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Update on the Impact of Modern Gin Stands on Fiber Quality

Michael D. Buser


 
ABSTRACT

The purpose of this study was to determine the fiber length reductions, short fiber content, fiber neps, and cottonseed damage associated with modern gin stands. This two year study focused on five different gin stands of differing makes and models. The ginning rates of two of the super-high capacity gin stands were approximately 30% below the manufacturers recommended rates, so the achievable rates were used for these gin stands. The average seed cotton moisture content prior to ginning was between 5.5% and 6.7%. Generally, gin stand D (high capacity) produced fewer neps than the super-high capacity gin stands. Fiber length was typically longer in the high capacity gin stands as compared to the super-high capacity stands. There was characteristically less short fiber content in the cotton ginned in the high capacity gin stands as compared to the super-high capacity gin stands. Gin stand D routinely produced fiber with less trash in the lint than the other gin stands. It appears that the cottonseed exited the seed roll much more quickly in gin stand D, which had a high residual linters content and low seed damage, as compared to gin stand E (super-high capacity), which had low residual linters and high seed damage. Further studies will be conducted to narrow these results to specific or specific combinations of saw-type gin stand characteristics.



Reprinted from Proceedings of the 2000 Beltwide Cotton Conferences pp. 1585 - 1593
©National Cotton Council, Memphis TN

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Document last modified Saturday, Jun 17 2000