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Case study of Jiangxi Kaisong machine

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The opening of fiber materials has been done by hand. For example, for wool, the tufts are torn and shaken by hand. Then beat it with a stick or use a bow string to loosen it. For seed cotton, the cotton seed is separated from the fiber by hand, and then the fiber is loosened by bowstring. Until the advent of machine spinning in the 18th century, it was necessary to have more raw material reserves and to reduce the transport volume of raw materials. Therefore, loose fiber raw materials were bundled into packages. Therefore, it was necessary to seek mechanical methods for raw material opening and impurity removal. Since then, there have been various types of opening and cleaning machinery.

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