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Journal articles on the topic 'Saw gin'

Author: Grafiati

Published: 2 June 2025

Last updated: 31 July 2025

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1

Hughs, Ed, Greg Holt, and Ross Rutherford. "COTTON GINNERS HANDBOOK (2016 Revised Edition): Saw Gin Stands." Journal of Cotton Science 21, no. 1 (2017): 60–69. http://dx.doi.org/10.56454/nzmg5416.

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The saw gin stand is the heart of the saw ginning system. From the initial filing of patents for the spiked-tooth gin and the saw gin in 1794 and 1796 by Whitney and then Holmes, respectively, the saw gin stand has predominated over early roller-type gins in the U.S. cotton ginning industry. These early saw gin stands were small, simple, and were manually fed hand-picked seed cotton and processed only a few hundred pounds of fiber per day. However, at this early stage, it was recognized that the gin stand had a huge impact on fiber quality and textile utility. These early saw gins tended to be

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Whitelock, Derek P., Michael D. Buser, Carlos B. Armijo, and S. Ed Hughs. "The Impact of Historical Gin Stand Technologies on Cotton Fiber and Seed Quality." Applied Engineering in Agriculture 35, no. 5 (2019): 775–85. http://dx.doi.org/10.13031/aea.12751.

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Abstract. The trend in modern gin stand designs to increase gin stand production rate in terms of bales/h was generally achieved by increased width, narrower saw spacing, and higher saw loading. This study examined fiber length reductions, short fiber content, fiber neps, and cottonseed damage associated with five saw gin stands of differing production rates, design, and manufacture that represent a range of gin technologies developed since the 1960s to identify technologies from those earlier designs that may guide future gin stand research. Based on rated ginning rate, the gin stands were cl

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3

Delhom, Christopher D., Carlos B. Armijo, and S. Ed Hughs. "High Quality Yarns Produced via High-Speed Roller Ginning of Upland Cotton." Journal of Cotton Science 21, no. 1 (2017): 81–93. http://dx.doi.org/10.56454/bnge8798.

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Processing capacities of new high-speed roller ginning technology approaches that of saw ginning. Spinning mills are interested in mill performance data comparing new upland cultivars processed by both saw and roller ginning. Four diverse upland cultivars were processed by saw ginning and high-speed roller ginning and analyzed by ginning method. Ring-spun carded and combed yarns were produced, and their properties determined. Results overall (combining cultivars) showed that the roller gin, when compared to the saw gin, produced fiber that was more than 1 staple length longer, had two percenta

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Hughs, Ed, and Carlos Armijo. "Impact of Gin Saw-tooth Design on Fiber and Textile Processing Quality." Journal of Cotton Science 19, no. 1 (2015): 27–32. http://dx.doi.org/10.56454/vmnw7009.

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Toothed gin saws have been used to separate cotton fiber from the seed for more than 200 years. A scientific analysis of saw-tooth design has never been published and the optimum saw-tooth design has not been found. Initial laboratory ginning evaluations of some modern gin saw teeth have shown differences among designs in ginning rate, fiber length measurements, and textile processing quality. The saw gin stand used for testing was a Continental Double Eagle that had been cut down to 46 saws. Four different sets of 16-in diameter, commercially available replacement saws were obtained from inde

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Rakhimjonov, Azizbek, and Barno Asrakulova. "IMPROVING THE SEPARATION OF FIBER FROM THE SAW WITH THE HELP OF A BRUSHED DRUM IN A SAWING MACHINE." JOURNAL OF SCIENCE-INNOVATIVE RESEARCH IN UZBEKISTAN 2, no. 4 (2024): 206–13. https://doi.org/10.5281/zenodo.10970454.

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Hughs, Sidney E., Gregory A. Holt, Carlos B. Armijo, Derek P. Whitelock, and Thomas D. Valco. "COTTON GINNERS HANDBOOK: Development of the Cotton Gin." Journal of Cotton Science 24, no. 1 (2020): 34–43. http://dx.doi.org/10.56454/medh2749.

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Cotton fiber was first used in 6000 B.C. The two New World cotton species that are most of today’s production include G. hirsutum (Upland) and G. barbadense (Extra Long Staple [ELS]). The first cotton gin existed by the 5th century A.D (single-roller gin). The next development was the churka gin (double-roller gin) which ginned cotton five times faster than the single-roller gin. The churka gin was widely used in North America by 1750 and ginned both Upland and Sea Island (ELS) cotton. The spike-tooth cotton gin was developed by Eli Whitney in 1794. Hodgen Holmes developed a continuous flow gi

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7

Funk, Paul A., Joseph W. Thomas, Kathleen M. Yeater, et al. "Saw Thickness Impact on Cotton Gin Energy Consumption." Applied Engineering in Agriculture 38, no. 1 (2022): 15–21. http://dx.doi.org/10.13031/aea.14535.

