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Orange Harvester

In this presentation, we discuss an innovative mockup developed to improve orange harvesting efficiency. With a focus on baseline harvesting techniques, our design utilizes hand-picking methods and ergonomic tools to assist workers, ensuring faster, safer operation. Key issues addressed include platform and chute design, system processes, and harvesting rate improvements. We highlight our findings from chute tests, cost estimations for workers, and proposed next steps for optimizing the harvesting process while reducing costs. Let’s explore how our insights can benefit the orange industry.

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Orange Harvester

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Presentation Transcript

  1. Orange Harvester Red B Mockup Presentation October 20, 2005

  2. U.S. Orange Market Fresh: 2.5 Million Tons (20%) Processed: 10 Million Tons (80%)

  3. Baseline Harvesting • Hand picked • Carry bag • Fiberglass ladders • Dump into 1,000 pound box • Fork lift and truck collect box

  4. Grove Layout 15’ Hedgerow 8’

  5. Product Proposition To assist hand pickers & be faster, more efficient and safer

  6. Key Issues • Platform and Chute Design • System/Process Design • Harvesting Rate Improvements

  7. Technical Analysis

  8. Platform Design

  9. Our Mockup • Why did we build it? • Spatial understanding of the product • Key issues: design and operation • What did we learn? • Scale and human interaction • Chute tests

  10. Mockup

  11. Chute Test Duct Canvas Foil

  12. Canvas/Duct Chute Foil: Broke apart Canvas: Not rigid Duct: Too fast Solution: Canvas in Duct

  13. System Process • Connect platforms into a short train • 1 Platform ~ 5 trees • “Quick change” operated by pickers • Reload with empty boxes

  14. Full Field Box on Cart Wheels Pivoting Stage Rollers Sliding Ramp

  15. Elevated Container Wheels Empty Stationary Field Box Wheels Trap Doors on both sides Open Trap Door

  16. Rate Improvement

  17. Cost Estimation • Decrease tree height 6 ft = 10% speed improvement • $900 savings/worker/year • Cost/platform < $3500 (pay off in 2 years)

  18. Next Steps • Test mechanism for quick change • Increased chute compliance • Pick materials • Wheel size and alignment • Linkage details • Testing

  19. Acknowledgments Arizona State University Julian W. Sauls, Ph. D. Donald L. Peterson

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