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Wrap N’ Roll Automatic Silverware Roller Team There is No Spoon Patrick Goldrick Joel McKoy George Niou Ryan Patterson Lori Reinert.

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Presentation on theme: "Wrap N’ Roll Automatic Silverware Roller Team There is No Spoon Patrick Goldrick Joel McKoy George Niou Ryan Patterson Lori Reinert."— Presentation transcript:

1 Wrap N’ Roll Automatic Silverware Roller Team There is No Spoon Patrick Goldrick Joel McKoy George Niou Ryan Patterson Lori Reinert

2 Agenda Review of Problem Statement Proposed Solution Subsystems Engineering Analysis Prototype Review and Demonstration Conclusion

3 Problem Statement Problem statement: Restaurants spend a great deal of time and money to have workers complete the tedious process of manually rolling silverware into a napkin  No product available to automate process Proposed solution: Develop a device that automatically groups one napkin, fork, and knife without use of an employee.

4 Proposed Solution: “Wrap N’ Roll” Folding Arm Subsystem Napkin Box Subsystem Roller & Track Subsystem Napkin Grabber Subsystem Utensil Container Subsystem

5 Napkin Platform Subsystem Key features  Elevated corner supported by spring  Friction on back surface  Integrated turn-around switch

6 Roller & Track Subsystem Key features  5’ steel track  Sushi roller  Controlled by brushless DC motor  Stainless steel rods to support sushi roller when extended

7 Roller & Track (cont’d)

8 Napkin Grabber Subsystem Key features  Pivoting arms  Rubber grippers  Spring-activated locking mechanism Mounted to sushi roller platform  No additional track or activation device needed

9 Napkin Grabber (cont’d) Napkin grabber reset by acrylic piece at opposite end

10 Utensil Container Subsystem Key features  Hinged in front to add utensils  Can tilt forward when loading  Ejection mechanism: Prototype  Contoured to fit shape of silverware  Knives must have relatively flat handle

11 Utensil Container Subsystem (cont’d)

12 Utensil Release

13 Napkin Folder Subsystem Key features  Metal bars pivot on an angle  Triggered by trolley

14 Napkin Folder Subsystem (cont’d)

15 Engineering Analysis T = 1.68 N-m = 14.9 lb-in  T = F (66.2 N) * r ( m)  15 rad/s = RPM   v (0.38 m/s) / r (.0254 m) P = 25.2 W  P = T (1.68 N-m) *  (15 rad/s) Selected motor: Brushless DC Motor

16 Prototype Video Live demonstration

17 Conclusions Design capable of rolling one fork and one knife into a napkin Main subsystems include  Napkin platform  Trolley and track  Napkin grabber  Utensil containers  Napkin folders Main difference between prototype and design was type of material


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