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HighlightsCotton gin saws 0.91 and 1.14 mm thick were compared.Thicker saws had approximately 10% lower processing rate at full motor load.Thicker saws used about 35% more energy to gin the same amount of lint.Abstract. Most cotton fiber (lint) is separated from the seed by gin saw teeth that pull the lint between metal bars (ribs). These ribs are spaced close enough to each other that the seeds cannot pass with the lint. Cotton gin saws are available in three thicknesses, 0.9144, 0.9398, and 1.143 mm (0.036, 0.037, and 0.045 in.). No data from controlled experiments has been published which c

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Funk, Paul A., Joseph W. Thomas, Kathleen M. Yeater, et al. "Gin Saw Thickness Impact on Lint Turnout, Lint Value, and Seed Damage." Applied Engineering in Agriculture 38, no. 4 (2022): 645–50. http://dx.doi.org/10.13031/aea.15171.

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HighlightsWe compared 0.91 to 1.14 mm thick gin saws by ginning seed cotton from three regions.The gap between the saw and rib was 0.914 mm for the thin saws and 0.800 mm for the thick ones.Response variables were tested using a sequentially reduced (backwards regression) model.Lint “turnout”, lint value, and seed damage did not appear to be significantly different due to saw thickness.Abstract. Over 95% of U.S. cotton post-harvest processing is done using saw gins. Gin saws have long been supplied in three thicknesses. We quantified the effect of saw thickness on lint turnout, lint value, and

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9

Armijo, Carlos B., Derek P. Whitelock, Joe W. Thomas, Sidney E. Hughs, and Marvis N. Gillum. "COTTON GINNERS HANDBOOK: Roller Ginning." Journal of Cotton Science 21, no. 3 (2017): 199–209. http://dx.doi.org/10.56454/vmim5000.

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Roller ginning provided the first mechanical means of separating cotton lint from seed. The first true roller gin was the Churka gin, which produced up to 2.3 kg (5.0 lb) of lint/day. In 1840, the McCarthy gin was invented to gin extra-long-staple (ELS) cotton. Although the ginning capacity of the McCarthy gin was a major improvement over the Churka gin, capacity was limited to about 18 kg (40 lb) of lint per hour. In the late 1950s and early 1960s, a rotary-knife roller gin was developed. The rotary-knife roller gin had a ginning rate 12 times higher than the McCarthy gin, though the rotary k

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Donohoe, Sean P., Femi Peter Alege, Cody Daniel Blake, and Joseph W. Thomas. "Energy Consumption of a Breeder Gin Stand by Sample Size and Saw." Applied Engineering in Agriculture 39, no. 6 (2023): 585–93. http://dx.doi.org/10.13031/aea.15765.

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Highlights Study included six sample sizes of seed cotton ranging from 0.1 to 1.6 kg. Linear model was a good fit for full range of sample sizes tested. The model showed that energy data is comparable across range of sample sizes tested. More than ginning energy, the ginning time was sensitive to small sample sizes. Abstract. Ginning seed cotton on a 10-saw breeder gin stand with 10-in. saws is often a batch process and there are variables which may affect energy consumption. This study focused on differences in energy consumption of a 10-saw breeder gin stand across five sample sizes of seed

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Ismailov, A. A., E. A. Narmatov, and P. M. Butovsky. "Modernization of the Saw Gin Grate." Proceedings of Higher Education Institutions. Textile Industry Technology, no. 5 (2021): 180–85. http://dx.doi.org/10.47367/0021-3497_2021_5_180.

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12

Donohoe, Sean P., Femi Peter Alege, and Joseph W. Thomas. "Belt Feeding a 10-Saw Gin Stand." Applied Engineering in Agriculture 41, no. 1 (2025): 67–73. https://doi.org/10.13031/aea.16159.

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HighlightsSample sizes ranging from 200 to 400 g of seed cotton.Belt feeder resulted in consistent ginning times at each sample size.Belt feeder evaluated using 90 runs of cotton.Abstract. Breeder gin stands are often hand-fed, unlike commercial large-scale operations that have a feeder system. However, hand-feeding makes it difficult to obtain a consistent feed rate, and it becomes a variable that is hard to account for when comparing data. This study investigated the system performance of using a conveyor belt for feeding the seed cotton to a breeder gin stand. To achieve this objective, a 1

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Yuldashev, Khasanboy Sulaymon ugli, Olimjon Sharifjanovich Sarimsakov, and Abdul-Malik Khamidovich Kayumov. "Increasing the efficiency of fiber cleaning by improving the process of removing cotton fiber from the teeth of the saw." Multidisciplinary Journal of Science and Technology 3, no. 5 (2023): 346–49. https://doi.org/10.5281/zenodo.10439656.

