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The eBrush

The eBrush. Elana Cheng Avery Horn Jasmin Khoo Alex Kun. Outline. General plan Survey Dissection Data Concepts. Project Management. Final hierarchal customer needs chart Revised problem statement.

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The eBrush

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  1. The eBrush Elana Cheng Avery Horn Jasmin Khoo Alex Kun

  2. Outline • General plan • Survey • Dissection • Data • Concepts

  3. Project Management

  4. Final hierarchal customer needs chartRevised problem statement The purpose of this project is to redesign an electric toothbrush that will better serve the customer. After research and data collecting it has been determined that the toothbrush’s noise is too loud and it is a bulky figure. The purpose of this project is to redesign a mechanical toothbrush to decrease the vibration sounds and the energy required to run. To decrease the size of the base of the toothbrush to decrease cost and materials needed for mass reproduction. The team has decided to take a mechanical engineering discipline to improve on these issues.

  5. Summary of external search activities • Patents • Concepts • Benchmarking • Product archeology

  6. Power generation concepts

  7. Energy mechanism for brush head Concepts

  8. Brush Head Concepts

  9. Human factors body design Concepts

  10. Morphological chart

  11. Criteria for concept selection • Customer needs • Easy to hold • Interchangeable heads • Longer neck • Easy to clean • Water proofing • More power efficiency • Maintenance

  12. Power Generation Iteration 1 & 2

  13. Energy Mechanism for Brush Head Iteration 1&2

  14. Brush Head Design Iteration 1 & 2

  15. Human Factors Body Design Iteration 1& 2

  16. Final Design • 2 AA batteries • Color ID • Dual spin head • Form to hand grip • On/off button • Single motor

  17. CAD Drawing

  18. How does it work? • Motor spins moving two pieces separately. • Moves two different parts of the brush head • Two rotating heads maximize cleaning ability

  19. Final Design VS Customer Needs • 2AA batteries • Different plastic • Under $20 • On/off button& Color ID • Rechargeable dock • Green • Price • Ease of use

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