ДИНАМІКА КРУГЛОВ’ЯЗАЛЬНОЇ МАШИНИ З ПРИСТРОЄМ ЗНИЖЕННЯ ДИНАМІЧНИХ НАВАНТАЖЕНЬ З ПРУЖИНАМИ КРУЧЕННЯ
DYNAMICS OF A CIRCULAR KNITTING MACHINE WITH A DEVICE OF REDUCTION OF DYNAMIC LOADS WITH TWIN SPRINGS
Сторінки: 123-130. Номер: №4, 2021 (299) 
Автори:
Ю.А. КОВАЛЬОВ
Київський національний університет технологій та дизайну
ORCID ID orcid.org/0000-0003-2321-6763
e-mail: kovalev.yri2012@gmail.com
С.А. ПЛЕШКО
Київський національний університет технологій та дизайну
ORCID ID orcid.org/0000-0003-4348-2858
e-mail: pleshko-s-a@ukr.net
Є.В. ЛОПУХОВ
Київський національний університет технологій та дизайну
e-mail: neo2000.08@gmail.com
Kovalyov Yuri А.
Kyiv National University of Technologies and Design
Pleshko Sergey А.
Kyiv National University of Technologies and Design
Lopukhov Evgeny V.
Kyiv National University of Technologies and Design
DOI: https://www.doi.org/10.31891/2307-5732-2021-299-4-123-130
Рецензія/Peer review : 08.08.2021 р.
Надрукована/Printed : 26.08.2021 р.
Анотація мовою оригіналу
В роботі проведений аналіз доцільності використання пристрою з пружинами кручення для зниження динамічних навантажень в приводі круглов’язальних машин, розробка методу вибору раціональних параметрів пристрою та оцінка ефективності його використання.
Ключові слова: динаміка в’язальних машин, пристрій зниження динамічних навантажень, привід в’язальної машини, динамічні навантаження приводу, пружина кручення, параметри пружини кручення.
Розширена анотація англійською мовою
The issue of improving the efficiency of circular knitting machines remains relevant, so the task of research is to develop a new design of circular knitting machine with a device to reduce dynamic loads with torsion springs, engineering method of choosing rational parameters of the device, and evaluate its efficiency. The aim of the work is to analyze the feasibility of using a device with torsion springs to reduce the dynamic loads in the drive of circular knitting machines, to develop a method for selecting rational parameters of the device and evaluate the effectiveness of its use. The article uses modern methods of the theory of dynamics of mechanical systems in order to assess the feasibility of using a device with a torsion spring to reduce the starting dynamic loads in the drive of machines.
Based on the analysis of the dynamics of mechanical systems with elastic ties, an algorithm for calculating the dynamic loads that occur during the start of circular knitting machines, the calculated dynamic model of which is reduced to a three-mass dynamic model with an average leading mass. A new design of the device is proposed to reduce the dynamic loads that occur during the start of circular knitting machines. In contrast to the known devices, the proposed device is made in the form of two cylindrical torsion springs and bypass couplings, which increases its efficiency. The new design of the drive of the circular knitting machine with the device of reduction of dynamic loadings with torsion springs, a method of a choice of rational parameters of the device and results of an estimation of efficiency of its use are presented. A scientific novelty is the development of scientific bases and engineering methods for designing devices for reducing dynamic loads in the drive of knitting machines. The practical significance lies in the development of a new design of the device for reducing dynamic loads in the drive of circular knitting machines and an engineering method for selecting its rational parameters.
Keywords: dynamics of knitting machines, device for reducing dynamic loads, drive of knitting machine, dynamic loads of drive, torsion spring, parameters of torsion spring.
References
- Kozhevnikov S.N. Dynamics of nonstationary processes in machines. – Kyiv: Scientific Opinion, 1986. – 288 p.
- Pipa B.F. Dynamics of circular knitting machines / Pipa B.F., Khomyak O.M., Pavlenko G.I. – Kyiv: KNUTD, 2005. – 294 p.
- Hamster O.M. Dynamics of flat knitting machines. – Kyiv: KNUTD, 2008. – 250 p.
- Chaban V.V. Dynamics of warp knitting machines / Chaban V.V., Bakan L.A., Pipa B.F. – Kyiv: KNUTD, 2012. – 287 p.
- Polyakov V.S. Handbook of couplings / Polyakov V.S., Barabash I.D., Ryahovsky O.A. – 2nd ed. – Leningrad: Mashinostroenie, 1979. – 351 p.
- Circular knitting machines of the KO-2 type. Technical description and operating instructions. – Chernivtsi. 1992. – 86 p.
- Pisarenko G.S. Handbook of material resistance / Pisarenko G.S., Yakovlev A.P., Matveev V.V. – Kyiv: Scientific Opinion, 1975. – 704 p.
- Pipa B.F. Drives of knitting machines and machines with devices for reducing dynamic loads (scientific foundations and engineering design methods) / Pipa B.F., Chaban O.V., Muzychishin S.V. – Kyiv: KNUTD, 2015. – 280 p.
- Kovalev Y.A. Device for reducing dynamic loads in the drive of machines and the choice of its parameters / Kovalev Y.A., Pleshko S.A., Lopukhov E.V. // Bulletin of Khmelnytsky National University. – 2021. – № 3. – P. 87 – 93.
- Pipa B.F. On the issue of reducing dynamic loads in a circular knitting machine / Pipa B.F., Nabulsi AS.-A. – Kyiv : GALPU, 1994. – 14 p. Dep. in GNTB of Ukraine 20.04.94, № 782-Uk 94.