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It is known that the saw cylinder is the main working organ in the cotton ginning process. The process of ginning occurs as a result of the cotton raw materials entering the gin roll box and meeting the rotating saw teeth. In the roll box, the cotton raw material rotates like a gin saw, forming a mass roller consisting of fully depilated and partially depilated seeds. The density of this mass shaft increases towards the center of the roll box. As a result, due to the formation of a crack between the roll box and the ribs, the depilated seeds move downward under the influence of their weight an

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14

A., T. Majidov, and M. Safarov N. "Statistical Research and Efficiency in the Process of Direct-Flow Ginning." International Journal of Engineering and Advanced Technology (IJEAT) 9, no. 3 (2020): 3812–16. https://doi.org/10.35940/ijeat.C6017.029320.

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The present time more attention is allocated with the purpose about an opportunity manufacture qualitative products to improve technologies. In clause, the improvement of engineering and technology for allocation fibrous raw material is investigated. The scientific significance of the research results lies in obtaining dynamic and mathematical models of motion, numerically solving the problems of determining the laws of motion and parameter dependencies, the modes of motion of the recommended working bodies (saw cylinder, working chamber, grate, raw roller accelerator, chain gear for saw cylin

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15

Tumuluru, Jaya Shankar, Carlos B. Armijo, Derek P. Whitelock, and Paul A. Funk. "Modeling and Optimization of High-Capacity Experimental Reclaimers to Minimize the Seed and Lint Loss during Roller Ginning of Upland and Pima Cotton." Processes 11, no. 10 (2023): 2868. http://dx.doi.org/10.3390/pr11102868.

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In the present study, two high-capacity experimental roller gin reclaimers, (a) a modified 3-saw cylinder stick machine (three-saw) and (b) a modified 2-saw cylinder gin stand feeder (700), were optimized with respect to reclaimer saw cylinder speed and carryover/seed ratio to minimize the seed and lint loss for both Pima and Upland cotton varieties and were compared to a conventional roller gin reclaimer operated by the ginning industry under standard conditions. Developed regression models adequately described the seed and lint loss phenomena during the reclaiming process. Surface plots indi

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Armijo, Carlos B., Christopher D. Delhom, Derek P. Whitelock, et al. "Evaluation of Alternative-Design Cotton Gin Lint Cleaning Machines on Fiber Length Uniformity Index." AgriEngineering 5, no. 4 (2023): 2123–38. http://dx.doi.org/10.3390/agriengineering5040130.

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Developing cotton ginning methods that improve fiber length uniformity index to levels that are compatible with newer and more efficient spinning technologies would expand market share and increase the demand for cotton products and give U.S. cotton a competitive edge to synthetic fibers. Older studies on lint cleaning machines showed that the most widely used feed mechanism that places fiber on the cleaning cylinder damages the fiber and reduces uniformity. The present study evaluates how conventional and experimental feed mechanisms affect uniformity. The lint cleaners were used with both sa

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17

Mukhammadiev, D. M., Kh A. Akhmedov, and B. Kh Primov. "Experimental Study of The Power Consumption of The Saw Gin Electric Motor with A Shelling Chamber." International Journal of Advance Scientific Research 5, no. 4 (2025): 57–66. https://doi.org/10.37547/ijasr-05-04-08.

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This article presents the results of an experimental investigation into the power consumption characteristics of a saw gin equipped with a huller roller box. The study focuses on the influence of three primary parameters: the productivity of the saw gin, the vertical distance from the top of the grate to the horizontal axis of the saw cylinder, and the relative position of the comb. Through a series of controlled experiments, the optimal operational settings were determined that minimize electric motor power consumption while ensuring efficient seed separation and reduced fiber loss. The findi

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18

Abrorov, Akbar, Matluba Kuvoncheva, Furkat Ismoyilov, Sirojiddin Fayziev, and Mukhsin Mukhammadov. "Computational analysis of multivariant physical and mechanical experiments on laser hardening of gin disc saws." Journal of Physics: Conference Series 2573, no. 1 (2023): 012038. http://dx.doi.org/10.1088/1742-6596/2573/1/012038.

