Ginning was traditionally done by hand (Fig.3.7). Fig. Once this material gets ground up, it can resemble fibers and is difficult to separate from the cotton. seed cotton cleaning units reduced trash but did not appear to affect fiber properties to any significant extent (Sanderson, 1985a). Owing to the several rich and exceptional properties it has (including comfort and drape), cotton is also known as the King of Fibers and will When cotton is ginned wet, the seed tends to chip and produce seedcoat fragments and yield some immature fibers which accompany lint to the press. We previously discussed harvesting cotton… The keys are to keep it from getting in to the seed-cotton or remove it before ginning. From these bolls, cotton is usually picked by hand. In each gin process, there is requirement of optimum fibre moisture content. Fibres are then separated from the seeds by combing. Ginning is the mechanical process for separating cotton into its constituents namely lint (Cotton Fibre) and Cotton Seed. The actual ginning process, that is, the separation of lint from seed, occurs at the gin stand, and hence, the gin stand is the heart of the ginning process. The principle function of a cotton gin is to convert farmers’ harvests into salable commodities – fiber and seed – by separating the cotton from the seed to ensure … In 1994, 78 percent of the U.S. crop was handled in modules. The moisture content of seed cotton is a significant attribute in the ginning process. Modules can also be transported longer distances, allowing gins to increase productivity. Grass and bark enters the system during the harvesting and field storage process. Cotton Ginning. 158 gin stand) at Scarmardo Gin Co. (Caldwell, Texas). This detracts from the spinning value due to increased neps and manufacturing waste. This process is called ginning of cotton. 3.7 Ginning of cotton seen a cotton field that is ready for picking? The Journey of Cotton: Ginning This post is part of our blog series entitled “The Journey of Cotton.” This series will focus on the seven unique steps that it takes to process cotton, starting with the planting of the crop to the point it becomes a specific consumer product. The capacity of the gin and the quality and processing process of ginning, raw cotton is conveyed through series Mehran University Research Journal of Engineering & Technology , Volume 34, No. being chipped in the ginning process also cause yarn and fabric imperfec-tions during the manufacturing process. Five treatments representing various processing stages of the cotton were used in the study: Treatment 1: Hand harvested and hand ginned (HH). of cotton ginning technology throughout the world, provides a basic description of the main technologies used and their recent developments, and gives an overview of the ginning process by country. 4, October , 2015 [ISSN 0254-7821] 462 Cotton from time immemorial has held the highest place amongst the family of fibers-natural or man-made. The cotton went through a drying process to remove moisture before seed-cotton cleaning. A cotton gin – meaning "cotton engine" – is a machine that quickly and easily separates cotton fibers from their seeds, enabling much greater productivity than manual cotton separation. It examines and compares the performance of roller and saw technologies in terms of investment and processing costs, operational Harvested cotton is called seed cotton because the fibers are still attached to the seed. It looks like a field covered with snow (Fig.3.6). moisture or humidity helps to process the cotton. It has a direct impact on fibre quality, cleanability and consistency which in turn reflects in quality of yarn and fabrics produced from cotton. Samples of seed cotton were hand harvested at stores seed cotton in the field after harvesting until the gin is ready to process it. The Seed Cotton that comes from the field has to be subjected to various treatments in the ginning factories depending upon its inherent
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