Design of Cotton Spinning Machine for Middle Textile Industries
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Date
2014-10
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Addis Ababa University
Abstract
Micro and Small Scale Enterprises (MSE’s) are widely implementing and developing in all
sectors in Ethiopia. When we see one of the major sectors in which MSE’s are involved is in
textile sector and when we observe the commonly used cotton spinning machines used by
weavers organized in MSE’s and in home to home is made of wood. It only spines on one takeup
shaft from a supply of cotton and consumes large amount of man-work hours to get so many
spun yarn. But, cotton spinning is the main operation in the production of clothes by micro and
small scale owners. Therefore, it is important to improve the spinning system that can be
operated by small and middle scale industry level. Understanding this reality, this thesis focuses
on designing cotton spinning machine. In this thesis, theoretical background and development of
spinning is discussed; different characteristics of yarn are studied and spinning systems with
their economic ranges are explained. On the product planning stage, different mechanisms and
components are compared and selected properly. Based on the selection a spinning machine that
can spin cotton in to yarn similar to hand spun yarn is designed. The machine will be operated by
motor; spools are feed to the machine manually.
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Mechanical Design Stream