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Abstract The article describes an original method for computational analysis of multivariate physical and mechanical experiments on laser hardening of gin saw blades. The laser processing method is one of the most effective physical and mechanical methods for improving the properties of resistance to fatigue, long-term strength, and corrosion cracking of circular saw blades that operate under conditions of elevated temperatures and cyclic loads. The stages of the analysis of multivariate experiments on hardening the teeth of a circular saw with laser radiation during grinding are described in

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19

Omonov, Zarshid. "EFFECTIVE CLEANING AND GINNING OF LOW-GRADE COTTON IN A SAW GIN." INTERNATIONAL CONFERENCE ON ADVANCE SCIENCE AND TECHNOLOGY 2, no. 2 (2025): 15–19. https://doi.org/10.5281/zenodo.15421035.

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<em>To increase the gin's productivity by effectively cleaning low-grade cotton from small trash impurities in a saw gin, an industrial-experimental sample of a grate of a new design was produced. The manufactured industrial-experimental sample was installed on a 90-saw gin feeder at the “Boyovut techno claster” LLC cotton ginning enterprise in the Bayavut district of the Syrdarya region, and the gin was improved. Comparative-research work was carried out on a 90-saw gin with a feeder with a mesh surface operating in the workshop with an improved gin. Experimental work was carried

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20

Mirzaumidov, Asilbek Shukhratjonovich, and Ismonjon ogli Ibragimov Muzaffar. "RESEARCH TO IMPROVE THE DESIGN OF SAW CYLINDERS." EURASIAN JOURNAL OF ACADEMIC RESEARCH 1, no. 4 (2021): 106–13. https://doi.org/10.5281/zenodo.5111120.

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The gin saw cylinder is designed to capture the volatile fiber from the saw teeth, detach it from the seeds, and carry it out through the gap gaps in the grate to the air removal device. In addition, simultaneously with the separation of the fiber, the saw cylinder, coming into contact with the raw roller in the arc of the capture of the fiber in the working chamber, rotates it, which creates conditions for the constant supply of fresh bats to the saw disks.

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Sulaymonov, Rustam, and Amirjon Yuldashev. "Study on vibration of the saw cylinder and its critical speed." E3S Web of Conferences 434 (2023): 02027. http://dx.doi.org/10.1051/e3sconf/202343402027.

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The force impact of the 130 saw cylinder of gins 4DP-130 and 5DP-130 was studied. It was determined that due to the significant weight of the saw cylinder, when it is rotated at 730 rpm, its radial runout increases, leading to shaft deflection and wear of its neck for bearing fit, rapid wear of the working part of the grates in the grate and blunting of saw teeth when saw teeth touching the grate, which led to their rapid wear. Increased wear of the saw blade and grate, increases the consumption of imported saws and grates, reducing their service life. In addition, due to the increase in the r

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Akhmedkhodjaev, Khamid, and Akmal Umarov. "Improving the process of feeder in saw gin stand in order to improve the quality of fiber." IOP Conference Series: Earth and Environmental Science 981, no. 2 (2022): 022036. http://dx.doi.org/10.1088/1755-1315/981/2/022036.

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Abstract The article describes the problem of regulating the density of a raw roller in a sawing gin of the DP series. In this work, the scheme of interaction between the saw and the seed roll is theoretically investigated; three states of the capture of the free end of the fiber during movement with friction are studied. The influence of the density of the seed roll on the load current of the motor of the saw cylinder of the saw gin was studied experimentally. Regression equations are obtained for various industrial cotton grades. The graphs of the dependence of the density of the seed roll a

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Xamidjanovich, Xoshimov Xalimjon. "Improvement of the working chamber of the saw gin." ACADEMICIA: An International Multidisciplinary Research Journal 12, no. 4 (2022): 297–99. http://dx.doi.org/10.5958/2249-7137.2022.00290.7.

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Akhmedov, Khamidulla, and Lola Zhamolova. "Study of the movement of raw cotton on the surface of an inclined peg." E3S Web of Conferences 390 (2023): 06016. http://dx.doi.org/10.1051/e3sconf/202339006016.

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The article presents a study of the raw cotton movement on the surface of a throwing drum with inclined spikes of a saw gin. The considered system consists of two separate sections. The interaction of cotton with actuating tools in the first section takes place on the surface of the spike of the throwing drum, and in the second section, it occurs with separation from the spikes of the throwing drum until it hits the blade of the saw cylinder. It was determined that with an increase in ω, the path and time for the passage of raw cotton along the surface of the spike of the throwing drum decreas

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van der Sluijs, Marinus H. J. "The Effect of Various Processing Stages During Ginning on Fiber Quality." Journal of Cotton Science 24, no. 1 (2020): 44–59. http://dx.doi.org/10.56454/cpaz3825.

