Bottle Binder Nikki Akraboff Chris Becker Chris Desrochers Batya - - PowerPoint PPT Presentation

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Nov 20, 2022 324 likes •404 views

R e d Bottle Binder Nikki Akraboff Chris Becker Chris Desrochers Batya Fellman Katie Matlack Keith Molina Ilan Moyer Matt Robertson Alex St. Claire Problem and Customer n villages in Ecuador Need for

SLIDE 1

Bottle Binder

Nikki Akraboff • Chris Becker • Chris Desrochers • Batya Fellman • Katie Matlack • Keith Molina • Ilan Moyer

Matt Robertson • Alex St. Claire

R e d

SLIDE 2

Problem and Customer

Prof. David Saiia of Ithaca

used as roofing material.

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n

Need for alternative roofing to thatch for villages in Ecuador Need for alternative roofing to thatch for villages in Ecuador

SLIDE 3

Customer Need Product Attribute Engineering Spec

plastic strips strips (min/m2)‏ production)‏ meter of thatch meter of thatch Cost to Bind per m2 ($/ m2)‏ m2)‏ customer requirement)‏ rain ~0% in light rain from interior (Watts/m2)‏ <unknown> Durability to withstand strong winds (~25m/s) strong winds (~25m/s) 2…Other failure modes

SLIDE 4

Design

by iron

p

Binding method

n Pointed tip forms bond

at rim of holes

p

Mock-ups to test automation of hole binding Mock-ups to test automation of hole binding

SLIDE 5

Is Heating the Best Option?

p Need localized heat ~200°C n Using soldering iron: 25 Joules/hole

à ~$.01/m2

n Heat loss due to fins in iron mock-up p Alternatives to heat n Sewing n Other mechanical

fasteners (e.g. staples)‏

SLIDE 6

Other Unresolved Issues

n Need to test shear strength

Need to test shear strength

p p Thatch Specific Issues n Must not trap heat inside house n Must not be permeable to rain

SLIDE 7

Conclusion

p p We need to explore other options for joining

plastic strips. plastic strips.