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Analysis of Power Roll Gin Stand Performance: A Five-Year Summary (2002-2007)

This document summarizes the performance of Power Roll Gin Stands over five years, detailing cotton ginning efficiency, production trends, and the impact of mechanical upgrades. It compares bale production rates from dry and wet harvests and evaluates factors such as the effect of flap materials and RPM. The report highlights significant statistical data from gin seasons (2001-2003), demonstrating an increase in ginning capacity and labor costs per bale, while offering conclusions and insights that inform ongoing studies in ginning technology.

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Analysis of Power Roll Gin Stand Performance: A Five-Year Summary (2002-2007)

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  1. Power Roll 2007:A Five Year Summary James W. Askew, Servico, Inc. G. A. Holt, USDA-ARS

  2. Power Roll Gin Stand - 2003

  3. PRT Side View

  4. Turnout Results – CDE141 vs. PRTTest Stand - 2002

  5. PRT Seed Sample

  6. Conventional vs. PRT seed

  7. Conclusions (2004) • 37-39 bales/hr common versus 36-38 bales/hr historically (dry harvest cotton). This is a subjective estimate.

  8. Conclusions (2004) • 2003 Gin Season (dry harvest) – 40 of 81 days (49.4%) 700+ bales ginned. Six days 800+. • 2002 Gin Season (wet harvest) – 22 of 65 days (33.8%, PRT testing time excluded) 700+ bales ginned. Zero days 800+. • 2001 Gin Season (dry harvest) – 28 of 101 days (27.7%) 700+ bales ginned. Four days 800+.

  9. 30 HP Variable Frequency Drive

  10. Power Roll with Solid Shaftand Bolt-in Flaps

  11. Power Roll Drive Clutch

  12. Results of MechanicalUpgrades

  13. PRT Seed Sample – 2007 Crop

  14. Gin Bales/day Production Trend1998-2002

  15. Gin Bales/day Production Trend2002-2007

  16. Gin Bales/day Production Trend1998-2007

  17. Gin Bales/day Seasonal Averages2002-2007

  18. Gin Labor Costs per Bale Trend1998-2007

  19. Continuing Studies • Power roll flap material effect analyses • Power roll RPM effect analyses

  20. 2006 – SFC(w) (flap materials)

  21. 2007 – Total VMD (flap materials)

  22. 2006 and 2007 CombinedUniformity (flap materials)

  23. 2007 – Hi VMD (rpm)

  24. Power Roll Gin Stands

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