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This study was conducted to determine the effectiveness, in terms of cleaning efficiency and fiber quality, of the seed cotton cleaning stages installed in cotton gins that process predominately spindle-harvested, irrigated Upland cotton and to determine the effect of the various processing stages during ginning on gin turn out and fiber quality. The study showed that the average amount of trash content present in seed cotton was typically < 10%. The seed cotton cleaning process was able to remove 20 to 40% with the remainder of the trash removed by subsequent lint cleaning stages. The stud

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Sirojiddinov, Fazliddin, Botir Mardonov, Ilkhom Abbazov, and Bobir Sharopov. "Investigation of two-dimensional unsteady motion of deformable raw roller during saw ginning." E3S Web of Conferences 434 (2023): 03034. http://dx.doi.org/10.1051/e3sconf/202343403034.

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In this article, based on the analysis of research conducted by scientists in many fields on increasing the productivity of sawing gin, the requirements for sawing gin to improve the workability of gin, increase fiber quality, and reduce energy consumption, as well as its separation into technological parts, and a single conclusion, collecting the conducted research it was mentioned that it should be released. It is explained the requirements for cotton ginning equipment in cotton ginning cluster enterprises and the need to carry out the innovative approach of sawing gins, dividing each techno

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Safarov, Askar, Sokhiba Toshmatova, Khurshid Ismoilov, and Elmurod Narmatov. "The influence of warranty and deformation of the saw blade on the wear of grids in gin machines." BIO Web of Conferences 149 (2024): 01033. http://dx.doi.org/10.1051/bioconf/202414901033.

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The article discusses the problem of grate wear in saw blades, caused by uneven contact with the saw blade due to its warping and deformation under load. The results of a theoretical analysis of the forces acting on cotton fiber with a non-central position of the saw blade relative to the inter-grid gap are presented. The dependence of the fiber tension on the grip angle of the grate, which is directly related to the wear of the grate and the displacement of the saw blade, is substantiated. The war page of the saw blade, reaching 0.95 mm, and its deformation under the influence of a load from

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Armijo, Carlos B., Derek P. Whitelock, Paul A. Funk, and Joe W. Thomas. "Evaluating Alternative Seed-Cotton Reclaimers for High-Speed Roller Ginning." Applied Engineering in Agriculture 36, no. 3 (2020): 245–56. http://dx.doi.org/10.13031/aea.13704.

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HighlightsExperimental high-capacity seed-cotton reclaimers were evaluated for the growing high-speed roller-ginning industry.The experimental reclaimers minimized the amount of seed-cotton loss compared to the conventional reclaimer, but had more seed loss than a conventional reclaimer.The conventional reclaimer had the lowest combined seed and lint loss when processing Pima cotton.An experimental reclaimer based on a current cotton gin machine had seed and lint losses nearly $10 per cotton bale less than the conventional reclaimer when processing Upland cotton.Abstract. In a roller ginnery,

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Mukhammadiev, D. M., Kh A. Akhmedov, I. O. Ergashev, L. Yu Zhamolova, and Kh J. Abdugaffarov. "Calculation of the upper beam bending of a saw gin." Journal of Physics: Conference Series 1889, no. 4 (2021): 042042. http://dx.doi.org/10.1088/1742-6596/1889/4/042042.

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30

H., E. Turdiyev, Tursunaliyev I., and B.Umarjonov. "CREATING AN ADDITIONAL DEVICE TO ACCELERATE THE OUTPUT OF SEED FROM THE WORKING CHAMBER OF THE 5DP-130 SAW." JOURNAL OF SCIENCE-INNOVATIVE RESEARCH IN UZBEKISTAN 2, no. 4 (2024): 165–69. https://doi.org/10.5281/zenodo.10950693.

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This study aims to improve the efficiency of seed output from the working chamber of the 5DP-130 saw by designing and implementing an auxiliary acceleration device. Efficient seed extraction is critical for agricultural productivity, and this project seeks to optimize the process by augmenting the saw with an additional mechanism. Through careful consideration of design factors such as mechanism selection, integration with the saw, compatibility with different seed types, and efficiency and safety measures, the goal is to enhance overall operational efficienc

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Ortikova, Kamola, Akmal Umarov, and Maftuna Inamova. "INCREASING THE EFFICIENCY OF SAW GINNING TECHNOLOGY." American Journal of Engineering and Technology 5, no. 10 (2023): 12–27. http://dx.doi.org/10.37547/tajet/volume05issue10-03.

