68-74 Theoretical Study of the Factors Affecting Raw Materials in the 68 A journal of the AMERICAN Journal of Engineering, Mechanics and Architecture www. grnjournal.us AMERICAN Journal of Engineering, Mechanics and Architecture Volume 01, Issue 10, 2023 ISSN (E): 2993-2637 Theoretical Study of the Factors Affecting Raw Materials in the Process of Breaking Cotton Wool Ubaidullaev Madaminjan Muminjanovich q.x.f.f.d.(РhD), Fergana Polytechnic Institute М. M. Холмуротов Master of Technology of Cotton Preprocessing and Seed Preparation Abstract: in order to identify the factors that cause unevenness and to eliminate them to a certain extent, we study the process of direct undermining in a theoretical way. Keywords: Cotton, brass, bronze, corner speed, acceleration, force, time, mass, force, crystal, impact points. Introduction We have already mentioned that in cotton ginning enterprises, seeded cotton is crushed and transferred to production mechanically using RP, RBX, RBA brand crushers. During the process of crushing and transfer to the air transport pipeline, the crusher has to move back and forth. In this case, there is a need to continuously increase or decrease the length of the air pipe. Therefore, a portable horizontal conveyor with a length of 4-7 m is installed parallel to the direction of the thresher, and the cotton is dropped onto this conveyor belt [9; 4-5 p.]. The mouth of the air pipe is placed on the cotton falling from the tape. As a result, the breaker does not need to change the length of the sliding pipe by such a distance [18; 2-6b]. 1 - pneumotran in the picture. Conclusion of Muammon The ratio of the impact arc length l_z to the impact time t_z is equal to the difference of the initial and subsequent speeds of the pile. Accordingly: 0,5(m!v!" − (m! +m# )v"" m!v! − (m! +m# )v" = v! − v" Here are the following: m!(v!" − v"") − m# v"" = 2[m!(v! − v") − m#v"](v! − v") After several transformations, we get the following: 3v""(m! +m#) = 2v! ∙ v"(m! +m#) According to him: v" = % " v! ёки v" = % " ∙ 7,2 = 4,8 m/s On the other hand, we try to find the cotton mass mn that can be separated from one pile: The performance of the spoiler: 69 A journal of the AMERICAN Journal of Engineering, Mechanics and Architecture www. grnjournal.us Пғ = m# ∙ nч ∙ n( ∙ 10%, kg/s; Usually, the work of the crusher is equal to 10-12 tons/hour. To find out how much cotton can be sent to production in one second, we will perform the following actions. Пғ = (10 ÷ 12) ∙ 1000 3600 = (2,78 ÷ 3,33)кг сек ; End of belt rotations nч = 125 )*)+, -.# = !"/ 01 = 2,08 ! с ; When the number of cells = 8: m# = Пғ nч ∙ n( ∙ 10% = 2,78 ÷ 3,33 2,08 ∙ 8 Or it is equivalent to: m# = 0,167 − 0,2 kg If we want to determine the amount of cotton per square meter, then this value will be equal to the following: If we take the average value of 167÷200 g, then 184 g of cotton will correspond to each pile. 2,4𝑚! − 883,2 = 𝐹%∙𝑡% 15,795 ∙ 𝑚! − 1863 = 𝐹% ∙ 𝑙% According to Newton's 2nd law Fч = m! ∙ a = m! ∙ I v! − v" t K = m! ∙ 7,2 − 4,8 t = m! ∙ 2,4 t ; From this m! = Fч ∙ tз 2,4 = 0,93 2,4 ∙ tз m! = 0,38 ∙ 10% ∙ tз According to the information given in the scientific literature, the time of impact of metal pegs with cotton is 0.0025÷0.003 seconds. Fig. 1. Changes in the impact force of the ball and the speed of the ball 70 A journal of the AMERICAN Journal of Engineering, Mechanics and Architecture www. grnjournal.us According to him m! = 0,38 ∙ 10% ∙= 1,14 kg Here: 1, 2, 3-string shear speed, m/s 4, 5, 6-string shear force, kN According to him m! = 0,38 ∙ 10% ∙= 1,14 kg Here, m_1 is the mass of one pile of cotton. According to the legality of the change in the amount of movement: m! v! −m"v" = Fзtз We assume that the impact force obeys Hertz's law. He is alone Fз = ∆ ∙ C According to the law of change of kinetic energy: 𝑚! ∙ 𝑣! −𝑚" ∙ 𝑣" = 𝐹з ∙ 𝑙з m! v!" 2 −m" v"" 2 = Fз ∙ ∆ 1,14 ∙ 7,2 − 1,324 ∙ 4,8 = Fз ∙ lз 1,14 ∙ 7,2" 2 − 1,324 ∙ 4,8" 2 = Fз ∙ ∆з 1,84 = Fзtз 14,1 = A = Fзlз From: 14,1 1,84 = 𝐹з𝑙з 𝐹з𝑙з = 𝑙з 𝑡з As a result of mutual reduction of the corresponding values in the equation, we get the following: lз tз = 7,66 м сек ; From here we can find out how far the pile moves during the impact; lз = 7,66 ∙ tз = 7,66 ∙ 0,003 = 0,02 м = 20 мм So, it turned out that the deformation caused by one pile of chambarak in the cotton layer is equal to 20 mm. A stress or strain occurs on the surface where the impact force is applied. It is precisely these tensile forces that cause quality defects in cotton. 