Team 04

Team

Maddie Collins (ME) Daniel Dick (ME) Daniel Wharton (ME) Kyle Mailhot (ME)

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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ContentsI. Introduction

II. Design Description

III. Prototype Testing

IV. Final Design

V. Business Analysis

VI. Conclusion

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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IntroductionProblem » High number of annual shop accidents

Key Design Considerations » Size of Design

» Stopping Time and Depth of Cut

» Electrical and Mechanical Components

» Safety and Test Bed Development

Design Norms » Trust

» Integrity

» Transparency

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Circuit System – Firing Circuit

Capacitor

Clip for Wire

Manual Switch

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Circuit System – Sensing Circuit

Potentiometer

Transistor

Comparitor

Op Amp

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Circuit System – Sensing Circuit

Potentiometer

Transistor

Comparitor

Op Amp

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Test BedRev 01

Rev 02

Rev 03

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Mechanical System

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Prototype Testing

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Prototype Testing

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Prototype Testing

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Prototype Testing

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Prototype Testing

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Final Design Description

Inside Brake Housing

Outside Brake Housing

Aluminum Brake

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Final Design Description

Housing and Brake

Circuit Systems

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Final Design Results

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Final Design Results

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Final Design Results

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Results » Mechanical Stopping

Time of 0.003 seconds

» Depth of 3 mm Cut in Hot Dog

» Downward force of 15 lb

Manufacturability Retrofit Miter Saws or Integrate Design

Areas to Improve… » Assembly and Production

» Sensitivity of Circuit

» Implement Damper System

» Robust Testing

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Market Analysis Who would buy… » High End Miter Saws

» Business or Learning Applications

Why would they… » Average amputated index finger costs $24,474*

*https://projects.propublica.org/graphics/workers-compensation-benefits-by-limb

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Cost to ProduceAssumptions

» Units are made with our design

» $15/hr labor wage

» 10% profit margin

» 35% tax rate

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Item Cost

Saw Cost $ 100

Parts Cost $ 47

Shipping/Loss $ 18

Labor Cost $ 75

Benefits $ 75

Factory $ 125

Company Costs $ 176

Profit $ 71

Taxes $ 25

Selling Price $ 712

Conclusion Proof of concept was a success» Displayed reliability in mechanical system

» Overcame challenge of the electrical components

Special Thanks to: » Professor VanAntwerp – team advisor

» Professor Michmerhuizen – circuit design

» Chuck Holwerda – electronics assistance

» Phil Jasperse – shop supervision

» Bob DeKraker – parts ordering

» Calvin AV Department – video equipment

» Calvin Engineering Department

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

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Conclusion Proof of concept was a success» Displayed reliability in mechanical system

» Overcame challenge of the electrical components

Special Thanks to: » Professor VanAntwerp – team advisor

» Professor Michmerhuizen – circuit design

» Chuck Holwerda – electronics assistance

» Phil Jasperse – shop supervision

» Bob DeKraker – parts ordering

» AV Deparment – video equipment

» Calvin Engineering Department

Introduction ○ Design Description ○ Prototype Testing ○ Final Design ○ Business Analysis ○ Conclusion

19 of 19Questions?