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In the process of separating the fiber from the seed, the speed of the seed roll in the roll box of the saw gin varies depending on the diameter of the saw. As the blade diameter decreases, the peripheral speed does not change, but the linear speed does. This leads to a deterioration in the quality of the fiber and seed, and a decrease in the productivity of the machine. For this reason, the regulation of the linear speed of the saw is one of the important problems in the ginning process. To do this, the speed of rotation of the saw cylinder is changed following the change in the diameter of t

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Blake, Cody D., Derek P. Whitelock, Paul A. Funk, Carlos B. Armijo, and Michael D. Buser. "The Impact of Ginning Rate on Fiber and Seed Quality." Applied Engineering in Agriculture 38, no. 1 (2022): 9–14. http://dx.doi.org/10.13031/aea.14303.

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HighlightsReducing the ginning rate improved fiber quality properties.HVI color, leaf grade, and trash area were improved as the ginning rate is reduced.AFIS gave longer, more uniform, and lower short fiber content results with slower ginning rates.Economic benefits on lower ginning rates are negated by input cost, i.e., labor costs.Abstract. Fiber quality needs to be maintained as ginning rates and saw loadings increase. This study utilized two gin stands, which were each operated at three different Ginning Rate Levels to determine if there were significant differences in fiber quality as a f

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R.Sh., Sulaymanov, Omonov Z.J., Ismatov M.N., Saytov U.A., and Rayimqulov O.Q. "STUDY OF THE PROCESS OF CLEANING MACHINE-HARVESTED COTTON FROM SMALL IMPURITIES IN SAW GINS." Multidisciplinary Journal of Science and Technology 4, no. 6 (2024): 233–39. https://doi.org/10.5281/zenodo.11664818.

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The cleaning efficiency of the machine-picked S-6524 selected grade 2 cotton in the UXK unit of the technology was 80.4% on average, and it showed that it was 12 (abs)% less than the cleaning efficiency of the passport when cleaning high-grade cotton. After the UXK unit, when cotton is cleaned in the 5DP-130 type saw gin supplier-cleaner, the cleaning efficiency of the supplier is equal to 10.1% on average, and it is found that it is 4.9 (abs)% less than the cleaning efficiency in the technical characteristics. The productivity of the gin when ginned in the cleaned cotton gin was on average 12

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Akmal, Umarov, Akhmedkhodzhaev Khamit, Sarimsakov Akramjon, and Kenjaeva Muazzam. "The Saw Gin Stand with Adjustable Movement of the Roll Box." Engineering 10, no. 08 (2018): 486–94. http://dx.doi.org/10.4236/eng.2018.108034.

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Axmedxodjayev, Khamit, Akmal Umarov та Kamola Ortiqova. "Investigation of the Ginning Process on ДП Series Saw Gin Stands". Engineering 11, № 08 (2019): 523–30. http://dx.doi.org/10.4236/eng.2019.118036.

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36

Safarov, A. A., E. A. Narmatov, S. Safar, U. Qozoqboyev, and A. Bakhriddinov. "Influence of raw roller density of saw fiber separator on productivity and fiber quality." E3S Web of Conferences 258 (2021): 04018. http://dx.doi.org/10.1051/e3sconf/202125804018.

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This article determines the possibility of ejaculation of bare seeds from the working chamber of the genie using auxiliary ejaculatory devices. Based on theoretical and experimental studies, results were obtained to improve the quality of fiber, seeds and gin productivity in the allocation of bare seeds from the working chamber. Based on the results of a full-factor experiment, graphs were constructed of the time spent on exposed seeds on gin productivity, the number of revolutions of vas differencing devices and the number of exposed seeds.

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Ergashev, Jamoliddin, Asilbek Mirzaumidov, Ulugbek Khaydarov, and Jakhongir Sharipov. "Research of the shaft of the new light-load saw cylinder wall." IOP Conference Series: Earth and Environmental Science 981, no. 2 (2022): 022048. http://dx.doi.org/10.1088/1755-1315/981/2/022048.

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Abstract In the article, the task of reducing the mass of the main working body of the gin, i.e. the cylinder shaft by means of the opening of the groove and the design features of the shaft is determined. Its essence is that the inner groove part of the gin saw cylinder shaft performs the circular side with symmetrical gears and the entry of external slits into the grooves in the corresponding inner slits of the shaft leads to a specific equilibrium of the mass relative to the axis of rotation and increases its strength and reliability in operation. This will increase resource efficiency and

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Mukhammadiev, Davlat, and Ilhom Ergashev. "Investigation of seeds mechanical extraction through the seed-removing device from saw gin." E3S Web of Conferences 390 (2023): 06011. http://dx.doi.org/10.1051/e3sconf/202339006011.

