OBRABOTKAMETALLOV MATERIAL SCIENCE Том 23 № 3 2021 EQUIPMEN . INSTRUM TS Vol. 6 No. 1 2024 elements included in the Assur groups were changed, with the exception of the last one. The presented synthesis methodology assumes that it is carried out in the reverse sequence of their connection. Synthesis for the lever system should be carried out for the fourth heddle shaft, for which a motion of point G was set to be 75 mm. First of all, the swing angle of the lever CO3 D was determined, which was equal to the swing angle of the other lever EO4F. Then the dimension of the CO3 arm was determined, which was 143.5 mm. As a result, the stroke of the center of the roller was equal to 28 mm. Since the stroke of the heddle is diff erent in the depth of the loom, the value of the lever DO3 was chosen as the variable parameter. The variable parameters of the DO3 lever and the heddle stroke were calculated using the analytical dependencies presented in [10] and a mathematical software package of application programs. The results are shown in Fig. 10. As a result of the synthesis, the dimension of the connecting link BC was calculated to be 225 mm, the link O3D was 138.5 mm, and the angle between the arms O3D and CO3 was 155 °. The connecting rod DE assumed the value of 1133 mm. The objectivity of the synthesis is confi rmed by the results of the conducted studies for Assur groups. The kinematic characteristics for individual points of the mechanism are presented in the form of graphs and have smooth, continuous functions, which indicates the quality of the synthesis performed. References 1. Ditskii A.V., Malafeev R.M., Terent’ev V.I., Tuvaeva A.A. Osnovy proektirovaniya mashin tkatskogo proizvodstva [Basics of designing weaving machines]. Moscow, Mashinostroenie Publ., 1983. 320 p. 2. Podgornyj Yu.I., Skeeba V.Yu., Kirillov A.V., Maksimchuk O.V., Lobanov D.V., Gleim V.R., Zhigulev A.K., Sakha O.V. Vybor konstruktivnykh parametrov nesushchikh sistem mashin s uchetom tekhnologicheskoi nagruzki [Selection of form factors of machine carrying systems in reliance on the process duty]. Obrabotka metallov (tekhnologiya, oborudovanie, instrumenty) = Metal Working and Material Science, 2015, no. 4, pp. 51–60. DOI: 10.17212/1994-6309-2015-4-51-60. 3. Podgornyj Yu.I., Skeeba V.Yu., Kirillov A.V., Maksimchuk O.V., Martynova T.G., Lobanov D.V., Filatov I.S., Skeeba P.Yu. Opredelenie zhestkostnykh kharakteristik i energii deformatsii nesushchikh sistem tekhnologicheskikh mashin [Determination of the rigidity and deformation energy of the technological machine load-carrying systems]. Obrabotka metallov (tekhnologiya, oborudovanie, instrumenty) = Metal Working and Material Science, 2016, no. 4 (73), pp. 24–33. DOI: 10.17212/1994-6309-2016-4-24-33. 4. Podgornyj Yu.I., Skeeba V.Yu., Kirillov A.V., Maksimchuk O.V., Skeeba P.Yu. Proektirovanie kulachkovogo mekhanizma s uchetom tekhnologicheskoi nagruzki i energeticheskikh zatrat [Cam mechanism designing with account of the technological load and energy costs]. Obrabotka metallov (tekhnologiya, oborudovanie, instrumenty) = Metal Working and Material Science, 2017, no. 2 (75), pp. 17–27. DOI: 10.17212/1994-6309-2017-2-17-27. 5. Podgornyj Yu.I., Maximchuk O.V., Kirillov A.V., Skeeba V.Yu. Osobennosti tsiklogrammirovaniya mashiny s uchetom vzaimodeistviya zven’ev mekhanizmov s uporami [Features of machine cyclogram optimization with the account of interaction of mechanism links with stops]. Obrabotka metallov (tekhnologiya, oborudovanie, instrumenty) = Metal Working and Material Science, 2018, vol. 20, no. 1, pp. 44–54. DOI 0.17212/1994-6309-2018-20.144-54. 6. Lushnikov S.V., Belyi M.A. Issledovanie vozmozhnosti uravnoveshivaniya sil na glavnom valu tkatskikh stankov STB s ispol’zovaniem kulachkov-razgruzhatelei [Investigation of the possibility of balancing forces on the main shaft of STB looms using fi st-unloaders]. Izvestiya vysshikh uchebnykh zavedenii. Tekhnologiya tekstil’noi promyshlennosti = Proceedings of Higher Educational Institutions. Technology of the textile industry, 2009, no. 2S, pp. 85–88. 7. Gusev V.A., Danilov V.V., Tsvetkov D.M., Smirnov A.B. Razrabotka metodiki otsenki geometricheskoi tochnosti profi lei kulachkov batannogo mekhanizma stanka STB [Development of a methodology for evaluating the geometric accuracy of the cams of the sley mechanism of the STB machine]. Izvestiya vysshikh uchebnykh zavedenii. Tekhnologiya tekstil’noi promyshlennosti = Proceedings of Higher Educational Institutions. Technology of the textile industry, 2007, no. 6S, pp. 92–97. 8. Terekhina A.O., Solov’ev A.B. Modernizirovannyi kulachkovyi privod batannogo mekhanizma tkatskogo stanka tipa STB [Modernized cam drive for the sley mechanism of the STB loom]. Izvestiya vysshikh uchebnykh
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