov K. Structural and mechanical properties of new sizing compositions
based on natural and synthetic water-soluble polymers, Modern Innovations, Systems and Technologies. 2021, 1(3), pp. 65-69.
ИНФОРМАЦИЯ ОБ АВТОРАХ / INFORMATION ABOUT THE AUTHORS
Казаков Фарход Фармонович, PhD, доцент кафедры «Текстильная технология и дизайн» Бухарского инженерно-технологического института, Бухара, Узбекистан E-mail: kazakov.f@mail.ru
Engineering Technological Institute, Bukhara, Uzbekistan
technology and design» of the Bukhara
Kazakov Farkhod, PhD, associate professor of the Department «Textile
E-mail: kazakov.f@mail.ru
Саттарова Н.Н., ассистент кафедры «Текстильная технология и дизайн» Бухарского инженерно-технологического института, Бухара, Узбекистан
Sattarova N.N., assistant of the Department «Textile technology and design» of the Bukhara Engineering Technological Institute, Bukhara, Uzbekistan
Мухторова З., Бухарский инженерно-технологический институт, Бухара, Узбекистан
Mukhtorova Z., Bukhara Engineering Technological Institute, Bukhara, Uzbekistan
Аслонова М., Бухарский инженерно-технологический институт, Бухара, Узбекистан
Aslonova M., Bukhara Engineering Technological Institute, Bukhara, Uzbekistan
Статья поступила в редакцию 10.06.2022; одобрена после рецензирования 21.06.2022; принята
к публикации 22.06.2022.
The article was submitted 10.06.2022; approved after reviewing 21.06.2022;accepted for publication
22.06.2022.