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The article provides research materials on the extraction of seeds through the seed-removing device from the working chamber of a saw gin with a husking chamber. The maximum values of the angular velocity of the raw cotton roller to the saw blades were determined ωmax =16.09 rad/s (153.71 rpm) for a pipe diameter of 125 mm, then the angular velocity of the seed-removing pipe should be within ω=34.35 rad/s (328.05 rpm), since k=2.45. It was determined that the ratio of seed flow through pipe perforations for pipes of various radii is 21÷38.2% of the total amount of seeds. An account for the pro

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JURAEVA, GULKHAYO, and RUSTAM MURADOV. "THE PROCESS OF TECHNICAL GRADES OF MEDIUM STAPLE COTTON AT GIN FACTORIES AND ITS ANALYSIS." Scientific and Technical Journal of Namangan Institute of Engineering and Technology 8, no. 1 (2023): 40–43. https://doi.org/10.5281/zenodo.7950789.

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In this article, the process of processing industrial grades of medium staple cotton in gin factories and its analysis is considered. Also given is the result requirement according to the standard. An analysis was made of the quality of medium-fiber cotton raw materials and its indicators, as well as the degree of damage.

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Mukhammadiev, D. M., Kh A. Akhmedov, O. Kh Abzoirov, O. S. Mallaev, and N. B. Esanova. "Study of the machine unit of the saw gin seed-retracting device." Journal of Physics: Conference Series 1889, no. 4 (2021): 042019. http://dx.doi.org/10.1088/1742-6596/1889/4/042019.

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Safoyev, Abdukhalil, Khusniddin Abdugaffarov, Petr Butovskiy, and Akbar Atajanov. "Study of the wear process of technological surfaces of saw gin grates." BIO Web of Conferences 65 (2023): 01022. http://dx.doi.org/10.1051/bioconf/20236501022.

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This paper presents the results of the theoretical studies of the process of wear of the technological surfaces of saw gin grates. Mathematical expressions are obtained, with the help of which it is possible to determine the theoretical statistical characteristics of the raw roller and it is indicated that the wear of the grate, in the process of operation from the impact of the raw roller, occurs as a result of the abrasive deposited on it. A rod model of the process of interaction between a raw roller and a grate has also been studied, on the basis of which it is possible to determine the de

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Muradov, Rustam, Mubashirkhon Abduvakhidov, and Mutakhhirkhon Abduvakhidov. "Study of the issues of determining the parameters of the flexural rigidity of saw working bodies." Journal of Physics: Conference Series 2388, no. 1 (2022): 012131. http://dx.doi.org/10.1088/1742-6596/2388/1/012131.

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Abstract The article investigates the issue of determining the flexural rigidity of a gin saw cylinder formed by tying onto a shaft a package of disks having the same thickness at different diameters and compressed by a longitudinal compressive force. The stated problem is solved on the basis of the general rules of theoretical mechanics and force analysis. Due to the lightening of the elements of the saw cylinders, its design is improved, the general functions of the bending rigidity of the saw cylinder, the thickness of the elements, the magnitude of the friction force between them are obtai

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Chandra Sekhar, Savanam, Khushalani Ronit Siva Kumar, Kotta Rohith Pavan, Katta Venkata Siva Durga Prasad, Thotapalli Shiva Kumar, and Faizan Noor Rehman Shaik. "Technological Evolution and Current Practices in the Indian Ginning Industry." Journal of Research in Business and Management 12, no. 8 (2024): 38–41. http://dx.doi.org/10.35629/3002-12083841.

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The Indian ginning industry occupies second position in the world. In India, there are about four thousand ginning factories located across the cotton belt mostly equipped with double roller ginning machines except factories which adopted saw gin technologies in Punjab, Haryana, and Rajasthan. Ginning is a systematic process of removing fibre, debris, and cottonseed from kapas. The kapas which heaped in the form of a large conical pile in the open yard of the ginning factory catches moisture and contamination. This results into material loss and cost escalation due to additional technical proc

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Krajewski, Andrzej, Stuart Gordon, and David Fox. "Field Trials of a Self-Adjusting Seed Finger System to Improve Gin Turn-Out and Fiber Properties." Transactions of the ASABE 64, no. 5 (2021): 1499–509. http://dx.doi.org/10.13031/trans.14489.

