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Title: Commercial cotton variety spinning study HVI and AFIS spinning relationship.

Author
item Foulk, Jonn
item Gamble, Gary
item SENTER, HERMAN - CLEMSON UNIV.
item Meredith Jr, William

Submitted to: National Cotton Council Beltwide Cotton Conference
Publication Type: Proceedings
Publication Acceptance Date: 1/18/2007
Publication Date: 10/26/2007
Citation: Foulk, J.A., Gamble, G.R., Senter, H., Meredith Jr, W.R. 2007. Commercial cotton variety spinning study HVI and AFIS spinning relationship. National Cotton Council Beltwide Cotton Conference, January 9-12, 2007, New Orleans, Louisiana. 2007. p.1808-1814. http://www.cotton.org/beltwide

Interpretive Summary: The United States Department of Agriculture (USDA) American Marketing Service (AMS) uses the High Volume Instrument (HVI™) to class all bales. Industry uses these results as well as fiber quality measurements obtained from the Advanced Fiber Information System (AFIS). The Cotton Quality Research Station (CQRS) of the USDA-ARS has completed a study of the relationship of cotton fiber properties to yarn quality. Cotton was grown and harvested from three of the largest producing growing regions (Georgia, Mississippi, and Texas) and ginned. This study evaluated HVI and AFIS fiber qualities and their impact on yarn using modern, high speed processing equipment. Cotton was spun into yarn by three spinning methods. This manuscript explores the common fiber quality measurements obtained from the HVI and AFIS and how they predict yarn quality and processing efficiencies.

Technical Abstract: In 2005, there were 22,638,247 upland cotton bales classed by the United States Department of Agriculture (USDA) American Marketing Service (AMS). USDA-AMS uses the High Volume Instrument (HVI™) to class all bales for fiber length, length uniformity, micronaire, strength, color (Rd and +b), trash, and leaf grade. Industry uses these results as well as fiber quality measurements obtained from a slower piece of testing equipment called the Advanced Fiber Information System (AFIS). The Cotton Quality Research Station (CQRS) of the USDA-ARS, located in Clemson, SC, has completed a comprehensive study of the relationship of cotton fiber properties to the quality of spun yarn. Cotton was grown and harvested from three of the largest producing growing regions (Georgia, Mississippi, and Texas) and subsequently ginned at their respective locations. This study evaluated HVI and AFIS fiber qualities and their impact on yarn using modern, high speed processing equipment. Cotton was spun into yarn at the CQRS laboratory by each of three spinning methods (ring, vortex and rotor spinning) with characteristics of the yarn and spinning measured. A previous manuscript detailed descriptive statistics and distributions for the fiber and yarn. This manuscript explores the common fiber quality measurements obtained from the HVI and AFIS and how well they help predict yarn quality and processing efficiencies.