Bean Thresher for Central Americasoybeaninnovationlab.illinois.edu/files/FinalPresentation_1.pdf ·...
Transcript of Bean Thresher for Central Americasoybeaninnovationlab.illinois.edu/files/FinalPresentation_1.pdf ·...
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Bean Thresher for Central
America
Zach Albright Ben Ambrose
Erika Crosby Khoa Nguyen
Advisor: Dr. Luis Flores
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Introductions Zach Albright
Ben Ambrose [email protected]
Erika Crosby [email protected]
Khoa Nguyen [email protected]
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Project Background Bean thresher for small-scale Central
American farmers Current process involves large amounts of
manual labor Mechanical threshers have thus far failed Must create a device that can be
manufactured and maintained in poor Central American countries
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Target Country: Guatemala Cultural Influences
Spanish colonial rule, Mayans, indigenous peoples
Average Income $4, 900 annually for
each family Agriculture
75% export earnings, 50% of labor force
Coffee, sugar, beans, bananas, cotton, tobacco and rubber trees
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Guatemala Adventure
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Video: Male Threshers
http://www.youtube.com/watch?v=MtiNSzf2xC4&feature=youtu.be
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Video: Female Threshers
http://www.youtube.com/watch?v=bw4ce1s3xLE&feature=youtu.be
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Problem Statement •Need for more efficient bean threshing process •Current process involves using a wooden rod to force the beans from the dried pods •Future process will involve a mechanical device to minimize work and time required
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Primary Resources Patent Search Tillers International Dr. Luis Flores Julio and Fernando Evan Wright
Julio Cesar Dr. Fernando Aldana
Dr. Luis Flores
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Design Parameters
Must meet the top 5 design parameters: Performance Maintenance Safety Quantity Weight
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Concept Generation
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Top 3 Concept Designs • Chosen based on the decision
matrix • These designs scored best in
fulfilling the top 5 design parameters
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Final Concept Choice • Auger Mechanism Design
• Evolution of Concept • Bicycle Driving Force
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Final Design Plant Input
Bean Output
Power Input
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Implementation in Central America Write detailed fabrication process and
operations guide. Including detailed illustrations
Coordinate with Julio and Fernando as the native implementers to persuade the local people to use the bean thresher.
Request status updates at 3 month intervals to ensure that the threshers are being used properly and maintained.
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Fabrication Process
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Prototype Fabrication Order auger from Lundell Plastics. Modify hexagonal shaft to allow for
bearing attachment. Weld angle iron frame together. Bend expanded metal grater into a
halved cylinder to fit the auger. Assemble device with frame, auger,
bolted steel end plates and expanded metal grater.
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Future Plans Complete
prototype by Design Day.
Complete poster and report.
Connect with Fernando and Julio to set up the implementation plan.
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