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Orange Harvester. Red B Mockup Presentation October 20, 2005. U.S. Orange Market. Fresh: 2.5 Million Tons (20%) Processed: 10 Million Tons (80%). Baseline Harvesting. Hand picked Carry bag Fiberglass ladders Dump into 1,000 pound box Fork lift and truck collect box.

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Presentation Transcript
orange harvester

Orange Harvester

Red B Mockup Presentation

October 20, 2005

u s orange market
U.S. Orange Market

Fresh: 2.5 Million Tons (20%)

Processed: 10 Million Tons (80%)

baseline harvesting
Baseline Harvesting
  • Hand picked
  • Carry bag
  • Fiberglass ladders
  • Dump into 1,000 pound box
  • Fork lift and truck collect box
grove layout
Grove Layout

15’

Hedgerow

8’

product proposition
Product Proposition

To assist hand pickers & be faster, more efficient and safer

key issues
Key Issues
  • Platform and Chute Design
  • System/Process Design
  • Harvesting Rate Improvements
our mockup
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
chute test
Chute Test

Duct

Canvas

Foil

canvas duct chute
Canvas/Duct Chute

Foil: Broke apart

Canvas: Not rigid

Duct: Too fast

Solution:

Canvas in Duct

system process
System Process
  • Connect platforms into a short train
  • 1 Platform ~ 5 trees
  • “Quick change” operated by pickers
  • Reload with empty boxes
slide19

Full Field Box on Cart

Wheels

Pivoting Stage

Rollers

Sliding Ramp

slide20

Elevated Container

Wheels

Empty Stationary Field Box

Wheels

Trap Doors on both sides

Open Trap Door

cost estimation
Cost Estimation
  • Decrease tree height 6 ft = 10% speed improvement
  • $900 savings/worker/year
  • Cost/platform < $3500 (pay off in 2 years)
next steps
Next Steps
  • Test mechanism for quick change
  • Increased chute compliance
  • Pick materials
  • Wheel size and alignment
  • Linkage details
  • Testing
acknowledgments
Acknowledgments

Arizona State University

Julian W. Sauls, Ph. D.

Donald L. Peterson