71 A journal of the AMERICAN Journal of Engineering, Mechanics and Architecture www. grnjournal.us Fig. 2. Change in the cotton wicking process Figure 2 shows how far the belt moves when it is woven into a layer of cotton at speeds v_1 = 5.25, v_2 = 7.2, v_3 = 9.2 m/sec. Stress or strain, by definition, is the force exerted by this force G = 5з 6 , (10) The impact area is represented by the surface of the pile in contact with the cotton. Figure 6 shows the dependence of the angle between the pile sector and diameters on the increase of the impact surface resulting from the impact. According to him, the increase in the diameter of the pile is sec Figure 3. Dependence of the length of the cotton-plunger on the radius r of the pile and the angle of the arc sector α 72 A journal of the AMERICAN Journal of Engineering, Mechanics and Architecture www. grnjournal.us 1-table. The dependence of the pile on the cotton layer on the radius of the pile and the angle between the sectors № The dependence of the pile on the cotton layer on the radius of the pile and the angle between the sectors Peg and cotton layers and area of influence, mm 0˂α˂90 4˂r˂10 l=nrα/180 h, мм S=l*L 1 15 5 1,3 10 13,08 2 30 6 3,1 10 31,40 3 45 7 5,5 10 54,95 4 60 8 8,4 14 117,23 5 75 9 11,8 16 188,40 The values given in table 1 are the values based on the laws of Hers, change of momentum, and change of kinetic energy. Figure 4. Dependence of the length of the cotton-plunger on the radius r of the pile and the angle of the arc sector α Figure 5. Pile contact zone of cotton Fig. 6. The increase of the impact area depends on the length of the working pile and the angle between the sector of the circle 73 A journal of the AMERICAN Journal of Engineering, Mechanics and Architecture www. grnjournal.us The pile and cotton layer in Figure 6 is equal to the following: S = l7 ∙ L (11) If we set this to 10, G = 5" +#∙8 , (12) According to it, if the denominator, that is, the values of l_t and L increase, the voltage decreases. On the contrary, it increases. CONCLUSION Increasing the number of piles in the direction of rotation (=(10-12)0) and increasing the number of piles located in the warp area from 2 to 4 will increase the cotton's density to 37.2 kg/m3. REFERENCES 1. Ubaydullayev, M. M. (2022). YANGI DEFOLIANTLAR HOSILDORLIK GAROVI. Архив научных исследований, 2(1). 2. Mo’minjonovich, U. M. (2022). Effectiveness Of Defoliants. Eurasian Research Bulletin, 8, 9-12. 3. Mominjonovich, U. M., & Ogli, M. I. V. (2022). STUDY AND ANALYSIS OF TECHNOLOGICAL PROCESSES OF COTTON DRYING IN A CLUSTER SYSTEM. International Journal of Advance Scientific Research, 2(11), 6-10. 4. Ubaydullaev, M. M., & UT, T. (2022). DETERMINATION OF APPROPRIATE NORMS AND TERMS OF DEFOLIANTS. American Journal Of Applied Science And Technology, 2(05), 18-22. 5. Ubaydullaev, M. M., & Makhmudova, G. O. (2022). MEDIUM FIBER S-8290 AND S-6775 COTTON AGROTECHNICS OF SOWING VARIETIES. European International Journal of Multidisciplinary Research and Management Studies, 2(05), 49-54. 6. Ubaydullaev, M. M., & Komilov, J. N. (2022). EFFECT OF DEFOLIANTS FOR MEDIUM FIBER COTTON. International Journal of Advance Scientific Research, 2(05), 1-5. 7. Ubaydullaev, M. M., & Mahmutaliyev, I. V. (2022). EFFECTIVENESS OF FOREIGN AND LOCAL DEFOLIANTS ON THE OPENING OF CUPS. International Journal of Advance Scientific Research, 2(05), 6-12. 8. Ubaydullaev, M. M., & Sultonov, S. T. (2022). DEFOLIATION IS AN IMPORTANT MEASURE. 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In International conference on multidisciplinary research (p. 11). 74 A journal of the AMERICAN Journal of Engineering, Mechanics and Architecture www. grnjournal.us 13. Ubaydullayev, M. M., & Ne’matova, F. J. (2021). The importance of planting and processing of medium-fiedl cotton varieties between cotton rows in Fergana region. The American jurnal of agriculture and biomedical engineering. USA, 3(09). 14. Тешаев, Ф. Ж., & Убайдуллаев, М. М. (2020). Определение эффективных норм новых дефолиантов в условиях лугово-солончаковых почв Ферганской области при раскрытии коробочек 50-60% сортов хлопчатника с8290 и с6775. Актуальные проблемы современной науки, (5), 62-64. 15. Mo’minovich, U. M. (2021). The Importance Of Planting And Processing Of Medium-Field Cotton Varieties Between Cotton Rows In Fergana Region. The American Journal of Agriculture and Biomedical Engineering, 3(09), 26-29. 16. Ubaydullayev, M. M., Ne'matova, F. J., & Marufjonov, A. (2021). 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