1. NEIL MUNROE, GIFF MEZEY, TIM JAFFE, IAN BUBB Improved Velocity Measurement Device

2. Table of Contents 1. Description of the Design Task 2. Design Process 3. Design Assessment 4. Prototype/Model 5. Engineering Analysis 6. Summary and Conclusions

3. Problem Statement The nominal speed of the rollers may not be accurate enough. For maximum control the actual speed of the paper must be known. Design Task

4. Mission Statement Create a device that can measure the actual velocity of the paper in the printer  Minimize cost  Maximize sustainability

5. Design Task Customer Needs Assessment Interview of iGen4 consultant Highest possible quality of picture Consistent quality High speed printing

6. Design Task Design Specifications  Measurement of actual speed of the paper  Detection of an 8.5” x 11” sheet of paper  Moving at a velocity of 250 to 750 mm/s  Measure within a tolerance of.25%  System cannot impact speed of the sheet  Minimize cost

7. Design Process Concept Generation  Velocity measurement Devices  Lever  Wheel  Laser

8. Design Process Lever Velocity Measurement Device

9. Design Process Wheel Velocity Measurement Device

10. Design Process Laser Velocity Measurement Device Δx V=Δx/Δt

11. Design Process Screening Matrix LasersWheelsLevers Cost-++ Ease of Production 0++ Accuracy+-- Sustainability+00 Total:111

12. Design Process WeightLasersWheelLevers Cost14%145 Ease of Production 7%354 Accuracy70%422 Sustainabil ity 9%433 Total:100%3.512.582.65 Weighted Matrix

13. Design Process Best Design: Laser Velocity Measurement Device  Accurate  Does not affect paper speed  Cost effective  Meets all requirements  Falls within constraints

14. Prototype CAD rendering

15. Prototype  CAD Animation

16. Engineering Analysis Cost:  Varies with number of sensors  Cost estimates: $1000-3000 plus installation  Cost varies with size and accuracy  All accuracy within.2% Ease of use and installation Reliability Sustainability

17. Summary and Conclusion Through detailed research, we concluded the laser velocity system was the most cost effective method that fell within the constraints.

18. Questions?