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HighlightsSeed roll density is dynamic and affected by the seed finger partition angle.At low and medium pressures, the system improved energy consumption, gin turn-out, and fiber quality.At low and medium pressures, the system improved energy consumption, gin turn-out, and fiberAbstract. Previously, we reported a prototype system whereby the position of the seed fingers in a saw gin could be adjusted continuously to affect the amount of residual lint on the ginned seed and provide more fiber (increased gin turn-out). The system combines partitioned seed fingers pivoted on a shaft that are con

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Azizov, Shuhrat Mamamtovich, and Hamid Tursunovich Axmedhodjaev. "Theoretical Analysis of Gin Cylinder for Simulating Dual Saw Cylinder Chamber Gin for Increasing Wear Proof, Energy Efficient, Saving Resources." World Journal of Engineering and Technology 03, no. 03 (2015): 91–99. http://dx.doi.org/10.4236/wjet.2015.33010.

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Akhmedov, Khamidulla, Lola Jamolova, and Nizomiddin Jumaev. "Study of a new design of the steel ribs of a saw gin." E3S Web of Conferences 452 (2023): 06031. http://dx.doi.org/10.1051/e3sconf/202345206031.

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The article presents a study of a new design of steel ribs of a saw gin. When assembling the rib grate from the ribs selected after rejection, the technological gaps in the working area fluctuate over a wide range. As a result, saw blades exert additional lateral pressure on the ribs, which leads to fiber damage and intense wear of the ribs. In the beam under consideration, bending movements play the main role. Displecements due to tension and shear are small compared to bending movements, as are the tension and shear energies compared to bending energy. Therefore, from the six Mohr integrals,

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Rokhmonov, Durbek, and Akramjon Sarimsakov. "Theoretical study of the movement process of destroyed seeds and fiber in the new construction saw gin working camera." International research journal of engineering, IT & scientific research 8, no. 4 (2022): 71–78. http://dx.doi.org/10.21744/irjeis.v8n4.2125.

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A theoretical study of the process of movement of a dehydrated seed + fibrous medium in a saw gin working chamber has been carried out. The process representing the motion of a depleted seed + fibrous medium is mathematically constructed, based on which the corresponding differential equations are constructed. The constructed differential equations were solved numerically in the MAPLE-17 program, corresponding graphs were obtained and conclusions were given.

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Agzamov, M., M. Rakhmatov, M. Agzamov, O. Olimov, and K. Nosirov. "Search for ways to increase yield and improve product quality in the process of saw ginning." IOP Conference Series: Earth and Environmental Science 939, no. 1 (2021): 012073. http://dx.doi.org/10.1088/1755-1315/939/1/012073.

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Abstract This article presents the results of research on increasing fiber yield and improving product quality by using a new design of the vas deferens from the working chamber. It has been experimentally established that the most rational in terms of yield and quality of fiber, seeds and gin productivity is the position of the seed comb when the axes of its pegs are directed 5-10 degrees above the axis of the saw cylinder. The smallest value of complete hairiness of seeds after gin was obtained when installing a lamellar seed comb. Its average value was 13.8%. At the same time, the fiber yie

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Azizov, Shuhrat, Farhod Uzoqov, Mirshoroffiddin Mirzakarimov, and Oybek Usmanov. "Analysis of Namangan 77 cotton in production line with different saw gins for short fiber yield." E3S Web of Conferences 273 (2021): 07021. http://dx.doi.org/10.1051/e3sconf/202127307021.

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For the accuracy of the results, the study was carried out for three years. The average of each factory gins was chosen. Comparison of fiber properties processed in different cotton processing plants, with different models of fiber separators. Each sample of fiber grade 1 Namangan 77 raw cotton was obtained as a result of ginning with such factory gins 4DP-130.5 DP-130, 3HDD and Lummus gins in Namangan region. The Fiber properties of all samples were measured with the Advanced HVI Fiber Information System, to determine the yield of short fibers. The main purpose of the study is to determine wh

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Armijo, Carlos B., Derek P. Whitelock, Paul A. Funk, and Vikki B. Martin. "How Current Cotton Ginning Practices Affect Fiber Length Uniformity Index." Journal of Cotton Science 23, no. 1 (2019): 66–77. http://dx.doi.org/10.56454/bees5030.

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There is a need to develop cotton ginning methods that better preserve length uniformity, a fiber characteristic that is critical with newer, more efficient air-jet spinning technology. This report summarizes results of harvesting and ginning studies within the past fifteen years that included High Volume Instrument (HVI) fiber length uniformity index (uniformity). The studies concluded that cultivar was an important determining factor and some production practices, such as early defoliation and stripper harvesting, could also reduce uniformity. Uniformity was not adversely affected by seed co

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